WO2024093750A1 - Procédé d'envoi d'informations, dispositif, appareil et support de stockage - Google Patents

Procédé d'envoi d'informations, dispositif, appareil et support de stockage Download PDF

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Publication number
WO2024093750A1
WO2024093750A1 PCT/CN2023/126435 CN2023126435W WO2024093750A1 WO 2024093750 A1 WO2024093750 A1 WO 2024093750A1 CN 2023126435 W CN2023126435 W CN 2023126435W WO 2024093750 A1 WO2024093750 A1 WO 2024093750A1
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WO
WIPO (PCT)
Prior art keywords
lbt
lbt failure
switching
met
terminal
Prior art date
Application number
PCT/CN2023/126435
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English (en)
Chinese (zh)
Inventor
苗金华
时洁
彦楠
Original Assignee
大唐移动通信设备有限公司
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Publication of WO2024093750A1 publication Critical patent/WO2024093750A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/305—Handover due to radio link failure

Definitions

  • the present disclosure relates to the field of wireless communication technology, and in particular to an information sending method, device, apparatus and storage medium.
  • the terminal also known as User Equipment, UE
  • LBT Listen Before Talk
  • the terminal needs to monitor the channel through the Listen Before Talk (LBT) channel access mechanism before transmitting data, evaluate the channel, and transmit data only when the channel is idle.
  • LBT Listen Before Talk
  • the physical layer is performing the LBT process, if it finds that the physical layer channel is occupied, it will indicate that the uplink LBT has failed, and the Medium Access Control (MAC) layer will stop the uplink (UL) transmission.
  • MAC Medium Access Control
  • the handover may succeed and a successful handover report (SHR) may be sent to the network device (e.g., base station); or the handover may fail and a radio link failure report (RLF report) may be sent to the network device.
  • SHR successful handover report
  • RLF report radio link failure report
  • the network device cannot understand the impact of LBT failure on the handover based on these reports, and thus cannot make targeted optimizations.
  • the embodiments of the present disclosure provide an information sending method, device, apparatus and storage medium.
  • an embodiment of the present disclosure provides an information sending method, applied to a terminal, comprising:
  • a successful switching report SHR or a wireless link failure report RLF report is sent to the network device, wherein the SHR or the RLF report includes the listen-before-talk (LBT) failure information.
  • LBT listen-before-talk
  • the LBT failure information includes one or more of the following:
  • An LBT failure indication wherein the LBT failure indication is used to indicate that an LBT failure event occurred before a switching command is received or before a trigger condition for conditional switching is satisfied, and/or that an LBT failure event occurred during the switching process;
  • the LBT failure information contained in the RLF report includes bandwidth fragment BWP information where continuous LBT failures occur.
  • sending a successful handover report SHR or a radio link failure report RLF report to the network device includes:
  • the first trigger condition includes one or more of the following:
  • the ratio of the number of uplink messages with LBT failure to the total number of uplink messages is greater than or equal to the first threshold
  • the ratio of the number of uplink transmissions with LBT failure to the total number of uplink transmissions is greater than or equal to the second threshold
  • the LBT failure timer When a switching command is received or the triggering condition for conditional switching is determined to be met, the LBT failure timer has been started;
  • the running time of the LBT failure timer is greater than or equal to a third threshold
  • a ratio between the running time of the LBT failure timer and the total time of the LBT failure timer is greater than or equal to a fourth threshold
  • the value of the LBT counter is greater than or equal to 1;
  • the value of the LBT counter is greater than or equal to a fifth threshold
  • a ratio between the value of the LBT counter and the maximum number of LBT failures is greater than or equal to a sixth threshold
  • the ratio of the running time of the LBT failure timer to the total time of timer T304 is greater than or equal to the seventh threshold.
  • the method further comprises:
  • an embodiment of the present disclosure further provides an information sending method, which is applied to a network device, comprising:
  • the LBT failure information includes one or more of the following:
  • the LBT failure indication is used to indicate that an LBT failure event occurred before the terminal received a switching command or before a triggering condition for conditional switching was met, and/or that an LBT failure event occurred during the switching process;
  • the terminal When the terminal receives a switching command or determines that a trigger condition for conditional switching is met, the ratio between the running time of the LBT failure timer and the total time of the LBT failure timer;
  • the LBT failure information contained in the RLF report includes bandwidth fragment BWP information where continuous LBT failures occur at the terminal.
  • the method further comprises:
  • the first trigger condition includes one or more of the following:
  • the ratio of the number of uplink messages in which LBT failure occurs in the terminal to the total number of uplink messages is greater than or equal to the first threshold
  • the ratio of the number of uplink transmissions in which LBT failure occurs at the terminal to the total number of uplink transmissions is greater than or equal to the second threshold
  • the LBT failure timer When the terminal receives a switching command or determines that the triggering conditions for conditional switching are met, the LBT failure timer has been started;
  • the running time of the LBT failure timer is greater than or equal to the third threshold
  • the ratio between the running time of the LBT failure timer and the total time of the LBT failure timer is greater than or equal to the fourth threshold
  • the LBT counter The value of is greater than or equal to 1;
  • the value of the LBT counter is greater than or equal to the fifth threshold
  • the ratio between the value of the LBT counter and the maximum number of LBT failures is greater than or equal to the sixth threshold
  • the ratio of the running time of the LBT failure timer of the terminal to the total time of timer T304 is greater than or equal to the seventh threshold.
  • an embodiment of the present disclosure further provides a terminal, including a memory, a transceiver, and a processor:
  • a memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations:
  • a successful switching report SHR or a wireless link failure report RLF report is sent to the network device, wherein the SHR or the RLF report includes the listen-before-talk (LBT) failure information.
  • LBT listen-before-talk
  • the LBT failure information includes one or more of the following:
  • An LBT failure indication wherein the LBT failure indication is used to indicate that an LBT failure event occurred before a switching command is received or before a trigger condition for conditional switching is satisfied, and/or that an LBT failure event occurred during the switching process;
  • the LBT failure information contained in the RLF report includes bandwidth fragment BWP information where continuous LBT failures occur.
  • sending a successful handover report SHR or a radio link failure report RLF report to the network device includes:
  • the first trigger condition includes one or more of the following:
  • the ratio of the number of uplink messages with LBT failure to the total number of uplink messages is greater than or equal to the first threshold
  • the ratio of the number of uplink transmissions with LBT failure to the total number of uplink transmissions is greater than or equal to the second threshold
  • the LBT failure timer When a switching command is received or the triggering condition for conditional switching is determined to be met, the LBT failure timer has been started;
  • the running time of the LBT failure timer is greater than or equal to a third threshold
  • a ratio between the running time of the LBT failure timer and the total time of the LBT failure timer is greater than or equal to a fourth threshold
  • the value of the LBT counter is greater than or equal to 1;
  • the value of the LBT counter is greater than or equal to a fifth threshold
  • a ratio between the value of the LBT counter and the maximum number of LBT failures is greater than or equal to a sixth threshold
  • the ratio of the running time of the LBT failure timer to the total time of timer T304 is greater than or equal to the seventh threshold.
  • the operations further include:
  • an embodiment of the present disclosure further provides a network device, including a memory, a transceiver, and a processor:
  • a memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations:
  • the LBT failure information includes one or more of the following:
  • the LBT failure indication is used to indicate that an LBT failure event occurred before the terminal received a switching command or before a triggering condition for conditional switching was met, and/or that an LBT failure event occurred during the switching process;
  • the terminal When the terminal receives a switching command or determines that a trigger condition for conditional switching is met, the ratio between the running time of the LBT failure timer and the total time of the LBT failure timer;
  • the LBT failure information contained in the RLF report includes bandwidth fragment BWP information where continuous LBT failures occur at the terminal.
  • the operations further include:
  • the information or the RLF report configuration information includes a first trigger condition
  • the first trigger condition includes one or more of the following:
  • the ratio of the number of uplink messages in which LBT failure occurs in the terminal to the total number of uplink messages is greater than or equal to the first threshold
  • the ratio of the number of uplink transmissions in which LBT failure occurs at the terminal to the total number of uplink transmissions is greater than or equal to the second threshold
  • the LBT failure timer When the terminal receives a switching command or determines that the triggering conditions for conditional switching are met, the LBT failure timer has been started;
  • the running time of the LBT failure timer is greater than or equal to the third threshold
  • the ratio between the running time of the LBT failure timer and the total time of the LBT failure timer is greater than or equal to the fourth threshold
  • the value of the LBT counter is greater than or equal to 1;
  • the value of the LBT counter is greater than or equal to the fifth threshold
  • the ratio between the value of the LBT counter and the maximum number of LBT failures is greater than or equal to the sixth threshold
  • the ratio of the running time of the LBT failure timer of the terminal to the total time of timer T304 is greater than or equal to the seventh threshold.
  • the embodiments of the present disclosure further provide an information sending device, including:
  • the first sending unit is used to send a successful switching report SHR or a wireless link failure report RLF report to the network device, and the SHR or the RLF report contains the listen-before-talk LBT failure information.
  • an embodiment of the present disclosure further provides an information sending device, including:
  • a second receiving unit is used to receive a successful handover report SHR or a radio link failure report RLF report sent by the terminal, wherein the SHR or the RLF report includes listen-before-talk LBT failure information;
  • a parameter adjustment unit is used to adjust network configuration parameters based on the SHR or the RLF report.
  • an embodiment of the present disclosure further provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, wherein the computer program is used to enable a computer to execute the information sending method described in the first aspect as described above, or to execute the information sending method described in the second aspect as described above.
  • an embodiment of the present disclosure further provides a communication device, in which a computer program is stored, and the computer program is used to enable the communication device to execute the information sending method described in the first aspect as described above, or execute the information sending method described in the second aspect as described above.
  • an embodiment of the present disclosure further provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute the information sending method described in the first aspect as described above, or execute the information sending method described in the second aspect as described above.
  • the embodiments of the present disclosure further provide a chip product, in which a computer program is stored, and the computer program is used to enable the chip product to execute the information sending method described in the first aspect as described above, or to execute the information sending method described in the second aspect as described above.
  • the information sending method, device, apparatus and storage medium provided in the embodiments of the present disclosure send an SHR or RLF report to a network device through a terminal.
  • the SHR or the RLF report includes LBT failure information, so that the network device can understand the impact of LBT failure on terminal cell switching based on these reports, and further make targeted optimization of network configuration parameters.
  • FIG1 is a flow chart of a method for sending information provided by an embodiment of the present disclosure
  • FIG2 is a second flow chart of the information sending method provided by the embodiment of the present disclosure.
  • FIG3 is a schematic diagram of the structure of a terminal provided in an embodiment of the present disclosure.
  • FIG4 is a schematic diagram of the structure of a network device provided in an embodiment of the present disclosure.
  • FIG5 is a schematic diagram of a structure of an information sending device provided by an embodiment of the present disclosure.
  • FIG. 6 is a second schematic diagram of the structure of the information sending device provided in an embodiment of the present disclosure.
  • the term "and/or” describes the association relationship of associated objects, indicating that three relationships may exist.
  • a and/or B may represent three situations: A exists alone, A and B exist at the same time, and B exists alone.
  • the character "/" generally indicates that the associated objects before and after are in an "or” relationship.
  • plurality in the embodiments of the present disclosure refers to two or more than two, and other quantifiers are similar thereto.
  • LBT is a channel access mechanism that enables wireless LANs to effectively share the same spectrum resources. Because the availability of channels in unlicensed frequency bands cannot always be guaranteed, LBT requires monitoring the channel before transmitting data, performing idle channel assessment, and only transmitting data when the channel is guaranteed to be idle.
  • the physical layer channel may perform the LBT process. When the physical layer channel is occupied, the physical layer will indicate that the uplink LBT has failed and the MAC layer will stop uplink transmission.
  • SHR is defined in NR. SHR is reported when the switching is successful.
  • the terminal will respond according to different radio link failures (Radio Link Failure, RLF) Type, set different RLF reasons, and fill in the RLF report to report to the base station, for example: timer T310 timeout, cell handover failure, Radio Link Control (RLC) exceeds the maximum number of times, continuous LBT failure, etc.
  • RLF Radio Link Failure
  • RLC Radio Link Control
  • FIG. 1 is a flow chart of a method for sending information provided by an embodiment of the present disclosure. The method is applied to a terminal. As shown in FIG. 1 , the method includes the following steps:
  • Step 100 Send a successful switching report SHR or a radio link failure report RLF report to the network device.
  • the SHR or RLF report contains the listen-before-talk LBT failure information.
  • the disclosed embodiment provides an information sending method, and the terminal can send an SHR or RLF report containing LBT failure information to the network device.
  • the LBT failure information includes relevant information about the LBT failure that occurred before the terminal received the switching command or before the triggering conditions for conditional switching were met, and/or during the switching process, such as whether the terminal had an LBT failure during the switching process, the information on the message or number of transmissions of the LBT failure during the switching process, whether the terminal had an LBT failure before receiving the switching command or meeting the triggering conditions for conditional switching, and so on.
  • the network device can understand the specific circumstances of the LBT failure that occurred in the terminal before the cell switching and/or during the cell switching process.
  • the network device After receiving the successful switching report SHR or wireless link failure report RLF report sent by the terminal including the listen-before-talk LBT failure information, the network device can obtain the LBT failure information included in the SHR or RLF report, so as to adjust the network configuration parameters according to the specific circumstances of the LBT failure of the terminal before the cell switching and/or during the cell switching process.
  • the network configuration parameters may be switching related setting parameters, LBT related setting parameters, RLF related setting parameters, and the like.
  • the information sending method provided in the embodiment of the present disclosure sends an SHR or RLF report to a network device through a terminal.
  • the SHR or the RLF report includes LBT failure information, so that the network device can understand the impact of LBT failure on terminal cell switching based on these reports, and further make targeted optimization of network configuration parameters.
  • the LBT failure information may include one or more of the following:
  • LBT failure indication is used to indicate that an LBT failure event occurred before a switching command was received or before a trigger condition for conditional switching was met, and/or that an LBT failure event occurred during the switching process.
  • the terminal may include an LBT failure indication in the SHR or RLF report, and the LBT failure indication may be used to indicate that an LBT failure event occurred before the terminal received a switching command or before the triggering condition of the conditional switching was met, and/or during the switching process.
  • the LBT failure indication may be used to indicate that an LBT failure event occurred before the terminal received a switching command or before the triggering condition of the conditional switching was met; or the LBT failure indication may be used to indicate that an LBT failure event occurred during the switching process; or the LBT failure indication may be used to indicate that an LBT failure event occurred before the terminal received a switching command or before the triggering condition of the conditional switching was met, and during the switching process.
  • the network device can learn from the LBT failure indication carried in the report that an LBT failure event occurred in the terminal before receiving the switching command or satisfying the triggering conditions for conditional switching, and/or during the switching process, so that targeted optimization of the network configuration parameters can be made.
  • the terminal when the terminal receives a handover command or meets the triggering conditions for conditional handover, it sends a preamble code Preamble to the target cell, and then sends a handover completion message to the target cell when it receives a random access response (RAR).
  • RAR random access response
  • the terminal has two LBT failures when sending the Preamble, and successfully sends the Preamble for the third time; when sending the handover completion message, no LBT failure occurs.
  • the number of messages with LBT failure is 1 (i.e., Preamble)
  • the total number of uplink messages is 2 (i.e., Preamble and handover completion message)
  • the ratio of the number of messages with LBT failure to the total number of uplink messages is equal to 1/2, i.e., 50%.
  • the terminal can include this ratio in the SHR or RLF report and send it to the network device.
  • the terminal when the terminal receives a handover command or meets the triggering conditions of conditional handover, it sends a Preamble to the target cell, and then sends a handover completion message to the target cell after receiving an RAR. If the terminal fails to send the Preamble twice, and successfully sends the Preamble for the third time; when sending the handover completion message, no LBT failure occurs.
  • the number of transmissions with LBT failure is 2 (i.e., 2 LBT failures of Preamble)
  • the total number of uplink transmissions is 4 (i.e., 2 Preamble transmissions with LBT failures, 1 successful Preamble transmission, and 1 successful transmission of the handover completion message)
  • the number of transmissions with LBT failure accounts for 2/4 of the total number of uplink transmissions, i.e., 50%.
  • the terminal can include this ratio in the SHR or RLF report and send it to the network device.
  • the terminal when the terminal receives a handover command or meets the triggering condition of conditional handover, it sends a Preamble to the target cell. If at least one LBT failure occurs when the terminal sends the Preamble, the terminal can include the information that the message content of the LBT failure is the Preamble in the SHR or RLF report and send it to the network device.
  • the network device After receiving the SHR or RLF report, the network device can learn from the LBT failure message content carried in the report that an LBT failure occurred when the Preamble was sent during the terminal switching process, so that targeted optimization of the network configuration parameters can be made.
  • the LBT failure timer (lbt-FailureDetectionTimer) is started. If the LBT failure timer has been started when the terminal receives a switching command or determines that the triggering conditions for conditional switching are met, the terminal can include the running time of the LBT failure timer in the SHR or RLF report and send it to the network device.
  • the terminal when the terminal receives a switching command or determines that the triggering conditions for conditional switching are met, the LBT failure timer has been started.
  • the terminal can include the ratio of the running time of the LBT failure timer to the total time of the LBT failure timer in the SHR or RLF report and send it to the network device.
  • the value of the LBT counter (LBT COUNTER) may be increased by 1 accordingly.
  • the terminal can include the value of the corresponding LBT counter in the SHR or RLF report and send it to the network device.
  • the initial value of the LBT counter can be 0.
  • the terminal when the terminal receives a switching command or determines that the trigger condition for conditional switching is met, at least one LBT failure event has occurred.
  • the terminal can include the ratio between the value of the corresponding LBT counter and the maximum number of LBT failures (lbt-FailureInstanceMaxCount) in the SHR or RLF report and send it to the network device.
  • the terminal will turn on or restart the LBT failure timer. Then the terminal can count the total duration of the LBT failure timer from the first time the LBT failure timer is turned on to the end of the final handover (when the handover is successful or failed) (i.e., the running duration of the LBT failure timer).
  • the terminal can include the ratio between the running duration of the corresponding LBT failure timer and the total duration of timer T304 in the SHR or RLF report and send it to the network device. Among them, T304 is turned on when the handover command is received, and when T304 times out, the handover is considered to have failed.
  • the LBT failure information included in the RLF report includes bandwidth fragment BWP information where consecutive LBT failures occur.
  • the terminal when the value of the LBT counter is greater than the maximum number of LBT failures and the LBT failure timer has not timed out, the terminal will trigger a continuous LBT failure. If the terminal has a continuous LBT failure when transmitting uplink information on a bandwidth part (BWP) or multiple BWPs during the cell switching process, and further causes RLF. Then, the terminal can include one or more BWP information where the continuous LBT failure occurred in the RLF report and send it to the network device.
  • BWP bandwidth part
  • the network device After receiving the RLF report, the network device can learn which BWPs are frequently occupied based on the BWP information carried in the report, so that it can make targeted optimizations to the network configuration parameters.
  • the BWP information may include a BWP identification (BWP ID).
  • BWP ID BWP identification
  • a successful handover report SHR or a radio link failure report SHR is sent to the network device.
  • Report RLF report including:
  • an SHR or RLF report is sent to the network device. Whether the SHR trigger condition is met is determined when the handover is successful, and whether the RLF report trigger condition is met is determined when the handover fails:
  • the first trigger condition includes one or more of the following:
  • the ratio of the number of uplink messages with LBT failure to the total number of uplink messages is greater than or equal to the first threshold.
  • the terminal calculates the ratio of the number of messages with LBT failures in the handover process to the total number of uplink messages. If it is determined that the ratio of the number of messages with LBT failures in the handover process to the total number of uplink messages is greater than or equal to the first threshold, the terminal can send an SHR to the network device if the handover is successful, or send an RLF report to the network device if the handover fails, and include LBT failure information in the SHR or RLF report.
  • the first threshold can be flexibly set or configured on the network side according to actual needs, and is not limited here.
  • the terminal calculates the ratio of the number of transmissions with LBT failures in the handover process to the total number of uplink transmissions. If it is determined that the ratio of the number of transmissions with LBT failures in the handover process to the total number of uplink transmissions is greater than or equal to the second threshold, the terminal may send an SHR to the network device if the handover is successful, or send an RLF report to the network device if the handover fails, and include LBT failure information in the SHR or RLF report.
  • the second threshold can be flexibly set or configured on the network side according to actual needs, and is not limited here.
  • the terminal determines whether the LBT failure timer has been started when receiving the handover command or determining that the triggering condition of the conditional handover is met. If it is determined that the LBT failure timer has been started, the terminal can report to the network device if the handover is successful. Send an SHR, or send an RLF report to the network device in case of handover failure, and include LBT failure information in the SHR or RLF report.
  • the running time of the LBT failure timer is greater than or equal to the third threshold.
  • the terminal determines whether the running time of the LBT failure timer is greater than or equal to the third threshold when receiving the handover command or determining that the triggering condition of the conditional handover is met. If it is determined that the running time of the LBT failure timer is greater than or equal to the third threshold, the terminal can send an SHR to the network device if the handover is successful, or send an RLF report to the network device if the handover fails, and include LBT failure information in the SHR or RLF report.
  • the third threshold can be flexibly set or configured on the network side according to actual needs, and is not limited here.
  • the ratio of the running time of the LBT failure timer to the total time of the LBT failure timer is greater than or equal to the fourth threshold.
  • the terminal calculates the ratio between the running time of the failure timer and the total time of the LBT failure timer when receiving the handover command or determining that the triggering condition of the conditional handover is met. If it is determined that the ratio between the running time of the LBT failure timer and the total time of the LBT failure timer is greater than or equal to the fourth threshold, the terminal can send an SHR to the network device if the handover is successful, or send an RLF report to the network device if the handover fails, and include the LBT failure information in the SHR or RLF report.
  • the fourth threshold can be flexibly set or configured on the network side according to actual needs, and is not limited here.
  • the value of the LBT counter is greater than or equal to 1.
  • the terminal can send an SHR to the network device if the switching is successful, or send an RLF report to the network device if the switching fails, and include the LBT failure information in the SHR or RLF report.
  • the LBT counter The value is greater than or equal to the fifth threshold.
  • the terminal finds that when receiving the handover command or determining that the triggering condition of the conditional handover is met, the value of the LBT counter is greater than or equal to the fifth threshold, indicating that at least K LBT failure events have occurred before (the K value is equal to the fifth threshold), then the terminal can send an SHR to the network device if the handover is successful, or send an RLF report to the network device if the handover fails, and include the LBT failure information in the SHR or RLF report.
  • the fifth threshold can be flexibly set or configured on the network side according to actual needs, and is not limited here.
  • the ratio between the value of the LBT counter and the maximum number of LBT failures is greater than or equal to the sixth threshold.
  • the terminal calculates the ratio between the value of the LBT counter and the maximum number of LBT failures when receiving the handover command or determining that the triggering condition for the conditional handover is met. If the ratio between the value of the LBT counter and the maximum number of LBT failures is determined to be greater than or equal to the sixth threshold, the terminal can send an SHR to the network device if the handover is successful, or send an RLF report to the network device if the handover fails, and include LBT failure information in the SHR or RLF report.
  • the sixth threshold can be flexibly set or configured on the network side according to actual needs, and is not limited here.
  • the ratio of the running time of the LBT failure timer to the total time of timer T304 is greater than or equal to the seventh threshold.
  • the terminal if after receiving a switching command or determining that the triggering conditions for conditional switching are met, the terminal undergoes an LBT failure when performing uplink transmission during the target cell switching process, the terminal will turn on or restart the LBT failure timer.
  • the terminal can count the total running time of the LBT failure timer from the first time the LBT failure timer is turned on to the end of the final switching (when the switching is successful or failed), and determine whether the ratio of the total running time to timer T304 exceeds the seventh threshold.
  • the terminal can send an SHR to the network device if the switching is successful, or send an RLF report to the network device if the switching fails, and include the LBT failure information in the SHR or RLF report.
  • the seventh threshold can be flexibly set or configured on the network side according to actual needs, and is not included here.
  • T304 is turned on when a switching command is received. When T304 times out, the switching is considered to have failed.
  • the above-mentioned switching command can be indicated by a radio resource control (Radio Resource Control, RRC) message, a media access control control element (MAC CE) or a downlink control information (Downlink Control Information, DCI).
  • RRC Radio Resource Control
  • MAC CE media access control control element
  • DCI Downlink Control Information
  • the method further comprises:
  • the network device may send SHR configuration information or RLF report configuration information including the first trigger condition to the terminal.
  • the terminal After receiving the SHR configuration information or RLF report configuration information containing the first trigger condition sent by the network device, the terminal can send the SHR or RLF report to the network device if it is determined that the first trigger condition is met.
  • SHR configuration information or RLF report configuration information may be sent via an RRC message.
  • thresholds in the first trigger condition (first threshold, second threshold, third threshold, fourth threshold, fifth threshold and sixth threshold) are configured by the network device for the terminal, then these thresholds can be sent to the terminal together with the SHR configuration information or the RLF report configuration information.
  • FIG. 2 is a second flow chart of a method for sending information provided by an embodiment of the present disclosure. The method is applied to a network device. As shown in FIG. 2 , the method includes the following steps:
  • Step 200 Receive a successful switching report SHR or a radio link failure report RLF report sent by the terminal, where the SHR or RLF report contains the listen-before-talk LBT failure information.
  • Step 201 Adjust network configuration parameters based on SHR or RLF report.
  • the disclosed embodiment provides an information sending method, whereby the terminal can send an SHR or RLF report containing LBT failure information to the network device.
  • the LBT failure information includes relevant information about the LBT failure that occurred before the terminal received the switching command or before the triggering conditions for conditional switching were met, and/or during the switching process, such as whether the terminal had experienced an LBT failure during the switching process, and whether the terminal had experienced an LBT failure during the switching process.
  • the network device can understand the specific circumstances of the LBT failure of the terminal before and/or during the cell switching.
  • the network device After receiving the successful switching report SHR or wireless link failure report RLF report sent by the terminal including the listen-before-talk LBT failure information, the network device can obtain the LBT failure information included in the SHR or RLF report, so as to adjust the network configuration parameters according to the specific circumstances of the LBT failure of the terminal before the cell switching and/or during the cell switching process.
  • the network configuration parameters may be switching related setting parameters, LBT related setting parameters, RLF related setting parameters, and the like.
  • the information sending method provided by the embodiment of the present disclosure sends a successful switching report SHR or a wireless link failure report RLF report to a network device through a terminal.
  • the SHR or the RLF report contains listen-before-speak LBT failure information, so that the network device can understand the impact of LBT failure on the terminal cell switching based on these reports, and further make targeted optimization of network configuration parameters.
  • the LBT failure information may include one or more of the following:
  • the LBT failure indication is used to indicate that an LBT failure event occurred before the terminal received a switching command or before the triggering condition of conditional switching was met, and/or that an LBT failure event occurred during the switching process.
  • the terminal may include an LBT failure indication in the SHR or RLF report, and the LBT failure indication may be used to indicate that an LBT failure event occurred before the terminal received a switching command or before the triggering condition of the conditional switching was met, and/or during the switching process.
  • the LBT failure indication may be used to indicate that an LBT failure event occurred before the terminal received a switching command or before the triggering condition of the conditional switching was met; or the LBT failure indication may be used to indicate that an LBT failure event occurred during the switching process; or the LBT failure indication may be used to indicate that an LBT failure event occurred before the terminal received a switching command or before the triggering condition of the conditional switching was met, and during the switching process.
  • the network device After receiving the SHR or RLF report, the network device can know, based on the LBT failure indication carried in the report, whether the terminal has failed before receiving the switching command or before meeting the triggering conditions for conditional switching, and/or Or, an LBT failure event occurs during the switching process, so that the network configuration parameters can be optimized in a targeted manner.
  • the terminal when it receives a handover command or meets the triggering conditions for conditional handover, it sends a Preamble to the target cell, and when it subsequently receives a RAR, it sends a handover completion message to the target cell.
  • the terminal has two LBT failures when sending the Preamble, and successfully sends the Preamble for the third time; when sending the handover completion message, no LBT failure occurs. Then, the number of messages with LBT failure is 1 (i.e., the Preamble), the total number of uplink messages is 2 (i.e., the Preamble and the handover completion message), and the number of messages with LBT failure accounts for the total number of uplink messages.
  • the ratio is equal to 1/2, that is, 50%.
  • the terminal can include this ratio in the SHR or RLF report and send it to the network device.
  • the terminal when the terminal receives a handover command or meets the triggering conditions for conditional handover, it sends a Preamble to the target cell, and when it subsequently receives an RAR, it sends a handover completion message to the target cell.
  • the terminal has two LBT failure events when sending the Preamble, and successfully sends the Preamble for the third time; when sending the handover completion message, no LBT failure occurs.
  • the number of transmissions with LBT failure is 2 times (i.e., 2 LBT failures of the Preamble), and the total number of uplink transmissions is 4 times (i.e., 2 Preamble transmissions with LBT failures, 1 successful Preamble transmission, and 1 successful transmission of the handover completion message), and the ratio of the number of transmissions with LBT failures to the total number of uplink transmissions is equal to 2/4, i.e., 50%.
  • the terminal can include this ratio in the SHR or RLF report and send it to the network device.
  • the terminal when the terminal receives a handover command or meets the triggering condition of conditional handover, it sends a Preamble to the target cell. If at least one LBT failure occurs when the terminal sends the Preamble, the terminal can include the information that the message content of the LBT failure is the Preamble in the SHR or RLF report and send it to the network device.
  • the network device After receiving the SHR or RLF report, the network device can know that the terminal has an LBT failure when sending the Preamble during the switching process based on the message content of the LBT failure carried in the report. Failure can lead to targeted optimization of network configuration parameters.
  • the LBT failure timer is started. If the LBT failure timer has been started when the terminal receives a switching command or determines that the triggering conditions for conditional switching are met, the terminal can include the running time of the LBT failure timer in the SHR or RLF report and send it to the network device.
  • the terminal When the terminal receives a switching command or determines that the triggering condition for conditional switching is met, the ratio between the running time of the LBT failure timer and the total time of the LBT failure timer.
  • the terminal when the terminal receives a switching command or determines that the triggering conditions for conditional switching are met, the LBT failure timer has been started.
  • the terminal can include the ratio of the running time of the LBT failure timer to the total time of the LBT failure timer in the SHR or RLF report and send it to the network device.
  • the value of the LBT counter may be increased by 1. If at least one LBT failure event has occurred when the terminal receives a switching command or determines that the triggering condition for conditional switching is met, the terminal may include the value of the corresponding LBT counter in the SHR or RLF report and send it to the network device.
  • the initial value of the LBT counter may be 0.
  • the terminal when the terminal receives a switching command or determines that the triggering conditions for conditional switching are met, at least one LBT failure event has occurred.
  • the terminal can include the ratio between the value of the corresponding LBT counter and the maximum number of LBT failures in an SHR or RLF report and send it to the network device.
  • the terminal receives a handover command or determines that the triggering condition for conditional handover is met, and an LBT failure occurs when performing uplink transmission during the target cell handover process
  • the terminal The LBT failure timer will be turned on or restarted, so the terminal can count the total duration of the LBT failure timer from the first time the LBT failure timer is turned on to the end of the final switch (when the switch is successful or failed) (i.e., the running duration of the LBT failure timer).
  • the terminal can include the ratio between the running duration of the corresponding LBT failure timer and the total duration of timer T304 in the SHR or RLF report and send it to the network device. Among them, T304 is turned on when the switch command is received, and when T304 times out, the switch is considered to have failed.
  • the LBT failure information included in the RLF report includes bandwidth fragment BWP information where consecutive LBT failures occur.
  • the terminal when the value of the LBT counter is greater than the maximum number of LBT failures and the LBT failure timer has not timed out, the terminal will trigger a continuous LBT failure. If the terminal has a continuous LBT failure when transmitting uplink information on one or more BWPs during a cell handover, and this causes an RLF, then the terminal can include the information of one or more BWPs with continuous LBT failures in the RLF report and send it to the network device.
  • the network device After receiving the RLF report, the network device can learn which BWPs are frequently occupied based on the BWP information carried in the report, so that it can make targeted optimizations to the network configuration parameters.
  • the BWP information may include a BWP ID.
  • the method further comprises:
  • the first trigger condition includes one or more of the following:
  • the ratio of the number of uplink messages in which LBT failure occurs in the terminal to the total number of uplink messages is greater than or equal to the first threshold.
  • the terminal calculates the ratio of the number of messages with LBT failures in the handover process to the total number of uplink messages. If it is determined that the ratio of the number of messages with LBT failures in the handover process to the total number of uplink messages is greater than or equal to the first threshold, the terminal can send an SHR to the network device if the handover is successful, or send an RLF report to the network device if the handover fails, and include the LBT failure information in the SHR or RLF report.
  • the first threshold can be flexibly set or configured on the network side according to actual needs, and is not limited here.
  • the terminal calculates the ratio of the number of transmissions with LBT failures in the handover process to the total number of uplink transmissions. If it is determined that the ratio of the number of transmissions with LBT failures in the handover process to the total number of uplink transmissions is greater than or equal to the second threshold, the terminal may send an SHR to the network device if the handover is successful, or send an RLF report to the network device if the handover fails, and include LBT failure information in the SHR or RLF report.
  • the second threshold can be flexibly set or configured on the network side according to actual needs, and is not limited here.
  • the terminal determines whether the LBT failure timer has been started when receiving the switching command or determining that the triggering condition for the conditional switching is met. If it is determined that the LBT failure timer has been started, the terminal can send an SHR to the network device if the switching is successful, or send an RLF report to the network device if the switching fails, and include the LBT failure information in the SHR or RLF report.
  • the running length of the LBT failure timer is greater than or equal to a third threshold.
  • the terminal determines whether the running time of the LBT failure timer is greater than or equal to the third threshold when receiving the handover command or determining that the triggering condition of the conditional handover is met. If it is determined that the running time of the LBT failure timer is greater than or equal to the third threshold, the terminal can send an SHR to the network device if the handover is successful, or send an RLF report to the network device if the handover fails, and include LBT failure information in the SHR or RLF report.
  • the third threshold can be flexibly set or configured on the network side according to actual needs, and is not limited here.
  • the ratio of the running time of the LBT failure timer to the total time of the LBT failure timer is greater than or equal to the fourth threshold.
  • the terminal calculates the ratio between the running time of the failure timer and the total time of the LBT failure timer when receiving the handover command or determining that the triggering condition of the conditional handover is met. If it is determined that the ratio between the running time of the LBT failure timer and the total time of the LBT failure timer is greater than or equal to the fourth threshold, the terminal can send an SHR to the network device if the handover is successful, or send an RLF report to the network device if the handover fails, and include the LBT failure information in the SHR or RLF report.
  • the fourth threshold can be flexibly set or configured on the network side according to actual needs, and is not limited here.
  • the value of the LBT counter is greater than or equal to 1.
  • the terminal can send an SHR to the network device if the switching is successful, or send an RLF report to the network device if the switching fails, and include the LBT failure information in the SHR or RLF report.
  • the value of the LBT counter is greater than or equal to the fifth threshold.
  • the terminal finds that when receiving the handover command or determining that the triggering condition of the conditional handover is met, the value of the LBT counter is greater than or equal to the fifth threshold, indicating that at least K LBT failure events have occurred before (the K value is equal to the fifth threshold), then the terminal can send an SHR to the network device if the handover is successful, or send an RLF report to the network device if the handover fails, and include the LBT failure information in the SHR or RLF report.
  • the fifth threshold can be flexibly set or configured on the network side according to actual needs, and is not limited here.
  • the ratio between the value of the LBT counter and the maximum number of LBT failures is greater than or equal to the sixth threshold.
  • the terminal calculates the ratio between the value of the LBT counter and the maximum number of LBT failures when receiving the handover command or determining that the triggering condition for conditional handover is met. If the ratio between the two is greater than or equal to the sixth threshold, the terminal can send an SHR to the network device if the switching is successful, or send an RLF report to the network device if the switching fails, and include LBT failure information in the SHR or RLF report.
  • the sixth threshold can be flexibly set or configured on the network side according to actual needs, and is not limited here.
  • the ratio of the running time of the LBT failure timer of the terminal to the total time of timer T304 is greater than or equal to the seventh threshold.
  • the terminal receives a handover command or determines that the triggering conditions for conditional handover are met, and an LBT failure occurs when performing uplink transmission during the target cell handover process, the terminal will turn on or restart the LBT failure timer. Then the terminal can count the total running time of the LBT failure timer from the first time the LBT failure timer is turned on to the end of the final handover (when the handover is successful or failed), and determine whether the ratio of the total running time to the timer T304 exceeds the seventh threshold.
  • the terminal can send an SHR to the network device if the handover is successful, or send an RLF report to the network device if the handover fails, and include the LBT failure information in the SHR or RLF report.
  • the seventh threshold can be flexibly set or configured on the network side according to actual needs, and is not limited here. T304 is turned on when the handover command is received, and when T304 times out, the handover is considered to have failed.
  • Embodiment 1 The triggering condition of SHR or RLF report is that during the cell switching process of the terminal, the ratio of the number of LBT failure messages to the total number of uplink messages is greater than or equal to the first threshold.
  • Step 1 The network device configures SHR configuration information or RLF report configuration information for the terminal.
  • the SHR configuration information or RLF report configuration information includes the triggering conditions of the SHR or RLF report.
  • the SHR configuration information or RLF report configuration information may be sent via an RRC message.
  • Step 2 After the terminal confirms receipt of the SHR configuration information or RLF report configuration information, if When a handover command is received or a trigger condition of conditional handover is met, during the cell handover process or when the handover is successful or when the handover fails, the terminal determines whether the ratio of the number of messages with LBT failure to the total number of uplink messages is greater than or equal to a first threshold value, and the first threshold value is configured by the network device to the terminal. In some embodiments, the first threshold value can be sent to the terminal together with the SHR configuration information or the RLF report configuration information.
  • the terminal after receiving the handover command, the terminal sends a Preamble to the target cell, and subsequently sends a handover completion message to the target cell after receiving the RAR.
  • the number of messages in which LBT failure occurs in the total uplink messages is 1, namely, the Preamble.
  • the total number of uplink messages is 2, namely, Preamble and Handover Complete message.
  • the ratio of the number of messages with LBT failure calculated in this way to the total number of uplink messages (recorded as the first ratio) is equal to 1/2, that is, 50%.
  • the terminal if the cell switching is successful, the terminal triggers the sending of SHR; if the cell switching fails, the terminal triggers the sending of RLF report.
  • Step 3-1 The terminal may fill in one or more of the following contents in the SHR:
  • LBT failure indication used to indicate that an LBT failure occurred during the switching process
  • the message content when LBT failure occurs can be Preamble.
  • Step 3-2 The terminal may fill in one or more of the following in the RLF report:
  • LBT failure indication used to indicate that an LBT failure occurred during the switching process
  • the message content when LBT failure occurs can be Preamble.
  • the content reported by the terminal in the RLF report may also include corresponding BWP information (e.g., BWP ID) where the continuous LBT failures occurred.
  • Step 4 The terminal sends an SHR or RLF report to the network device.
  • Step 5 After receiving the SHR or RLF report, the network device, based on the value of the first ratio, Set the parameters for cell switching, such as setting a longer T304 timer, which is not restricted here.
  • the advantage of this embodiment is that it is convenient for the network device to obtain information about the number of LBT failure messages during the switching process, and it is convenient for the network device to adjust the relevant setting parameters of the switching, the relevant setting parameters of LBT, the relevant setting parameters of RLF, etc.
  • Embodiment 2 The triggering condition of the SHR or RLF report is that the ratio of the number of transmissions with LBT failures to the total number of uplink transmissions during the cell switching process of the terminal is greater than or equal to the second threshold.
  • Step 1 The network device configures SHR configuration information or RLF report configuration information for the terminal.
  • the SHR configuration information or RLF report configuration information includes the triggering conditions of the SHR or RLF report.
  • the SHR configuration information or RLF report configuration information may be sent via an RRC message.
  • Step 2 After the terminal confirms receipt of the SHR configuration information or the RLF report configuration information, if a switching command is received and/or the triggering condition of the conditional switching is met, during the switching process or when the switching is successfully completed or after the switching fails, the terminal determines whether the proportion of the number of transmissions with LBT failures to the total number of uplink transmissions is greater than or equal to a second threshold value, and the second threshold value is configured by the network device to the terminal.
  • the second threshold value can be sent to the terminal together with the SHR configuration information or the RLF report configuration information.
  • the terminal after receiving the handover command, the terminal sends a Preamble to the target cell, and subsequently sends a handover completion message to the target cell after receiving the RAR.
  • the number of transmissions in which LBT failures occurred in the uplink transmission is 2, that is, LBT failures occurred twice during the Preamble sending process.
  • the total number of uplink transmissions is 4 times, namely 3 Preambles (2 failed, 1 successful) and 1 Switching Complete message (1 successful).
  • the ratio of the number of transmissions with LBT failure calculated in this way to the total number of uplink transmissions (recorded as the second ratio) is equal to 2/4, that is, 50%.
  • the terminal Trigger the sending of SHR; if the handover fails, the terminal triggers the sending of RLF report.
  • Step 3-1 The terminal may fill in one or more of the following contents in the SHR:
  • LBT failure indication used to indicate that an LBT failure event occurred during the switching process
  • the message content when LBT failure occurs can be Preamble.
  • Step 3-2 The terminal may fill in one or more of the following in the RLF report:
  • LBT failure indication used to indicate that an LBT failure event occurred during the switching process
  • the message content when LBT failure occurs can be Preamble.
  • the content reported by the terminal in the RLF report may also include corresponding BWP information (e.g., BWP ID) where the continuous LBT failures occurred.
  • Step 4 The terminal sends an SHR or RLF report.
  • Step 5 After receiving the SHR or RLF report, the network device sets the switching parameters according to the second ratio, such as setting a longer T304 timer, or setting a more reasonable Preamble resource according to the number of LBT failures that occur during the Preamble sending process.
  • the advantage of this embodiment is that it is convenient for the network device to obtain information about the number of transmissions in which LBT failures occurred during the switching process, and it is convenient for the network device to adjust the relevant setting parameters of the switching, the relevant setting parameters of LBT, the relevant setting parameters of RLF, etc.
  • the triggering condition of SHR or RLF report is that when the terminal receives a switching command or determines that the triggering condition for conditional switching is met, the LBT failure timer has been started; or, when the terminal receives a switching command or determines that the triggering condition for conditional switching is met, the running time of the LBT failure timer is greater than or equal to a third threshold; or, when the terminal receives a switching command or determines that the triggering condition for conditional switching is met, the ratio of the running time of the LBT failure timer to the total time of the LBT failure timer is greater than or equal to a fourth threshold.
  • Step 1 The network device configures SHR configuration information or RLF report configuration information for the terminal.
  • the SHR configuration information or the RLF report configuration information includes a triggering condition for the SHR or RLF report.
  • the SHR configuration information or RLF report configuration information may be sent via an RRC message.
  • Step 2 After the terminal confirms receipt of the SHR configuration information or the RLF report configuration information, if the terminal receives a handover command or determines that the triggering condition for conditional handover is met, the terminal determines:
  • the ratio of the running time of the LBT failure timer to the total time of the LBT failure timer is greater than or equal to the fourth threshold.
  • the terminal before receiving the switching command, when the terminal sends an uplink message (such as a measurement report), when performing LBT, if the physical layer indicates that LBT fails, the terminal will start the LBT failure timer.
  • an uplink message such as a measurement report
  • the running length of the LBT failure timer may be the total running length of the LBT failure timer after receiving a switching command or satisfying a conditional switching condition (including the running length after restart).
  • the terminal receives a switching command.
  • the switching command may be indicated by an RRC message or MAC CE or DCI.
  • conditional switching condition is met or the LBT failure timer is running when the switching command is received; or,
  • the running length of the LBT failure timer exceeds a third threshold value, and the third threshold value is configured by the network device;
  • the ratio of the running time of the LBT failure timer to the total time of the LBT failure timer is greater than or equal to a fourth threshold, and the fourth threshold is configured by the network device.
  • the terminal triggers an SHR.
  • conditional switching condition is met or the LBT failure timer is running when the switching command is received; or,
  • the running length of the LBT failure timer exceeds a third threshold value, and the third threshold value is configured by the network device;
  • the ratio of the running time of the LBT failure timer to the total time of the LBT failure timer is greater than or equal to a fourth threshold, and the fourth threshold is configured by the network device.
  • the terminal triggers an RLF report.
  • Step 3 The terminal may fill in one or more of the following in the SHR or RLF report:
  • the content reported by the terminal in the RLF report may also include corresponding BWP information (e.g., BWP ID) where the continuous LBT failures occurred.
  • Step 4 The terminal sends an SHR or RLF report.
  • Step 5 After receiving the SHR or RLF report, the network device adjusts the sending time of the switching command according to the content of the SHR or RLF report, which will not be elaborated here.
  • the advantage of this embodiment is that it facilitates the network equipment to understand the LBT failure that occurred when the terminal received a switching command or met the triggering conditions for conditional switching, and facilitates the network equipment to adjust the relevant setting parameters of the switching, the relevant setting parameters of LBT, the relevant setting parameters of RLF, etc.
  • Embodiment 4 The triggering condition of SHR or RLF report is that when the terminal receives a switching command or determines that the triggering condition for conditional switching is met, the value of the LBT counter is greater than or equal to 1; or, when the terminal receives a switching command or determines that the triggering condition for conditional switching is met, the value of the LBT counter is greater than or equal to the fifth threshold; or, when the terminal receives a switching command or determines that the triggering condition for conditional switching is met, the ratio of the value of the LBT counter to the maximum number of LBT failures is greater than or equal to the sixth threshold.
  • Step 1 The network device configures SHR configuration information or RLF report configuration information for the terminal.
  • the SHR configuration information or RLF report configuration information includes the triggering conditions of the SHR or RLF report.
  • the SHR configuration information or the RLF report configuration information may be sent via an RRC message.
  • Step 2 After the terminal confirms receipt of the SHR configuration information or the RLF report configuration information, if the terminal receives a handover command or determines that the triggering condition for conditional handover is met, the terminal determines:
  • Whether the ratio between the value of the LBT counter and the maximum number of LBT failures is greater than or equal to a sixth threshold.
  • the terminal before receiving the switching command, when the terminal sends an uplink message (such as a measurement report), when performing LBT, if the physical layer indicates that LBT fails, the LBT counter will increase by 1.
  • an uplink message such as a measurement report
  • the switching command may be indicated by an RRC message or MAC CE or DCI.
  • conditional switching condition is met or when a switching command is received, the value of the LBT counter is greater than or equal to 1; or,
  • the value of the LBT counter is greater than or equal to a fifth threshold value, and the fifth threshold value is configured by the network device; or;
  • the ratio between the value of the LBT counter and the maximum number of LBT failures is greater than or equal to a sixth threshold, and the sixth threshold is configured by the network device.
  • the terminal triggers an SHR.
  • conditional switching condition is met or when a switching command is received, the value of the LBT counter is greater than or equal to 1; or,
  • the value of the LBT counter is greater than or equal to a fifth threshold value, and the fifth threshold value is configured by the network device; or;
  • the ratio between the value of the LBT counter and the maximum number of LBT failures is greater than or equal to a sixth threshold, and the sixth threshold is configured by the network device.
  • the terminal triggers an RLF report.
  • Step 3 The terminal may fill in one or more of the following in the SHR or RLF report:
  • the content reported by the terminal in the RLF report may also include corresponding BWP information (e.g., BWP ID) where the continuous LBT failures occurred.
  • Step 4 The terminal sends an SHR or RLF report.
  • Step 5 After receiving the SHR or RLF report, the network device adjusts the sending time of the switching command according to the content of the SHR or RLF report, which will not be elaborated here.
  • the advantage of this embodiment is that it facilitates the network equipment to understand the LBT failure that occurred when the terminal received a switching command or met the triggering conditions for conditional switching, and facilitates the network equipment to adjust the relevant setting parameters of the switching, the relevant setting parameters of LBT, the relevant setting parameters of RLF, etc.
  • the methods and devices provided in the various embodiments of the present disclosure are based on the same application concept. Since the methods and devices solve problems based on similar principles, the implementation of the devices and methods can refer to each other, and the repeated parts will not be repeated.
  • FIG3 is a schematic diagram of the structure of a terminal provided in an embodiment of the present disclosure.
  • the terminal includes a memory 320 , a transceiver 310 , and a processor 300 ; wherein the processor 300 and the memory 320 may also be arranged physically separately.
  • the memory 320 is used to store computer programs; the transceiver 310 is used to send and receive data under the control of the processor 300.
  • the transceiver 310 is used to receive and send data under the control of the processor 300 .
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 300 and various circuits of memory represented by memory 320 are linked together.
  • the bus architecture may also link together various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and are therefore not further described in this disclosure.
  • the bus interface provides an interface.
  • the transceiver 310 may be a plurality of components, namely, a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium, These transmission media include wireless channels, wired channels, optical cables, etc.
  • the user interface 330 can also be an interface that can connect to external or internal devices, including but not limited to keypads, displays, speakers, microphones, joysticks, etc.
  • the processor 300 is responsible for managing the bus architecture and general processing, and the memory 320 can store data used by the processor 300 when performing operations.
  • the processor 300 can be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or a complex programmable logic device (CPLD).
  • the processor can also adopt a multi-core architecture.
  • the processor 300 calls the computer program stored in the memory 320 to execute any of the methods provided in the embodiments of the present disclosure according to the obtained executable instructions, for example: sending a successful switching report SHR or a wireless link failure report RLF report to the network device, the SHR or RLF report containing the listen-before-talk LBT failure information.
  • the LBT failure information includes one or more of the following:
  • the LBT failure indication is used to indicate that an LBT failure event occurred before a switching command was received or before a trigger condition for conditional switching was met, and/or that an LBT failure event occurred during the switching process;
  • the LBT failure information included in the RLF report includes bandwidth fragment BWP information where consecutive LBT failures occur.
  • sending a successful handover report SHR or a radio link failure report RLF report to a network device includes:
  • the first trigger condition includes one or more of the following:
  • the ratio of the number of uplink messages with LBT failure to the total number of uplink messages is greater than or equal to the first threshold
  • the ratio of the number of uplink transmissions with LBT failure to the total number of uplink transmissions is greater than or equal to the second threshold
  • the LBT failure timer When a switching command is received or the triggering condition for conditional switching is determined to be met, the LBT failure timer has been started;
  • the running time of the LBT failure timer is greater than or equal to a third threshold
  • a ratio between the running time of the LBT failure timer and the total time of the LBT failure timer is greater than or equal to a fourth threshold
  • the value of the LBT counter is greater than or equal to 1;
  • the value of the LBT counter is greater than or equal to a fifth threshold
  • a ratio between the value of the LBT counter and the maximum number of LBT failures is greater than or equal to a sixth threshold
  • the ratio of the running time of the LBT failure timer to the total time of timer T304 is greater than or equal to the seventh threshold.
  • the method further comprises:
  • FIG4 is a schematic diagram of the structure of a network device provided in an embodiment of the present disclosure.
  • the network The network device includes a memory 420, a transceiver 410 and a processor 400; wherein the processor 400 and the memory 420 may also be physically arranged separately.
  • the memory 420 is used to store computer programs; the transceiver 410 is used to send and receive data under the control of the processor 400.
  • the transceiver 410 is used to receive and send data under the control of the processor 400 .
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 400 and various circuits of memory represented by memory 420 are linked together.
  • the bus architecture may also link together various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and are therefore not further described in this disclosure.
  • the bus interface provides an interface.
  • the transceiver 410 may be a plurality of components, including a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium, which may include a wireless channel, a wired channel, an optical cable, and other transmission media.
  • the processor 400 is responsible for managing the bus architecture and general processing, and the memory 420 can store data used by the processor 400 when performing operations.
  • the processor 400 may be a CPU, an ASIC, an FPGA or a CPLD, and the processor may also adopt a multi-core architecture.
  • the processor 400 calls the computer program stored in the memory 420 to execute any of the methods provided in the embodiments of the present disclosure according to the obtained executable instructions, for example: receiving a successful switching report SHR or a wireless link failure report RLF report sent by a receiving terminal, the SHR or RLF report including listen-before-talk (LBT) failure information; adjusting network configuration parameters based on the SHR or RLF report.
  • SHR or RLF report including listen-before-talk (LBT) failure information
  • LBT listen-before-talk
  • the LBT failure information includes one or more of the following:
  • the LBT failure indication is used to indicate that an LBT failure event occurred before the terminal received a switching command or before the triggering condition of the conditional switching was met, and/or that an LBT failure event occurred during the switching process;
  • the terminal When the terminal receives a switching command or determines that the triggering conditions for conditional switching are met, the LBT failure determination How long the timer runs;
  • the terminal When the terminal receives a switching command or determines that the triggering condition for conditional switching is met, the ratio between the running time of the LBT failure timer and the total time of the LBT failure timer;
  • the LBT failure information included in the RLF report includes bandwidth fragment BWP information where continuous LBT failures occur in the terminal.
  • the method further comprises:
  • the first trigger condition includes one or more of the following:
  • the ratio of the number of uplink messages in which LBT failure occurs in the terminal to the total number of uplink messages is greater than or equal to the first threshold
  • the ratio of the number of uplink transmissions in which LBT failure occurs at the terminal to the total number of uplink transmissions is greater than or equal to the second threshold
  • the LBT failure timer When the terminal receives a switching command or determines that the triggering conditions for conditional switching are met, the LBT failure timer has been started;
  • the running time of the LBT failure timer is greater than or equal to the third threshold
  • the ratio between the running time of the LBT failure timer and the total time of the LBT failure timer is greater than or equal to the fourth threshold
  • the value of the LBT counter is greater than or equal to 1;
  • the value of the LBT counter is greater than or equal to the fifth threshold
  • the ratio between the value of the LBT counter and the maximum number of LBT failures is greater than or equal to the sixth threshold
  • the ratio of the running time of the LBT failure timer of the terminal to the total time of timer T304 is greater than or equal to the seventh threshold.
  • FIG. 5 is one of the structural schematic diagrams of an information sending device provided in an embodiment of the present disclosure. As shown in FIG. 5 , the device includes:
  • the first sending unit 500 is used to send a successful switching report SHR or a wireless link failure report RLF report to the network device, and the SHR or RLF report includes the listen-before-talk LBT failure information.
  • the LBT failure information includes one or more of the following:
  • the LBT failure indication is used to indicate that an LBT failure event occurred before a switching command was received or before a trigger condition for conditional switching was met, and/or that an LBT failure event occurred during the switching process;
  • the LBT failure information included in the RLF report includes bandwidth fragment BWP information where consecutive LBT failures occur.
  • sending a successful handover report SHR or a radio link failure report RLF report to a network device includes:
  • the first trigger condition includes one or more of the following:
  • the ratio of the number of uplink messages with LBT failure to the total number of uplink messages is greater than or equal to the first threshold
  • the ratio of the number of uplink transmissions with LBT failure to the total number of uplink transmissions is greater than or equal to the second threshold
  • the LBT failure timer When a switching command is received or the triggering condition for conditional switching is determined to be met, the LBT failure timer has been started;
  • the running time of the LBT failure timer is greater than or equal to a third threshold
  • a ratio between the running time of the LBT failure timer and the total time of the LBT failure timer is greater than or equal to a fourth threshold
  • the value of the LBT counter is greater than or equal to 1;
  • the value of the LBT counter is greater than or equal to a fifth threshold
  • a ratio between the value of the LBT counter and the maximum number of LBT failures is greater than or equal to a sixth threshold
  • the ratio of the running time of the LBT failure timer to the total time of timer T304 is greater than or equal to the seventh threshold.
  • the apparatus further comprises:
  • the first receiving unit is used to receive SHR configuration information or RLF report configuration information sent by the network device, and the SHR configuration information or RLF report configuration information includes a first trigger condition.
  • FIG. 6 is a second structural diagram of an information sending device provided in an embodiment of the present disclosure. As shown in FIG. 6 , the device includes:
  • the second receiving unit 600 is used to receive a successful handover report SHR or a radio link Failure report RLF report, SHR or RLF report contains LBT failure information;
  • the parameter adjustment unit 610 is used to adjust the network configuration parameters based on the SHR or RLF report.
  • the LBT failure information includes one or more of the following:
  • the LBT failure indication is used to indicate that an LBT failure event occurred before the terminal received a switching command or before the triggering condition of the conditional switching was met, and/or that an LBT failure event occurred during the switching process;
  • the terminal When the terminal receives a switching command or determines that the triggering condition for conditional switching is met, the ratio between the running time of the LBT failure timer and the total time of the LBT failure timer;
  • the LBT failure information included in the RLF report includes bandwidth fragment BWP information where continuous LBT failures occur in the terminal.
  • the apparatus further comprises:
  • a second sending unit configured to send SHR configuration information or RLF report configuration information to the terminal, where the SHR configuration information or the RLF report configuration information includes a first trigger condition;
  • the first trigger condition includes one or more of the following:
  • the ratio of the number of uplink messages in which LBT failure occurs in the terminal to the total number of uplink messages is greater than or equal to the first threshold
  • the ratio of the number of uplink transmissions in which LBT failure occurs at the terminal to the total number of uplink transmissions is greater than or equal to the second threshold
  • the LBT failure timer When the terminal receives a switching command or determines that the triggering conditions for conditional switching are met, the LBT failure timer has been started;
  • the running time of the LBT failure timer is greater than or equal to the third threshold
  • the ratio between the running time of the LBT failure timer and the total time of the LBT failure timer is greater than or equal to the fourth threshold
  • the value of the LBT counter is greater than or equal to 1;
  • the value of the LBT counter is greater than or equal to the fifth threshold
  • the ratio between the value of the LBT counter and the maximum number of LBT failures is greater than or equal to the sixth threshold
  • the ratio of the running time of the LBT failure timer of the terminal to the total time of timer T304 is greater than or equal to the seventh threshold.
  • each functional unit in each embodiment of the present disclosure may be integrated into a processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a processor-readable storage medium.
  • the technical solution of the present disclosure is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions to enable a computer device (which can be a personal computer, a server, or a network device, etc.) or a processor (processor) to perform all or part of the steps of the method described in each embodiment of the present disclosure.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), disk or optical disk and other media that can store program code.
  • an embodiment of the present disclosure further provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and the computer program is used to enable a computer to execute the information sending method provided by the above embodiments.
  • the computer-readable storage medium can be any available medium or data storage device that can be accessed by a computer, including but not limited to magnetic storage (such as floppy disks, hard disks, magnetic tapes, magneto-optical disks (MO), etc.), optical storage (such as CD, DVD, BD, HVD, etc.), and semiconductor storage (such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drive (SSD)), etc.
  • magnetic storage such as floppy disks, hard disks, magnetic tapes, magneto-optical disks (MO), etc.
  • optical storage such as CD, DVD, BD, HVD, etc.
  • semiconductor storage such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drive (SSD)
  • the technical solution provided by the embodiments of the present disclosure can be applicable to a variety of systems, especially 5G systems.
  • the applicable systems can be global system of mobile communication (GSM) system, code division multiple access (CDMA) system, wideband code division multiple access (WCDMA) general packet radio service (GPRS) system, long term evolution (LTE) system, LTE frequency division duplex (FDD) system, LTE time division duplex (TDD) system, long term evolution advanced (LTE-A) system, universal mobile telecommunication system (UMTS), worldwide interoperability for microwave access (WiMAX) system, 5G new radio (NR) system, etc.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • GPRS general packet radio service
  • LTE long term evolution
  • FDD LTE frequency division duplex
  • TDD LTE time division duplex
  • LTE-A long term evolution advanced
  • UMTS universal mobile telecommunication system
  • WiMAX worldwide interoperability for
  • the terminal involved in the embodiments of the present disclosure may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other devices connected to a wireless modem. Management equipment, etc.
  • the name of the terminal may also be different.
  • the terminal in the 5G system, the terminal can be called User Equipment (UE).
  • the wireless terminal device can communicate with one or more core networks (CN) via the Radio Access Network (RAN).
  • CN Core Network
  • the wireless terminal device can be a mobile terminal device, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal device.
  • a mobile terminal device such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal device.
  • it can be a portable, pocket-sized, handheld, computer-built-in or vehicle-mounted mobile device that exchanges language and/or data with the wireless access network.
  • the wireless terminal device may also be referred to as a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, an access point, a remote terminal device, an access terminal device, a user terminal device, a user agent, and a user device, but is not limited in the embodiments of the present disclosure.
  • the network device involved in the embodiments of the present disclosure may be a base station, which may include multiple cells providing services for the terminal.
  • the base station may also be called an access point, or may be a device in the access network that communicates with the wireless terminal device through one or more sectors on the air interface, or other names.
  • the network device may be used to interchange received air frames with Internet Protocol (IP) packets, and serve as a router between the wireless terminal device and the rest of the access network, wherein the rest of the access network may include an Internet Protocol (IP) communication network.
  • IP Internet Protocol
  • the network device may also coordinate the attribute management of the air interface.
  • the network device involved in the embodiments of the present disclosure may be a network device (Base Transceiver Station, BTS) in the Global System for Mobile communications (GSM) or Code Division Multiple Access (CDMA), or a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or an evolved network device (evolutional Node B, eNB or e-NodeB) in the long term evolution (LTE) system, a 5G base station (gNB) in the 5G network architecture (next generation system), or a home evolved Node B (HeNB), a relay node
  • BTS Base Transceiver Station
  • GSM Global System for Mobile communications
  • CDMA Code Division Multiple Access
  • NodeB Wide-band Code Division Multiple Access
  • evolutional Node B, eNB or e-NodeB evolved network device
  • LTE long term evolution
  • gNB 5G base station
  • HeNB home evolved Node B
  • the network equipment may include a centralized unit (CU) node and a
  • Network devices and terminal devices can each use one or more antennas for multiple input multiple output (MIMO) transmission.
  • MIMO transmission can be single user MIMO (SU-MIMO) or multi-user MIMO (MU-MIMO).
  • MIMO transmission can be 2D-MIMO, 3D-MIMO, FD-MIMO or massive-MIMO, or it can be diversity transmission, precoded transmission or beamforming transmission, etc.
  • the embodiments of the present disclosure may be provided as methods, systems, or computer program products. Therefore, the present disclosure may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present disclosure may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) containing computer-usable program codes.
  • each process and/or box in the flowchart and/or block diagram, as well as the combination of the process and/or box in the flowchart and/or block diagram can be implemented by computer executable instructions.
  • These computer executable instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device produce a device for implementing the functions specified in one process or multiple processes in the flowchart and/or one box or multiple boxes in the block diagram.
  • processor-executable instructions may also be stored in a processor-readable memory that can direct a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the processor-readable memory produce a product including an instruction device that implements the functions specified in one or more processes in the flowchart and/or one or more boxes in the block diagram.
  • processor-executable instructions may also be loaded into a computer or other programmable data processing device.
  • a series of operational steps are performed on a computer or other programmable device to produce a computer-implemented process, so that the instructions executed on the computer or other programmable device provide steps for implementing the functions specified in one or more flows of the flowchart and/or one or more blocks of the block diagram.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

Les modes de réalisation de la présente divulgation concernent un procédé d'envoi d'informations, un dispositif, un appareil et un support de stockage. Le procédé consiste en ce qu'un terminal envoie à un dispositif de réseau un rapport de transfert intercellulaire réussi (SHR) ou un rapport de défaillance de liaison radio (rapport RLF), le SHR ou le rapport RLF contenant des informations de défaillance de procédure "écouter avant de parler" (LBT).
PCT/CN2023/126435 2022-11-04 2023-10-25 Procédé d'envoi d'informations, dispositif, appareil et support de stockage WO2024093750A1 (fr)

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CN202211379951.5A CN117998490A (zh) 2022-11-04 2022-11-04 信息发送方法、设备、装置及存储介质

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