WO2024060143A1 - Procédé/appareil/dispositif de rapport et support de stockage - Google Patents

Procédé/appareil/dispositif de rapport et support de stockage Download PDF

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Publication number
WO2024060143A1
WO2024060143A1 PCT/CN2022/120607 CN2022120607W WO2024060143A1 WO 2024060143 A1 WO2024060143 A1 WO 2024060143A1 CN 2022120607 W CN2022120607 W CN 2022120607W WO 2024060143 A1 WO2024060143 A1 WO 2024060143A1
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WIPO (PCT)
Prior art keywords
random access
msga
indication information
access process
step random
Prior art date
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PCT/CN2022/120607
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English (en)
Chinese (zh)
Inventor
江小威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
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Priority to CN202280003765.3A priority Critical patent/CN115669182A/zh
Priority to PCT/CN2022/120607 priority patent/WO2024060143A1/fr
Publication of WO2024060143A1 publication Critical patent/WO2024060143A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA

Definitions

  • the present disclosure relates to the field of communication technology, and in particular, to a reporting method/device/equipment and a storage medium.
  • the terminal device usually reports to the network device whether the 2-step random access process falls back to the 4-step random access process, and also reports the downlink reference signal during the 2-step random access process. Whether the received power (Reference Signal Received Power, RSRP) is greater than the msgA-RSRP-Threshold threshold.
  • RSRP Reference Signal Received Power
  • the information reported by the terminal device in the related technology cannot allow the network device to determine the specific reason for the 2-step random access process to fall back to the 4-step random access process, thus making it impossible for the network device to perform optimization and adjustment.
  • the reporting method/device/equipment and storage medium proposed by the present disclosure are used by the terminal device to report to the network device the indication information indicating the reason why the 2-step random access process falls back to the 4-step random access process, so that the network device Make corresponding optimization adjustments.
  • embodiments of the present disclosure provide a reporting method, which is executed by a terminal device and includes:
  • the terminal device reports indication information to the network device.
  • the indication information is used to indicate whether the payload of MsgA and/or the preamble of MsgA are successfully sent in the 2-step random access process.
  • the main reasons that cause the 2-step random access process to fall back to the 4-step random access process are: the payload of MsgA is not sent successfully and/or the preamble of MsgA is not sent successfully.
  • the terminal device reports the process to the network device.
  • Instruction information when the terminal equipment falls back to the 4-step random access process from the 2-step random access process, the network device can determine based on the instruction information what caused the 2-step random access process to fall back to the 4-step random access process. Specific reasons, and corresponding optimization adjustments can be made based on the specific reasons to improve the efficiency of subsequent random access.
  • the indication information is also used to indicate at least one of the following:
  • the preamble of MsgA was sent successfully, and whether the payload of MsgA failed to be sent due to LBT failure.
  • the reporting of indication information to the network device includes:
  • the indication information is reported to the network device.
  • the reporting of indication information to the network device includes:
  • the indication information is reported to the network device.
  • reporting the indication information to the network device includes:
  • the indication information is reported to the network device.
  • the reporting of indication information to the network device includes:
  • the reporting of indication information to the network device includes:
  • the device reports the instruction information.
  • embodiments of the present disclosure provide a reporting method, which is executed by a network device and includes:
  • Receive indication information reported by the terminal device is used to indicate whether the payload of MsgA and/or the preamble of MsgA are successfully sent in the two-step random access process initiated by the terminal device.
  • the indication information is also used to indicate at least one of the following:
  • the preamble of MsgA was sent successfully, and whether the payload of MsgA failed to be sent due to LBT failure.
  • the indication information is reported by the terminal device to the network device when the terminal device falls back from the 2-step random access process to the 4-step random access process.
  • the indication information is: reported by the terminal device to the network device when the terminal device uses unlicensed spectrum resources to initiate a random access process.
  • the indication information is: when the preamble of MsgA is sent successfully in the 2-step random access process initiated by the terminal device, but the payload of MsgA cannot be sent due to LBT failure, the terminal device reports to the network device.
  • the indication information reported by the receiving terminal device includes:
  • the terminal device Receives at least one indication information reported by the terminal device.
  • the at least one indication information corresponds to each random access attempt of the 2-step random access process initiated by the terminal device.
  • the at least one indication information is used to indicate the corresponding random access attempt. Whether MsgA's payload and/or MsgA's preamble are successfully sent during the access attempt.
  • the indication information reported by the receiving terminal device includes:
  • Receive the indication information reported by the terminal device through at least one of a connection establishment failure report, a random access report, an RLF report, SCG failure information, a successful handover report, a successful PScell addition report, and a successful PScell change report.
  • an embodiment of the present disclosure provides a communication device, which is included in a terminal device and includes:
  • the transceiver module is configured to report indication information to the network device.
  • the indication information is used to indicate whether the payload of MsgA and/or the preamble of MsgA in the two-step random access process are successfully sent.
  • an embodiment of the present disclosure provides a communication device, which is configured in a network device and includes:
  • the transceiver module is configured to receive indication information reported by the terminal device.
  • the indication information is used to indicate whether the payload of MsgA and/or the preamble of MsgA are successfully sent in the two-step random access process initiated by the terminal device.
  • an embodiment of the present disclosure provides a communication device.
  • the communication device includes a processor.
  • the processor calls a computer program in a memory, it executes the method described in the first aspect.
  • an embodiment of the present disclosure provides a communication device.
  • the communication device includes a processor.
  • the processor calls a computer program in a memory, it executes the method described in the second aspect.
  • an embodiment of the present disclosure provides a communication device.
  • the communication device includes a processor and a memory, and a computer program is stored in the memory; the processor executes the computer program stored in the memory, so that the communication device executes The method described in the first aspect above.
  • an embodiment of the present disclosure provides a communication device.
  • the communication device includes a processor and a memory, and a computer program is stored in the memory; the processor executes the computer program stored in the memory, so that the communication device executes The method described in the second aspect above.
  • an embodiment of the present disclosure provides a communication device.
  • the device includes a processor and an interface circuit.
  • the interface circuit is used to receive code instructions and transmit them to the processor.
  • the processor is used to run the code instructions to cause the The device executes the method described in the first aspect.
  • an embodiment of the present disclosure provides a communication device.
  • the device includes a processor and an interface circuit.
  • the interface circuit is used to receive code instructions and transmit them to the processor.
  • the processor is used to run the code instructions to cause the The device performs the method described in the second aspect above.
  • an embodiment of the present disclosure provides a communication system, which includes the communication device described in the third aspect to the communication device described in the fourth aspect, or the system includes the communication device described in the fifth aspect to The communication device according to the sixth aspect, or the system includes the communication device according to the seventh aspect to the communication device according to the eighth aspect, or the system includes the communication device according to the ninth aspect to the tenth aspect. the above-mentioned communication device.
  • embodiments of the present disclosure provide a computer-readable storage medium for storing instructions used by the above-mentioned network device. When the instructions are executed, the terminal device is caused to perform the above-mentioned first aspect to the second aspect. The method described in any of the aspects.
  • the present disclosure also provides a computer program product including a computer program, which, when run on a computer, causes the computer to execute the method described in any one of the above first to second aspects.
  • the present disclosure provides a chip system that includes at least one processor and an interface for supporting a network device to implement the functions involved in the method described in any one of the first to second aspects, For example, at least one of the data and information involved in the above method is determined or processed.
  • the chip system further includes a memory, and the memory is used to store necessary computer programs and data of the source secondary node.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • the present disclosure provides a computer program that, when run on a computer, causes the computer to perform the method described in any one of the above first to second aspects.
  • Figure 1 is a schematic architectural diagram of a communication system provided by an embodiment of the present disclosure
  • Figure 2 is a schematic flowchart of a reporting method provided by another embodiment of the present disclosure.
  • Figure 3 is a schematic flowchart of a reporting method provided by yet another embodiment of the present disclosure.
  • Figure 4 is a schematic flowchart of a reporting method provided by yet another embodiment of the present disclosure.
  • Figure 5 is a schematic flowchart of a reporting method provided by another embodiment of the present disclosure.
  • FIG6 is a flowchart of a reporting method provided in yet another embodiment of the present disclosure.
  • FIG7 is a flowchart of a reporting method provided by yet another embodiment of the present disclosure.
  • Figure 8 is a schematic flowchart of a reporting method provided by an embodiment of the present disclosure.
  • Figure 9 is a schematic flowchart of a reporting method provided by another embodiment of the present disclosure.
  • Figure 10 is a schematic flowchart of a reporting method provided by another embodiment of the present disclosure.
  • Figure 11 is a schematic flowchart of a reporting method provided by another embodiment of the present disclosure.
  • FIG12 is a flowchart of a reporting method provided by another embodiment of the present disclosure.
  • FIG13 is a flowchart of a reporting method provided in another embodiment of the present disclosure.
  • Figure 14 is a schematic structural diagram of a communication device provided by another embodiment of the present disclosure.
  • Figure 15 is a schematic structural diagram of a communication device provided by another embodiment of the present disclosure.
  • Figure 16 is a block diagram of a communication device provided by an embodiment of the present disclosure.
  • Figure 17 is a schematic structural diagram of a chip provided by an embodiment of the present disclosure.
  • first, second, third, etc. may be used to describe various information in the embodiments of the present disclosure, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other.
  • first information may also be called second information, and similarly, the second information may also be called first information.
  • the words "if” and “if” as used herein may be interpreted as “when” or “when” or “in response to determining.”
  • LBT is a technology widely used in radio communications. Before starting transmission, the radio transmitter will first listen to its radio environment and detect whether the channel is idle. If the channel is busy, it will wait until the channel is idle before transmitting to avoid channel access conflicts. , to achieve channel spectrum sharing.
  • FIG. 1 is a schematic architectural diagram of a communication system provided by an embodiment of the present disclosure.
  • the communication system may include but is not limited to one network device and one terminal device.
  • the number and form of devices shown in Figure 1 are only for examples and do not constitute a limitation on the embodiments of the present disclosure. In actual applications, two or more devices may be included. Network equipment, two or more terminal devices.
  • the communication system shown in Figure 1 includes a network device 11 and a terminal device 12 as an example.
  • LTE long term evolution
  • 5th generation fifth generation
  • 5G new radio (NR) system 5th generation new radio
  • the network device 11 in the embodiment of the present disclosure is an entity on the network side that is used to transmit or receive signals.
  • the network device 11 may be an evolved base station (evolved NodeB, eNB), a transmission reception point (TRP), a radio remote head (Radio Remote Head, RRH), or a next generation base station (next generation) in an NR system.
  • NodeB, gNB base stations in other future mobile communication systems or access nodes in wireless fidelity (WiFi) systems, etc.
  • the embodiments of the present disclosure do not limit the specific technologies and specific equipment forms used by network equipment.
  • the network equipment provided by the embodiments of the present disclosure may be composed of a centralized unit (CU) and a distributed unit (DU).
  • the CU may also be called a control unit (control unit).
  • CU-DU is used.
  • the structure can separate the protocol layers of network equipment, such as base stations, and place some protocol layer functions under centralized control on the CU. The remaining part or all protocol layer functions are distributed in the DU, and the CU centrally controls the DU.
  • the terminal device 12 in the embodiment of the present disclosure is an entity on the user side for receiving or transmitting signals, such as a mobile phone.
  • Terminal equipment can also be called terminal equipment (terminal), user equipment (user equipment, UE), mobile station (mobile station, MS), mobile terminal equipment (mobile terminal, MT), etc.
  • the terminal device can be a car with communication functions, a smart car, a mobile phone, a wearable device, a tablet computer (Pad), a computer with wireless transceiver functions, a virtual reality (VR) terminal device, an augmented reality (augmented reality (AR) terminal equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self-driving, wireless terminal equipment in remote medical surgery, smart grid ( Wireless terminal equipment in smart grid, wireless terminal equipment in transportation safety, wireless terminal equipment in smart city, wireless terminal equipment in smart home, etc.
  • the embodiments of the present disclosure do not limit the specific technology and specific equipment form used by the terminal equipment.
  • FIG. 2 is a schematic flowchart of a reporting method provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Figure 2, the reporting method may include the following steps:
  • Step 201 Report the instruction information to the network device.
  • the disclosed method can be applied to New Radio unlicensed (NR-U) systems.
  • the above indication information can be used to indicate whether the payload of MsgA and/or the preamble of MsgA are successfully sent in the 2-step random access process.
  • the above indication information is also used to indicate the reason why the payload of MsgA was not successfully sent, and/or the reason why the preamble of MsgA was not successfully sent; wherein, the indication information may also indicate At least one of the following:
  • the preamble of MsgA is sent successfully, and the payload of MsgA cannot be sent due to LBT failure.
  • the terminal device will report to the network device "indication information for indicating whether the payload of MsgA and/or the preamble of MsgA are successfully sent, and the reason why the payload of MsgA and/or the preamble of MsgA are not successfully sent", wherein the indication information is reported to the network device after the terminal device successfully accesses the random access.
  • the indication information can be used for: when the terminal device falls back from the 2-step random access process to the 4-step random access process, the network device can determine the reason why the 2-step random access process falls back to the 4-step random access process based on the indication information.
  • a terminal device when a terminal device initiates a 2-step random access process, it may fall back to a 4-step random access process due to some reasons.
  • the reason may be at least one of the following:
  • the number of times MsgA is sent reaches the threshold (such as msgA-TransMax);
  • the terminal device receives the fallbackRAR (fallback random response) sent by the network device, where the fallbackRAR is sent to the terminal device when the network device does not receive the payload of msgA;
  • the terminal device sent the preamble of msgA, but the payload of msgA failed to be sent successfully.
  • the reason causing the terminal device to fall back from the 2-step random access process to the 4-step random access process is essentially: the preamble of MsgA was not successfully sent and/or the payload of MsgA was not sent successfully.
  • the reason why the preamble of MsgA is not sent successfully and/or the payload of MsgA is not sent successfully may be that the poor quality of the uplink signal causes the network device to be unable to decode it correctly, resulting in the network device being unable to receive the preamble and/or the payload of MsgA.
  • the payload of MsgA or it may be that the terminal device fails to send the preamble of MsgA and/or the payload of MsgA due to LBT failure.
  • the network device can determine the cause of the 2-step random access process falling back to the 4-step random access process based on the indication information. For example, it can be determined that it is due to MsgA.
  • the 2-step random access process caused by the unsuccessful transmission of the payload falls back to the 4-step random access process, or it is determined that the 2-step random access process is caused by the unsuccessful transmission of MsgA's preamble and falls back to the 4-step random access process. .
  • the indication information in this disclosure will also indicate the reason why the payload of MsgA and/or the preamble of MsgA are not successfully sent (such as whether it is due to LBT failure. causing the payload of MsgA and/or the preamble of MsgA to be unsuccessfully sent), the network device can further determine the reason for the payload of MsgA and/or the preamble of MsgA to be unsuccessfully sent based on the indication information, so as to perform corresponding optimization based on the reason.
  • Adjustment is made to ensure that the payload of MsgA and the preamble of MsgA can be sent successfully in the subsequent 2-step random access process, so as to avoid the fallback from the 2-step random access process to the 4-step random access process when the subsequent terminal device is randomly accessed. situation.
  • the terminal device will report indication information to the network device.
  • the indication information is used to indicate the payload of MsgA and/or the preamble of MsgA in the 2-step random access process. Whether sent successfully.
  • the main reasons that cause the 2-step random access process to fall back to the 4-step random access process are: the payload of MsgA is not sent successfully and/or the preamble of MsgA is not sent successfully. Based on this, the terminal device reports the process to the network device.
  • the network device can determine based on the instruction information what caused the 2-step random access process to fall back to the 4-step random access process. Specific reasons, and corresponding optimization adjustments can be made based on the specific reasons to improve the efficiency of subsequent random access.
  • FIG 3 is a schematic flowchart of a reporting method provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Figure 3, the reporting method may include the following steps:
  • Step 301 When the terminal device reverts from the 2-step random access process to the 4-step random access process, it reports indication information to the network device.
  • the terminal device when a terminal device randomly accesses a network and a 2-step random access process falls back to a 4-step random access process, the terminal device can report the indication information to the network device after the random access is successful. Also, for a detailed description of step 301 "reporting indication information to the network device", please refer to the above embodiment.
  • the terminal device will report indication information to the network device.
  • the indication information is used to indicate the payload of MsgA and/or the preamble of MsgA in the 2-step random access process. Whether sent successfully.
  • the main reasons that cause the 2-step random access process to fall back to the 4-step random access process are: the payload of MsgA is not sent successfully and/or the preamble of MsgA is not sent successfully. Based on this, the terminal device reports the process to the network device.
  • the network device can determine based on the instruction information what caused the 2-step random access process to fall back to the 4-step random access process. Specific reasons, and corresponding optimization adjustments can be made based on the specific reasons to improve the efficiency of subsequent random access.
  • FIG 4 is a schematic flowchart of a reporting method provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Figure 4, the reporting method may include the following steps:
  • Step 401 When the terminal device initiates a random access process using unlicensed spectrum resources, report indication information to the network device.
  • the terminal device when a terminal device uses unlicensed spectrum resources to initiate a random access process, the terminal device may report the indication information to the network device after the random access is successful. Also, for a detailed introduction to step 401 "Reporting instruction information to the network device", please refer to the above embodiment.
  • the terminal device will report indication information to the network device, and the indication information is used to indicate whether the payload of MsgA and/or the preamble of MsgA in the 2-step random access process are successfully sent.
  • the terminal device since the reasons that cause the 2-step random access process to fall back to the 4-step random access process are mainly: the payload of MsgA is not successfully sent and/or the preamble of MsgA is not successfully sent, based on this, the terminal device reports the indication information to the network device, then when the terminal device falls back from the 2-step random access process to the 4-step random access process, the network device can determine the specific reason that causes the 2-step random access process to fall back to the 4-step random access process based on the indication information, and can perform corresponding optimization adjustments based on the specific reason to improve the efficiency of subsequent random access.
  • FIG. 5 is a schematic flowchart of a reporting method provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Figure 5, the reporting method may include the following steps:
  • Step 501 When the preamble of MsgA is successfully sent during the 2-step random access process initiated by the terminal device, but the payload of MsgA fails to be sent due to LBT failure, the indication information is reported to the network device.
  • the indication information can be reported to the network device.
  • the terminal device randomly accesses the After successful entry, the indication information can be reported to the network device.
  • the terminal device will report indication information to the network device.
  • the indication information is used to indicate the payload of MsgA and/or the preamble of MsgA in the 2-step random access process. Whether sent successfully.
  • the main reasons that cause the 2-step random access process to fall back to the 4-step random access process are: the payload of MsgA is not sent successfully and/or the preamble of MsgA is not sent successfully. Based on this, the terminal device reports the process to the network device.
  • the network device can determine based on the instruction information what caused the 2-step random access process to fall back to the 4-step random access process. Specific reasons, and corresponding optimization adjustments can be made based on the specific reasons to improve the efficiency of subsequent random access.
  • Figure 6 is a schematic flowchart of a reporting method provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Figure 6, the reporting method may include the following steps:
  • Step 601 Report at least one indication information to the network device.
  • the at least one indication information corresponds to each random access attempt of the 2-step random access process, and the at least one indication information is used to indicate MsgA in the corresponding random access attempt process. Whether the payload and/or the preamble of MsgA are sent successfully.
  • the at least one indication information can also be used to indicate the reason why the payload of MsgA was not successfully sent during the corresponding random access attempt, and/or the reason why the preamble of MsgA was not successfully sent; specifically, the at least An indication message may also indicate at least one of the following:
  • the preamble of MsgA was successfully sent during the random access attempt corresponding to the indication information, and whether the payload of MsgA failed to be sent due to LBT failure during the random access attempt corresponding to the indication information.
  • the terminal device can report indication information #1 and indication information #2 to the network device, indicating that Information #1 corresponds to the first random access attempt in the 2-step random access process and is used to indicate whether the payload of MsgA and/or the preamble of MsgA in the first random access attempt in the 2-step random access process.
  • the indication information #2 corresponds to the second random access attempt in the 2-step random access process, and is used to indicate the payload and/or MsgA in the second random access attempt in the 2-step random access process. Whether the preamble of MsgA is sent successfully.
  • the indication information #1 may also indicate the reason why MsgA's payload was not successfully sent during the first random access attempt, and/or the reason why MsgA's preamble was not successfully sent.
  • the indication information #1 may also indicate Indicate at least one of the following:
  • the preamble of MsgA was successfully sent, and whether the payload of MsgA in the first random access attempt failed to be sent due to LBT failure.
  • the indication information #2 may also indicate the reason why MsgA's payload was not successfully sent during the second random access attempt, and/or the reason why MsgA's preamble was not successfully sent.
  • the indication information #2 may also indicate At least one of the following:
  • the preamble of MsgA was successfully sent, and whether the payload of MsgA in the second random access attempt failed to be sent due to LBT failure.
  • the above-mentioned at least one indication information can be carried in the perRAAttemptInfoList IE (random access attempt information list information element) corresponding to the corresponding random access attempt.
  • step 601 can be referred to the above embodiments.
  • the terminal device will report indication information to the network device.
  • the indication information is used to indicate the payload of MsgA and/or the preamble of MsgA in the 2-step random access process. Whether sent successfully.
  • the main reasons that cause the 2-step random access process to fall back to the 4-step random access process are: the payload of MsgA is not sent successfully and/or the preamble of MsgA is not sent successfully. Based on this, the terminal device reports the process to the network device.
  • the network device can determine based on the instruction information what caused the 2-step random access process to fall back to the 4-step random access process. Specific reasons, and corresponding optimization adjustments can be made based on the specific reasons to improve the efficiency of subsequent random access.
  • Figure 7 is a schematic flowchart of a reporting method provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Figure 7, the reporting method may include the following steps:
  • Step 701 through connection establishment failure report, random access report, radio link failure (Radio Link Failure, RLF) report, SCG failure information (secondary cell group failure information), successful handover report, successful primary secondary cell (Primary Secondary Cell) , PScell) reporting indication information to the network device at least one of a successful PScell change report and a successful PScell change report.
  • radio link failure Radio Link Failure, RLF
  • SCG failure information secondary cell group failure information
  • successful handover report successful primary secondary cell (Primary Secondary Cell)
  • PScell reporting indication information to the network device at least one of a successful PScell change report and a successful PScell change report.
  • the instruction information can be carried in at least one of a connection establishment failure report, a random access report, an RLF report, an SCG failure information, a successful handover report, a successful PScell addition report, and a successful PScell change report and reported to the network device. .
  • step 701 For other details about step 701, please refer to the above embodiment description.
  • the terminal device will report indication information to the network device.
  • the indication information is used to indicate the payload of MsgA and/or the preamble of MsgA in the 2-step random access process. Whether sent successfully.
  • the main reasons that cause the 2-step random access process to fall back to the 4-step random access process are: the payload of MsgA is not sent successfully and/or the preamble of MsgA is not sent successfully. Based on this, the terminal device reports the process to the network device.
  • the network device can determine based on the instruction information what caused the 2-step random access process to fall back to the 4-step random access process. Specific reasons, and corresponding optimization adjustments can be made based on the specific reasons to improve the efficiency of subsequent random access.
  • FIG8 is a flow chart of a reporting method provided in an embodiment of the present disclosure. The method is executed by a network device. As shown in FIG8 , the reporting method may include the following steps:
  • Step 801 Receive indication information reported by the terminal device.
  • the indication information is used to indicate whether the payload of MsgA and/or the preamble of MsgA are successfully sent in the two-step random access process initiated by the terminal device.
  • the indication information is also used to indicate at least one of the following:
  • the preamble of MsgA was sent successfully, and whether the payload of MsgA failed to be sent due to LBT failure.
  • step 801 For detailed introduction to step 801, please refer to the above embodiment.
  • the network device will receive the indication information reported by the terminal device.
  • the indication information is used to indicate the payload of MsgA and/or the preamble of MsgA in the 2-step random access process. Whether sent successfully.
  • the main reasons that cause the 2-step random access process to fall back to the 4-step random access process are: the payload of MsgA is not sent successfully and/or the preamble of MsgA is not sent successfully.
  • the terminal device reports the process to the network device.
  • the network device can determine based on the instruction information what caused the 2-step random access process to fall back to the 4-step random access process. Specific reasons, and corresponding optimization adjustments can be made based on the specific reasons to improve the efficiency of subsequent random access.
  • Figure 9 is a schematic flowchart of a reporting method provided by an embodiment of the present disclosure. The method is executed by a network device. As shown in Figure 9, the reporting method may include the following steps:
  • Step 901 Receive instruction information reported by the terminal device.
  • the instruction information is reported by the terminal device to the network device when the terminal device undergoes a 2-step random access process and falls back to a 4-step random access process.
  • step 901 For detailed introduction to step 901, please refer to the above embodiment.
  • the network device will receive the indication information reported by the terminal device.
  • the indication information is used to indicate the payload of MsgA and/or the preamble of MsgA in the 2-step random access process. Whether sent successfully.
  • the main reasons that cause the 2-step random access process to fall back to the 4-step random access process are: the payload of MsgA is not sent successfully and/or the preamble of MsgA is not sent successfully.
  • the terminal device reports the process to the network device.
  • the network device can determine based on the instruction information what caused the 2-step random access process to fall back to the 4-step random access process. Specific reasons, and corresponding optimization adjustments can be made based on the specific reasons to improve the efficiency of subsequent random access.
  • FIG 10 is a schematic flowchart of a reporting method provided by an embodiment of the present disclosure. The method is executed by a network device. As shown in Figure 10, the reporting method may include the following steps:
  • Step 1001 Receive indication information reported by a terminal device, where the indication information is reported by the terminal device to the network device when the terminal device initiates a random access process using unlicensed spectrum resources.
  • step 1001 For detailed introduction to step 1001, please refer to the above embodiment.
  • the network device will receive the indication information reported by the terminal device.
  • the indication information is used to indicate the payload of MsgA and/or the preamble of MsgA in the 2-step random access process. Whether sent successfully.
  • the main reasons that cause the 2-step random access process to fall back to the 4-step random access process are: the payload of MsgA is not sent successfully and/or the preamble of MsgA is not sent successfully.
  • the terminal device reports the process to the network device.
  • the network device can determine based on the instruction information what caused the 2-step random access process to fall back to the 4-step random access process. Specific reasons, and corresponding optimization adjustments can be made based on the specific reasons to improve the efficiency of subsequent random access.
  • FIG 11 is a schematic flowchart of a reporting method provided by an embodiment of the present disclosure. The method is executed by a network device. As shown in Figure 11, the reporting method may include the following steps:
  • Step 1101 Receive the instruction information reported by the terminal device.
  • the instruction information is: when the preamble of MsgA is successfully sent during the 2-step random access process initiated by the terminal device, but the payload of MsgA fails to be sent due to LBT failure, the reported by the terminal device to the network device.
  • step 1101 For detailed introduction to step 1101, please refer to the above embodiment.
  • the network device will receive the indication information reported by the terminal device.
  • the indication information is used to indicate the payload of MsgA and/or the preamble of MsgA in the 2-step random access process. Whether sent successfully.
  • the main reasons that cause the 2-step random access process to fall back to the 4-step random access process are: the payload of MsgA is not sent successfully and/or the preamble of MsgA is not sent successfully.
  • the terminal device reports the process to the network device.
  • the network device can determine based on the instruction information what caused the 2-step random access process to fall back to the 4-step random access process. Specific reasons, and corresponding optimization adjustments can be made based on the specific reasons to improve the efficiency of subsequent random access.
  • Figure 12 is a schematic flowchart of a reporting method provided by an embodiment of the present disclosure. The method is executed by a network device. As shown in Figure 12, the reporting method may include the following steps:
  • Step 1201 Receive at least one indication information reported by the terminal device.
  • the at least one indication information corresponds to each random access attempt of the 2-step random access process initiated by the terminal device, and the at least one indication information is used to indicate the payload and/or MsgA in the corresponding random access attempt process. Or whether the preamble of MsgA is sent successfully.
  • step 1201 For detailed introduction to step 1201, please refer to the above embodiment.
  • the network device will receive the indication information reported by the terminal device.
  • the indication information is used to indicate the payload of MsgA and/or the preamble of MsgA in the 2-step random access process. Whether sent successfully.
  • the main reasons that cause the 2-step random access process to fall back to the 4-step random access process are: the payload of MsgA is not sent successfully and/or the preamble of MsgA is not sent successfully.
  • the terminal device reports the process to the network device.
  • the network device can determine based on the instruction information what caused the 2-step random access process to fall back to the 4-step random access process. Specific reasons, and corresponding optimization adjustments can be made based on the specific reasons to improve the efficiency of subsequent random access.
  • Figure 13 is a schematic flowchart of a reporting method provided by an embodiment of the present disclosure. The method is executed by a network device. As shown in Figure 13, the reporting method may include the following steps:
  • Step 1301 Receive the indication information reported by the terminal device through at least one of a connection establishment failure report, a random access report, an RLF report, SCG failure information, a successful handover report, a successful PScell addition report, and a successful PScell change report.
  • the at least one indication information corresponds to each random access attempt of the 2-step random access process initiated by the terminal device, and the at least one indication information is used to indicate the payload and/or MsgA in the corresponding random access attempt process. Or whether the preamble of MsgA is sent successfully.
  • step 1201 For detailed introduction to step 1201, please refer to the above embodiment.
  • the network device will receive the indication information reported by the terminal device.
  • the indication information is used to indicate the payload of MsgA and/or the preamble of MsgA in the 2-step random access process. Whether sent successfully.
  • the main reasons that cause the 2-step random access process to fall back to the 4-step random access process are: the payload of MsgA is not sent successfully and/or the preamble of MsgA is not sent successfully.
  • the terminal device reports the process to the network device.
  • the network device can determine based on the instruction information what caused the 2-step random access process to fall back to the 4-step random access process. Specific reasons, and corresponding optimization adjustments can be made based on the specific reasons to improve the efficiency of subsequent random access.
  • Figure 14 is a schematic structural diagram of a communication device provided by an embodiment of the present disclosure. As shown in Figure 14, the device may include:
  • the transceiver module is configured to report indication information to the network device.
  • the indication information is used to indicate whether the payload of MsgA and/or the preamble of MsgA in the two-step random access process are successfully sent.
  • the terminal device will report indication information to the network device.
  • the indication information is used to indicate the payload of MsgA and/or the payload of MsgA in the 2-step random access process. Whether the preamble is sent successfully.
  • the main reasons that cause the 2-step random access process to fall back to the 4-step random access process are: the payload of MsgA is not sent successfully and/or the preamble of MsgA is not sent successfully. Based on this, the terminal device reports the process to the network device.
  • the network device can determine based on the instruction information what caused the 2-step random access process to fall back to the 4-step random access process. Specific reasons, and corresponding optimization adjustments can be made based on the specific reasons to improve the efficiency of subsequent random access.
  • the indication information is also used to indicate at least one of the following:
  • the preamble of MsgA was sent successfully, and whether the payload of MsgA failed to be sent due to LBT failure.
  • the transceiver module is also used to:
  • the indication information is reported to the network device.
  • the transceiver module is used for:
  • the indication information is reported to the network device.
  • the transceiver module is also used to:
  • the indication information is reported to the network device.
  • the transceiver module is further used for:
  • the transceiver module is also used to:
  • the device reports the instruction information
  • Figure 15 is a schematic structural diagram of a communication device provided by an embodiment of the present disclosure. As shown in Figure 15, the device may include:
  • the transceiver module is configured to receive indication information reported by the terminal device.
  • the indication information is used to indicate whether the payload of MsgA and/or the preamble of MsgA are successfully sent in the two-step random access process initiated by the terminal device.
  • the network device will receive the indication information reported by the terminal device.
  • the indication information is used to indicate the payload of MsgA and/or the payload of MsgA in the 2-step random access process. Whether the preamble is sent successfully.
  • the main reasons that cause the 2-step random access process to fall back to the 4-step random access process are: the payload of MsgA is not sent successfully and/or the preamble of MsgA is not sent successfully.
  • the terminal device reports the process to the network device.
  • the network device can determine based on the instruction information what caused the 2-step random access process to fall back to the 4-step random access process. Specific reasons, and corresponding optimization adjustments can be made based on the specific reasons to improve the efficiency of subsequent random access.
  • the indication information is also used to indicate at least one of the following:
  • the preamble of MsgA was sent successfully, and whether the payload of MsgA failed to be sent due to LBT failure.
  • the indication information is: when the terminal equipment falls back from the 2-step random access process to the 4-step random access process, the indication information is reported by the terminal equipment to the of network equipment.
  • the indication information is: reported by the terminal device to the network device when the terminal device uses unlicensed spectrum resources to initiate a random access process.
  • the indication information is: when the preamble of MsgA is successfully sent during the 2-step random access process initiated by the terminal device, but the payload of MsgA fails to be sent due to LBT failure. , reported by the terminal device to the network device.
  • the transceiver module is further used for:
  • At least one indication message reported by a receiving terminal device, wherein the at least one indication message corresponds to each random access attempt of a 2-step random access process initiated by the terminal device, and the at least one indication message is used to indicate whether the payload of MsgA and/or the preamble of MsgA are successfully sent in the corresponding random access attempt process.
  • the transceiver module is also used to:
  • Receive the indication information reported by the terminal device through at least one of connection establishment failure report, random access report, RLF report, SCG failure information, successful switching report, successful PScell addition report, and successful PScell change report.
  • FIG 16 is a schematic structural diagram of a communication device 1600 provided by an embodiment of the present application.
  • the communication device 1600 may be a network device, a terminal device, a chip, a chip system, or a processor that supports a network device to implement the above method, or a chip, a chip system, or a processor that supports a terminal device to implement the above method. Processor etc.
  • the device can be used to implement the method described in the above method embodiment. For details, please refer to the description in the above method embodiment.
  • Communication device 1600 may include one or more processors 1601.
  • the processor 1601 may be a general-purpose processor or a special-purpose processor, or the like.
  • it can be a baseband processor or a central processing unit.
  • the baseband processor can be used to process communication protocols and communication data.
  • the central processor can be used to control communication devices (such as base stations, baseband chips, terminal equipment, terminal equipment chips, DU or CU, etc.) and execute computer programs. , processing data for computer programs.
  • the communication device 1600 may also include one or more memories 1602, on which a computer program 1604 may be stored.
  • the processor 1601 executes the computer program 1604, so that the communication device 1600 performs the steps described in the above method embodiments. method.
  • the memory 1602 may also store data.
  • the communication device 1600 and the memory 1602 can be provided separately or integrated together.
  • the communication device 1600 may also include a transceiver 1605 and an antenna 1606.
  • the transceiver 1605 may be called a transceiver unit, a transceiver, a transceiver circuit, etc., and is used to implement transceiver functions.
  • the transceiver 1605 may include a receiver and a transmitter.
  • the receiver may be called a receiver or a receiving circuit, etc., used to implement the receiving function;
  • the transmitter may be called a transmitter, a transmitting circuit, etc., used to implement the transmitting function.
  • the communication device 1600 may also include one or more interface circuits 1607.
  • the interface circuit 1607 is used to receive code instructions and transmit them to the processor 1601 .
  • the processor 1601 executes the code instructions to cause the communication device 1600 to perform the method described in the above method embodiment.
  • the processor 1601 may include a transceiver for implementing receiving and transmitting functions.
  • the transceiver may be a transceiver circuit, an interface, or an interface circuit.
  • the transceiver circuits, interfaces or interface circuits used to implement the receiving and transmitting functions can be separate or integrated together.
  • the above-mentioned transceiver circuit, interface or interface circuit can be used for reading and writing codes/data, or the above-mentioned transceiver circuit, interface or interface circuit can be used for signal transmission or transfer.
  • the processor 1601 may store a computer program 1603, and the computer program 1603 runs on the processor 1601, causing the communication device 1600 to perform the method described in the above method embodiment.
  • the computer program 1603 may be solidified in the processor 1601, in which case the processor 1601 may be implemented by hardware.
  • the communication device 1600 may include a circuit, which may implement the functions of sending or receiving or communicating in the foregoing method embodiments.
  • the processor and transceiver described in this application can be implemented in integrated circuits (ICs), analog ICs, radio frequency integrated circuits RFICs, mixed signal ICs, application specific integrated circuits (ASICs), printed circuit boards ( printed circuit board (PCB), electronic equipment, etc.
  • the processor and transceiver can also be manufactured using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), n-type metal oxide-semiconductor (NMOS), P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS complementary metal oxide semiconductor
  • NMOS n-type metal oxide-semiconductor
  • PMOS P-type Metal oxide semiconductor
  • BJT bipolar junction transistor
  • BiCMOS bipolar CMOS
  • SiGe silicon germanium
  • GaAs gallium arsenide
  • the communication device described in the above embodiments may be a network device or a terminal device, but the scope of the communication device described in the present application is not limited thereto, and the structure of the communication device may not be limited by FIG. 16.
  • the communication device may be an independent device or may be part of a larger device.
  • the communication device may be:
  • the IC collection may also include storage components for storing data and computer programs;
  • the communication device may be a chip or a chip system
  • the schematic structural diagram of the chip shown in FIG. 17 refer to the schematic structural diagram of the chip shown in FIG. 17 .
  • the chip shown in Figure 17 includes a processor 1701 and an interface 1702.
  • the number of processors 1701 may be one or more, and the number of interfaces 1702 may be multiple.
  • the chip also includes a memory 1703, which is used to store necessary computer programs and data.
  • This application also provides a readable storage medium on which instructions are stored. When the instructions are executed by a computer, the functions of any of the above method embodiments are implemented.
  • This application also provides a computer program product, which, when executed by a computer, implements the functions of any of the above method embodiments.
  • the computer program product includes one or more computer programs.
  • the computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
  • the computer program can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the computer program can be transmitted from a website site, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (digital subscriber line, DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) mode to another website site, computer, server or data center.
  • the computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server or data center that includes one or more available media integrated.
  • the available medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a high-density digital video disc (DVD)), or a semiconductor medium (e.g., a solid state disk (SSD)), etc.
  • a magnetic medium e.g., a floppy disk, a hard disk, a magnetic tape
  • an optical medium e.g., a high-density digital video disc (DVD)
  • DVD high-density digital video disc
  • SSD solid state disk
  • At least one in the present application can also be described as one or more, and a plurality can be two, three, four or more, which is not limited in the present application.
  • the technical features in the technical feature are distinguished by “first”, “second”, “third”, “A”, “B”, “C” and “D”, etc., and there is no order of precedence or size between the technical features described by the "first”, “second”, “third”, “A”, “B”, “C” and “D”.
  • the corresponding relationships shown in each table in this application can be configured or predefined.
  • the values of the information in each table are only examples and can be configured as other values, which are not limited by this application.
  • the corresponding relationships shown in some rows may not be configured.
  • appropriate deformation adjustments can be made based on the above table, such as splitting, merging, etc.
  • the names of the parameters shown in the titles of the above tables may also be other names understandable by the communication device, and the values or expressions of the parameters may also be other values or expressions understandable by the communication device.
  • other data structures can also be used, such as arrays, queues, containers, stacks, linear lists, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables or hash tables. wait.
  • Predefinition in this application can be understood as definition, pre-definition, storage, pre-storage, pre-negotiation, pre-configuration, solidification, or pre-burning.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

La présente divulgation concerne un procédé/appareil/dispositif de rapport et un support de stockage. Le procédé comprend : le rapport d'informations d'indication à un dispositif de réseau (201), les informations d'indication étant utilisées pour indiquer si une charge utile d'une MsgA et/ou un préambule de la MsgA dans la procédure d'accès aléatoire en 2 étapes sont envoyés avec succès. Dans le procédé selon la présente divulgation, lorsque la procédure d'accès aléatoire en 2 étapes revient à la procédure d'accès aléatoire en 4 étapes dans un dispositif terminal, sur la base des informations d'indication, le dispositif de réseau peut déterminer une raison spécifique pour laquelle la procédure d'accès aléatoire en 2 étapes retombe à la procédure d'accès aléatoire en 4 étapes, et exécuter un ajustement d'optimisation correspondant sur la base de la raison spécifique, de façon à améliorer l'efficacité de l'accès aléatoire ultérieur.
PCT/CN2022/120607 2022-09-22 2022-09-22 Procédé/appareil/dispositif de rapport et support de stockage Ceased WO2024060143A1 (fr)

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PCT/CN2022/120607 WO2024060143A1 (fr) 2022-09-22 2022-09-22 Procédé/appareil/dispositif de rapport et support de stockage

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