WO2020164535A1 - 随机接入处理方法、装置、终端、网络设备及存储介质 - Google Patents

随机接入处理方法、装置、终端、网络设备及存储介质 Download PDF

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Publication number
WO2020164535A1
WO2020164535A1 PCT/CN2020/075025 CN2020075025W WO2020164535A1 WO 2020164535 A1 WO2020164535 A1 WO 2020164535A1 CN 2020075025 W CN2020075025 W CN 2020075025W WO 2020164535 A1 WO2020164535 A1 WO 2020164535A1
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WIPO (PCT)
Prior art keywords
random access
information
message
access process
traditional
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Ceased
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PCT/CN2020/075025
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English (en)
French (fr)
Chinese (zh)
Inventor
吴昱民
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Priority to JP2021547114A priority Critical patent/JP7340615B2/ja
Priority to BR112021016082-5A priority patent/BR112021016082A2/pt
Priority to PH1/2021/551977A priority patent/PH12021551977A1/en
Priority to EP20755227.4A priority patent/EP3927096A4/en
Publication of WO2020164535A1 publication Critical patent/WO2020164535A1/zh
Priority to US17/400,641 priority patent/US12016056B2/en
Anticipated expiration legal-status Critical
Priority to US18/657,348 priority patent/US20240292471A1/en
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H04W74/0841—Random access procedures, e.g. with 4-step access with collision treatment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H04W74/0836—Random access procedures, e.g. with 4-step access with 2-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H04W74/0838—Random access procedures, e.g. with 4-step access using contention-free random access [CFRA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/18—Management of setup rejection or failure

Definitions

  • the embodiments of the present disclosure relate to the communication field, and in particular, to a random access processing method, device, terminal, network device, and storage medium.
  • the terminal After triggering the random access procedure, the terminal can select among multiple different types of random access procedures. For example, after the terminal triggers the random access process, it first selects the message A (MsgA) resource of the new two-step random access process (2-Step Random Access Channel, 2-Step RACH) to initiate the random access process. If the random access process fails, the terminal can select the message 1 (Msg1) resource of the traditional four-step random access process, for example, select the physical random access channel (PRACH) resource of the traditional four-step random access process Initiate a random access procedure.
  • MsgA message A
  • 2-Step Random Access Channel 2-Step RACH
  • the terminal records the failure information as a part of the radio link failure report (rlf-Report). Then, when the terminal initiates connection re-establishment, it indicates in the connection re-establishment complete message whether there is a radio link failure report, that is, the connection re-establishment complete message includes whether there is a radio link failure report (rlf-InfoAvailable) indication information.
  • the network side receives the information, if the network side needs to obtain the radio link failure report, the network side sends a request message (rlf-ReportReq) to request the terminal to report the radio link failure report.
  • the terminal reports the wireless link failure report to the network side according to the request information from the network side.
  • the content of the above wireless link failure report includes:
  • the type of failure such as random access failure or physical layer failure
  • GNSS Global Navigation Satellite System
  • the terminal records the failure information as a part of the wireless link failure report, it cannot solve the problem of abnormal connection between the terminal and the network.
  • the embodiments of the present disclosure provide a random access processing method, device, terminal, network equipment, and storage medium to solve the technical problem of abnormal connection between the terminal and the network.
  • some embodiments of the present disclosure also provide a random access processing method, and the foregoing method includes:
  • the random access process information corresponding to the type of the random access process is reported to the network side.
  • some embodiments of the present disclosure provide a random access processing method, and the foregoing method includes:
  • the configuration information of the random access process is modified according to the random access process information.
  • some embodiments of the present disclosure provide a random access processing device, and the foregoing device includes:
  • the information reporting module is used to report the random access process information corresponding to the type of the random access process to the network side if the result of the random access process is generated.
  • some embodiments of the present disclosure provide a random access processing apparatus, and the foregoing apparatus includes:
  • An information receiving module for receiving random access process information corresponding to the type of random access process from the terminal
  • the information correction module is used to correct the configuration information of the random access process according to the information of the random access process.
  • some embodiments of the present disclosure provide a terminal, including a processor, a memory, and a computer program stored on the foregoing memory and capable of running on the foregoing processor.
  • the foregoing computer program is executed by the foregoing processor to realize the foregoing The steps of the random access processing method.
  • some embodiments of the present disclosure provide a network device, including a processor, a memory, and a computer program stored on the above-mentioned memory and capable of running on the above-mentioned processor. The steps of the random access processing method described above.
  • some embodiments of the present disclosure provide a computer-readable storage medium, and the computer-readable storage medium stores a computer program, and the computer program is executed by a processor to implement the steps of the random access processing method.
  • the configuration information of the random access process can be optimized for the type of random access process, so as to solve the problem of terminal and The network connection is abnormal. Further, when the random access process fails, the configuration information of the random access process is optimized, so that the connection between the terminal and the network can be reestablished, and the normal operation of the communication service is ensured.
  • Fig. 1 shows a schematic flowchart of a random access processing method according to an embodiment of the present disclosure
  • Figure 2 shows a schematic flow chart of a new two-step random access procedure according to an embodiment of the present disclosure
  • Fig. 3 shows a schematic flow chart of a traditional two-step random access procedure according to an embodiment of the present disclosure
  • Fig. 4 shows a schematic flow chart of a traditional four-step random access procedure according to an embodiment of the present disclosure
  • FIG. 5 shows a schematic flowchart of a random access processing method according to another embodiment of the present disclosure
  • FIG. 6 shows a schematic flowchart of a random access processing method according to another embodiment of the present disclosure
  • FIG. 7 shows a schematic flowchart of a random access processing method according to still another embodiment of the present disclosure.
  • FIG. 8 shows a schematic flowchart of a random access processing method according to still another embodiment of the present disclosure.
  • FIG. 9 shows a schematic structural diagram of a random access processing apparatus according to an embodiment of the present disclosure.
  • FIG. 10 shows a schematic structural diagram of a random access processing apparatus according to another embodiment of the present disclosure.
  • FIG. 11 is a schematic diagram of the hardware structure of a terminal for implementing some embodiments of the present disclosure.
  • Fig. 1 shows a schematic flowchart of a random access processing method provided by an embodiment of the present disclosure. As shown in Figure 1, the random access processing method includes S101 and S102.
  • the terminal reports random access process information corresponding to the type of the random access process to the network side, and the device on the network side may be a base station or a core network device.
  • S102 The network side modifies the configuration information of the random access process according to the random access process information. That is, the random access process information is used to indicate to modify the configuration information of the random access process.
  • the type of random access process includes one or a combination of the following: new two-step random access process, traditional four-step random access process, traditional two-step random access process, random access for time information calibration Into the process.
  • the new two-step random access procedure includes S201 to S203.
  • the network side configures the terminal with configuration information of the new two-step random access process, the configuration information includes the transmission resource information corresponding to the message A (MsgA) and the transmission resource information corresponding to the message B.
  • the configuration information includes the transmission resource information corresponding to the message A (MsgA) and the transmission resource information corresponding to the message B.
  • S202 The terminal triggers a new two-step random access procedure.
  • the terminal sends MsgA to the network side, for example, sends MsgA data information through a Physical Uplink Shared Channel (PUSCH).
  • MsgA is sent through PRACH.
  • MsgA includes data and terminal ID.
  • the network side sends a confirmation message B (MsgB) to the terminal.
  • the MsgB may include contention resolution information corresponding to the MsgA data information. If the terminal fails to receive MsgB, the terminal triggers a new two-step random access procedure again.
  • the MsgB of the new two-step random access procedure only contains the preamble identifier of the terminal’s MsgA, but does not contain information for contention resolution, for example, the MsgB of the new two-step random access procedure Without the contention resolution Media Access Control Control Element (MAC CE)
  • the terminal falls back to the traditional random access process, for example, using the uplink authorization information in MsgB to send the message of the traditional four-step random access process 3(Msg3).
  • non-competitive random access is also called traditional two-step random access process
  • competitive random access is also called traditional four-step random access. process.
  • the traditional two-step random access procedure includes S301 to S303.
  • S301 The network side sends a message 0 (Msg0) to the terminal, where the network side allocates a dedicated random access resource for non-competitive random access to the terminal, and the dedicated random access resource is a random access preamble (Random Access Preamble) .
  • Msg0 message 0
  • the dedicated random access resource is a random access preamble (Random Access Preamble) .
  • S302 The terminal sends a designated dedicated random access signal message 1 (Msg1) on the designated random access resource to the network side according to the random access resource indicated by Msg0. After sending Msg1, the terminal calculates the identification information of the network side scheduling message 2 (Msg2) according to the location of the sending time and frequency of Msg1.
  • the identification information is Random Access Radio Network Temporary Identity, RA-RNTI ). Among them, the calculation method of RA-RNTI is as follows:
  • RA-RNTI 1+t_id+10 ⁇ f_id
  • t_id is the subframe identifier of the random access signal
  • f_id is the frequency domain identifier of the random access signal
  • the terminal After sending Msg1, the terminal monitors the downlink channel in a fixed window to obtain feedback information Msg2 from the network side.
  • the fixed window may be a random access response window (Random Access Response window, RAR window), and the starting position of the RAR window is the subframe where the message 1 is sent to end plus 3 subframes, and the length is the length configured by the network.
  • RAR window Random Access Response window
  • the network side sends Msg2 to the terminal.
  • the Msg2 is a random access response (Random Access Response, RAR).
  • the random access response includes: Msg1 identification information, uplink timing advance information (Timing Advance Command), and uplink transmission authorization information (UL Grant), Backoff Information (Backoff Indicator), and Temporary Cell Radio Network Temporary Identifier (Temporary C-RNTI).
  • the Msg1 identification information may be a random access preamble code (Random Access Preamble ID, RAPID). If the terminal fails to receive the RAR, it will determine the next time to send random access according to the fallback information indicated in the RAR.
  • the traditional four-step random access procedure includes S401 to S404.
  • S401 The terminal selects a random access resource and uses the random access resource to send a selected random access signal to the network side, where the random access signal is message 1 (Msg1).
  • Msg1 message 1
  • the calculation method of RA-RNTI and the random access response window is the same as the calculation method in the traditional two-step random access process, and will not be repeated here.
  • the network side receives Msg1, calculates a timing advance (Timing Advance, TA), and sends a random access response to the terminal.
  • the random access response is message 2 (Msg2), and the random access response contains at least the timing advance Amount information and uplink scheduling grant (UL grant) for message 3 (Msg3).
  • S403 The terminal sends uplink transmission on the UL grant specified by Msg2, and the content of Msg3 uplink transmission is different under different random access trigger conditions. For example, for initial access, Msg3 transmits a radio resource control (Radio Resource Control, RRC) connection establishment request .
  • RRC Radio Resource Control
  • S404 The network side sends a message 4 (Msg4) to the terminal, where the message 4 is a contention resolution (Contention Resolution) message, and the terminal can judge whether the random access is successful according to the Msg4.
  • Msg4 message 4
  • contention resolution Contention Resolution
  • the network sends a system message to the terminal, for example, the system message is a system information block (System Information Block, SIB) 16.
  • SIB System Information Block
  • the system message can indicate the reference time amount, for example, the reference time amount is Treference; where the reference time amount can include one or a combination of the following: Coordinated Universal Time (UTC) time, sunlight saving time or summer time System (Daylight Saving Time, DST) time, Global Positioning System (Global Positioning System, GPS) time, local time.
  • UTC Coordinated Universal Time
  • DST Daylight Saving Time
  • GPS Global Positioning System
  • the protocol stipulates that the time position corresponding to the reference time amount received by the terminal is: the end boundary of the system message sending window of the system message The boundary of the System Frame Number (SFN).
  • SFN System Frame Number
  • the position of the SIB16 where the terminal receives the reference time information is (SFN_2, Subframe_1), and the system message sending window of the SIB16 is 10 subframes (subframe, there are 10 subframes in 1 SFN)
  • the terminal receives the reference time information
  • the SIB16 corresponding to the end boundary of the system message window is (SFN_3, Subframe_1), and the reference time received by the terminal corresponds to the end boundary time of SFN_3.
  • the time information provided by the network side to the terminal comes from a specific clock source.
  • the clock source of the GPS time is a GPS satellite;
  • the UTC time provided by the network side to the terminal is The clock source may be an atomic clock that can provide UTC time connected to a network side device (for example, a base station or a core network device).
  • a network side device for example, a base station or a core network device.
  • Different clock sources can provide the same or different types of time information.
  • clock source 1 and clock source 2 can both provide UTC time.
  • the accuracy of the time information provided can be the same or different.
  • the granularity (or accuracy) of UTC time provided by clock source 1 is 1 second
  • the clock The granularity (or precision) of UTC time provided by Source 2 is 1 microsecond.
  • the terminal can obtain uplink timing information by initiating a non-competitive random access process.
  • the uplink timing information may be uplink timing information with higher accuracy than the uplink timing information of the traditional random access process.
  • the network side can configure new (or independent) random access configuration information for the new random access process (the new random access process is the random access process used for time information calibration), so that the terminal initiates Random access process for time information calibration.
  • the random access process information corresponding to the type of the random access process is reported to modify the configuration information of the random access process, so as to realize the random access process for the type of random access process.
  • the configuration information of the import process is optimized to solve the problem of abnormal connection between the terminal and the network. Further, when the random access process fails, the configuration information of the random access process is optimized, so that the connection between the terminal and the network can be reestablished, and the normal operation of the communication service is ensured.
  • Fig. 5 shows a schematic flowchart of a random access processing method according to another embodiment of the present disclosure. As shown in FIG. 5, the random access processing method includes S501 to S503.
  • S501 The terminal initiates a random access process according to the configuration information of the random access process configured on the network side.
  • the terminal sends a random access request message to the network side. If the number of times the random access request message is sent is equal to or greater than the threshold configured by the network, the random access process initiated by the terminal fails. For example, if the value PREAMBLE_TRANSMISSION_COUNTER counted by the transmission counter of Msg1 or MsgA exceeds the threshold "preambleTransMax" configured by the network, the random access procedure initiated by the terminal fails.
  • the terminal records the random access process information corresponding to the type of the random access process, and reports it to the network side.
  • the random access process information includes any combination of one or more of the following: random access process type information, random access process trigger event information, random access process record information, geographic location information of the terminal, measurement information of the terminal, Terminal speed information, terminal identification information.
  • the random access process type information includes any combination of one or more of the following: new two-step random access process, traditional four-step random access process, traditional two-step random access process, random for time information calibration Access process.
  • the random access process trigger event information includes the following or any combination of multiple items:
  • Connection re-establishment for example, RRC connection re-establishment triggered by a terminal radio link failure
  • Cell handover for example, the network side sends a handover command to switch the terminal from cell 1 to cell 2;
  • the behavior on the terminal is out of synchronization status; for example, when the downlink data of a high-priority service arrives, the behavior on the terminal is out of synchronization state;
  • the information about the out-of-synchronization state of the behavior on the terminal for example, the uplink data of the high-priority service arrives, and the out-of-synchronization state of the behavior on the terminal;
  • Terminal state transition for example, the terminal enters the connected state from the RRC_INACTIVE state
  • the terminal's SCell1 has independent uplink synchronization timing, and the base station triggers the terminal to initiate a random access process to obtain the uplink timing advance (TA, Timing Advance) in the SCell .
  • TA Timing Advance
  • System information request for example, the terminal requests the network side to send SIB5.
  • Beam failure recovery for example, the terminal has a beam failure.
  • the random access process record information includes the record information of the new two-step random access process.
  • the record information of the new two-step random access process is the failed process record information.
  • the random access process record information includes the record information of the traditional four-step random access process.
  • the record information of the traditional four-step random access process is the failure process record information.
  • the random access process record information includes the record information of the traditional two-step random access process.
  • the record information of the traditional two-step random access process is the failure process record information.
  • the random access process record information includes at least one of the following: the record information of the new two-step random access process, the traditional four-step random access process The record information of one-step random access process, the total record information of the new two-step random access process and the traditional four-step random access process.
  • the new two-step random access process and the traditional four-step random access process are both failed random access processes, the total recorded information is the new two-step random access process and the traditional four-step random access process. The total failure process of the access process records information.
  • the record information of the new two-step random access process includes any combination of one or more of the following:
  • the judgment condition for the failure of MsgA transmission includes: when MsgB is received (for example, within the random access response message receiving time window), the contention resolution information corresponding to the MsgA data information is not received. For example, the contention resolution information corresponding to the MsgA data information is not received within the receiving time window of the random access response message.
  • the judgment condition for the failure of sending the MsgA control information includes: the control information identifier of the MsgA is not received when the MsgB is received.
  • the judgment condition for the failure of sending the MsgA control information includes: RAPID is not received within the receiving time window of the random access response message.
  • the judging condition for the successful transmission of the MsgA control information includes: the control information identifier of the MsgA is received in the MsgB. For example, RAPID is received in MsgB.
  • the judgment condition for the failure of sending the MsgA data information includes: when the MsgB is received (for example, within the receiving time window of the random access response message), the contention resolution information corresponding to the MsgA data information is not received. For example, the contention resolution information corresponding to the MsgA data information is not received within the receiving time window of the random access response message.
  • the judgment condition for detecting the occurrence of competition includes: when the MsgB is received, the contention resolution information corresponding to the MsgA data information is not received. For example, the contention resolution information corresponding to the MsgA data information is not received within the receiving time window of the random access response message.
  • the judgment condition for the successful transmission of the MsgA data information includes: the contention resolution information corresponding to the MsgA data information is received in the MsgB.
  • the sender For unlicensed frequency bands, the sender needs to monitor whether the frequency band is occupied before sending a signal. If it is not occupied, the sender can send signals. If the monitored frequency band is occupied, the sender cannot send the signal, which can be called a channel access failure, or it can be called a listen-before-talk failure (LBT failure).
  • LBT failure listen-before-talk failure
  • the channel access failure information of the new two-step random access process includes any combination of one or more of the following: MsgA sends indication information about whether channel access failure occurs, MsgA sends the number of channel access failures, and MsgA control information sends Indication of whether channel access failure occurred, the number of channel access failures occurred in the transmission of MsgA control information, indicator information whether channel access failure occurred in the transmission of MsgA data information, the number of channel access failures occurred in the transmission of MsgA data information, and MsgB reception Indication information about whether channel access failure occurs, the number of times the channel access failure occurs during MsgB reception, and the frequency information about the channel access failure occurrence.
  • the frequency information where the channel access failure occurs includes any combination of one or more of the following: frequency information where channel access failure occurs for MsgA, frequency information where channel access failure occurs for MsgA control information, and channel access occurs for MsgA data information Information on the frequency of failure, and information on the frequency of channel access failure in MsgB.
  • the frequency information includes any combination of one or more of the following: frequency point identifier, bandwidth identifier, frequency band identifier, band part identifier (BWP, Bandwidth Part), and cell identifier.
  • the frequency point identifier is f1
  • the bandwidth identifier is 20MHz
  • the frequency band identifier is Band1
  • the frequency band part identifier is BWP1
  • the cell identifier is cell1.
  • the record information of the traditional four-step random access process includes any combination of one or more of the following:
  • the judgment conditions for Msg1 sending failure include any of the following conditions:
  • the first condition the control information identifier of Msg1 is not received when Msg2 is received. For example, RAPID is not received within the receiving time window of the random access response message.
  • the second condition The corresponding contention resolution information was not received when Msg4 was received. For example, no corresponding contention resolution information is received within the contention resolution time window.
  • the judgment conditions for detecting competition include any of the following conditions:
  • the first condition the control information identifier of Msg1 is not received when Msg2 is received. For example, RAPID is not received within the receiving time window of the random access response message.
  • the second condition The corresponding contention resolution information was not received when Msg4 was received. For example, no corresponding contention resolution information is received within the contention resolution time window.
  • the judgment condition for the failure of sending Msg3 includes: the corresponding contention resolution information is not received when Msg4 is received. For example, no corresponding contention resolution information is received within the contention resolution time window.
  • the channel access failure information of the traditional four-step random access process includes any combination of one or more of the following:
  • Msg1 sends indication information whether channel access failure occurs; or Msg3 sends indication information whether channel access failure occurs;
  • Msg2 receives the indication information whether channel access failure occurs; or Msg4 receives the indication information whether channel access failure occurs;
  • the frequency information where channel access failure occurs includes any combination of one or more of the following: frequency information where channel access failure occurs in Msg1, frequency information where channel access failure occurs in Msg2, frequency information where channel access failure occurs in Msg3, Msg4 frequency information of channel access failure.
  • the frequency information includes any combination of one or more of the following: frequency point identification, bandwidth identification, frequency band identification, frequency band part identification, and cell identification.
  • the frequency point identifier is f1
  • the bandwidth identifier is 20MHz
  • the frequency band identifier is Band1
  • the frequency band part identifier is BWP1
  • the cell identifier is cell1.
  • the record information of the traditional two-step random access process includes any combination of one or more of the following:
  • the judgment condition for the failure of sending Msg1 includes: the control information identifier of Msg1 is not received when Msg2 is received.
  • the judgment condition for the failure of sending Msg1 includes: the RAPID of Msg1 is not received within the random access response message receiving time window.
  • the judging condition for detecting the occurrence of competition includes: not receiving the control information identifier of Msg1 when receiving Msg2.
  • the judgment condition for detecting the occurrence of contention includes: the RAPID of Msg1 is not received within the random access response message receiving time window.
  • the channel access failure information of the traditional two-step random access process includes any combination of one or more of the following: Msg1 transmission indicating whether channel access failure occurs, the number of channel access failures occurring during Msg1 transmission, and whether Msg2 reception occurs Channel access failure indication information, Msg2 receiving channel access failure number of times, channel access failure frequency information.
  • the frequency information where the channel access failure occurs includes the frequency information where the channel access failure occurs in Msg1 and/or the frequency information where the channel access failure occurs in Msg2.
  • the frequency information includes any combination of one or more of the following: frequency point identification, bandwidth identification, frequency band identification, frequency band part identification, and cell identification.
  • the frequency point identifier is f1
  • the bandwidth identifier is 20MHz
  • the frequency band identifier is Band1
  • the frequency band part identifier is BWP1
  • the cell identifier is cell1.
  • the total record information of the new two-step random access process and the traditional four-step random access process includes any combination of one or more of the following:
  • the total number of transmissions of random access messages which includes the sum of the number of transmissions of MsgA corresponding to the new two-step random access process and the number of transmissions of Msg1 corresponding to the traditional four-step random access process;
  • the number of times of contention includes the number of competitions detected in the new two-step random access process and the number of competitions detected in the traditional four-step random access process. Sum of times
  • the meaning of falling back from the new two-step random access process to the traditional four-step random access process is that the random access request message of the terminal is the MsgA of the new two-step random access process sent, but because the terminal did not receive MsgB Msg3 is initiated by the contention resolution information in the traditional four-step random access process.
  • the random access process information reported by the terminal includes: the number of initiation of the new two-step random access process, the type indication of the new two-step random access process, the number of MsgA transmissions, The number of successful or failed sending of MsgA data information, the number of successful or failed sending of MsgA control information, whether a competition (or conflict) has been detected, the number of times a competition (or conflict) has been detected, whether a fallback to the traditional four steps has occurred.
  • the geographic location information of the terminal includes any combination of one or more of the following:
  • the cell identification information of the terminal includes: Physical Cell Identifier (PCI), Cell Global Identifier (CGI), and frequency;
  • PCI Physical Cell Identifier
  • CGI Cell Global Identifier
  • the coordinate location information of the terminal for example, the coordinate location information includes Global Positioning System (Global Positioning System, GPS) coordinates.
  • Global Positioning System Global Positioning System, GPS
  • the measurement information of the terminal includes any combination of one or more of the following:
  • the measurement information of the serving cell or the measurement information of the serving frequency for example, the measurement information of the serving cell 1 or the measurement information of the serving frequency 1.
  • Measurement information of neighboring cells or measurement information of neighboring frequency points for example, measurement information of neighboring cell 1 or measurement information of neighboring frequency point 1.
  • Measurement information corresponding to the serving cell reference signal or, measurement information corresponding to the serving frequency reference signal; or, measurement information corresponding to the neighboring cell reference signal; or, measurement information corresponding to the neighboring frequency reference signal.
  • SSB Synchronous Signal Block
  • CSI-RS Channel State Information-Reference Signal
  • the identification of the reference signal corresponding to the random access resource of the random access process that failed is SSB1.
  • the measurement information of the reference signal corresponding to the random access resource of the random access process that failed includes the Reference Symbol Received Power (RSRP) of SSB1 and the Reference Signal Received Quality (RSRQ) of SSB1.
  • RSRP Reference Symbol Received Power
  • RSRQ Reference Signal Received Quality
  • the number of reference signal identifiers exceeding the threshold value of the network configuration for reference signal selection is -20dBm
  • the SSB identifiers exceeding the threshold value are SSB1 and SSB2
  • the number of SSB identifiers exceeding the threshold value is two.
  • the RSRP threshold configured on the network side is -20dBm
  • the SSB identifiers exceeding the threshold are SSB1 and SSB2
  • the number of SSB identifiers exceeding the threshold is two.
  • the above-mentioned reference signal includes: SSB and/or CSI-RS.
  • the above measurement information includes any combination of one or more of the following: RSRP, RSRQ, Received Signal Strength Indicator (RSSI), Channel Busy Ratio (CBR), Channel Occupancy Ratio ( Channel Occupancy Ratio, CR).
  • RSSI Received Signal Strength Indicator
  • CBR Channel Busy Ratio
  • Occupancy Ratio Channel Occupancy Ratio, CR.
  • the identification information of the terminal includes any combination of one or more of the following: International Mobile Subscriber Identity (IMSI), Temporary Mobile Subscriber Identity (TMSI), System Architecture Evolution Temporary Mobile Subscription Identity (System Architecture Evolution, Mobile Subscription Identifier, SAE TMSI, S-TMSI for short), 5G-S-TMSI, Radio Network Temporary Identity (RNTI).
  • IMSI International Mobile Subscriber Identity
  • TMSI Temporary Mobile Subscriber Identity
  • SAE TMSI System Architecture Evolution Temporary Mobile Subscription Identity
  • 5G-S-TMSI Radio Network Temporary Identity
  • S503 The network side modifies the configuration information of the random access process according to the random access process information.
  • the random access processing method may further include: a network node on the network side receives the random access process information, and sends the random access process information to other network nodes.
  • a network node on the network side receives the random access process information, and sends the random access process information to other network nodes.
  • the base station gNB1 receives the random access process information, and sends the random access process information to the base station gNB2 corresponding to the cell 1 where the random access occurs.
  • FIG. 6 shows a schematic flowchart of a random access processing method according to another embodiment of the present disclosure. As shown in FIG. 6, the random access processing method includes S601 to S605.
  • S601 The terminal initiates a random access process according to the configuration information of the random access process configured on the network side.
  • S602 The terminal sends to the network side information indicating whether there is random access process information of a failed random access process.
  • the terminal records the random access process information corresponding to the type of the random access process, and sends indication information with the random access process information to the network side.
  • the terminal initiating the random access process includes the terminal sending a random access request message to the network side. If the number of times of sending the random access request message is equal to or greater than the threshold configured by the network, the random access process initiated by the terminal fails.
  • the terminal records the random access process information and indicates to the network side that there is random access process information to be reported. Among them, the terminal indicates in the RRC connection re-establishment complete message whether there is random access process information to be reported; or, in the RRC connection recovery complete message, the terminal indicates whether there is random access process information to be reported; or, the terminal establishes an RRC connection
  • the completion message indicates whether there is random access process information to be reported.
  • the rlf-InfoAvailable indication information can be used to indicate whether there is random access procedure information to be reported.
  • S603 The network side sends request information to the terminal according to the instruction information of S602, or the network side spontaneously sends the request information to the terminal.
  • the request information is used to request the terminal to report random access process information.
  • the network side sends rlf-ReportReq request information to the terminal.
  • S604 The terminal sends random access process information to the network side according to the request information, where the random access process information is random access process information of the failed random access process.
  • S605 The network side modifies the configuration information of the random access process according to the random access process information.
  • the random access processing method further includes: a network node on the network side receives the random access process information, and sends the random access process information to other network nodes.
  • a network node on the network side receives the random access process information, and sends the random access process information to other network nodes.
  • the base station gNB1 receives the random access process information of the failed random access process, and sends the random access process information to the base station gNB2 corresponding to the cell 1 where the random access occurs.
  • FIG. 7 shows a schematic flowchart of a random access processing method according to still another embodiment of the present disclosure. As shown in FIG. 7, the random access processing method includes S701 to S703.
  • S701 The terminal initiates a random access process according to the configuration information of the random access process configured on the network side.
  • S702 The terminal sends random access process information corresponding to the type of the random access process to the network side.
  • the random access process includes: a successfully completed random access process and/or a failed random access process.
  • a successfully completed random access process may be a random access process agreed by a network configuration or protocol
  • a failed random access process may be a random access process agreed by a network configuration or a protocol.
  • the terminal reports the random access process information of the last failed random access process to the network side.
  • the terminal reports the random access process information of the random access process that failed most recently in a specific geographic location to the network side.
  • the terminal reports the random access process information of the random access process that failed most recently in cell 1 to the network side.
  • the terminal reports the random access process information of the most recently successfully completed random access process to the network side.
  • the terminal reports the random access process information of the most recently successfully completed random access process in a specific geographic location to the network side.
  • the terminal reports the random access process information of the most recently successfully completed random access process in cell 1 to the network side.
  • the random access process record information includes the record information of the new two-step random access process. If the new two-step random access process is a successful random access process, the record information of the new two-step random access process is the successful process record information.
  • the random access process record information includes the record information of the traditional four-step random access process. If the traditional four-step random access process is a successful random access process, the record information of the traditional four-step random access process is the successful process record information.
  • the random access process record information includes the record information of the traditional two-step random access process. If the traditional two-step random access process is a successful random access process, the record information of the traditional two-step random access process is the successful process record information.
  • the random access process record information includes at least one of the following: the record information of the new two-step random access process, the traditional four-step random access process The record information of the random access process, the total record information of the new two-step random access process and the traditional four-step random access process. If the new two-step random access process and the traditional four-step random access process are successful random access processes, the total recorded information is the total success process of the new two-step random access process and the traditional four-step random access process record information.
  • the total record information of the successful process is the same as the total record information of the failed process, and will not be repeated here.
  • S703 The network side corrects the configuration information of the random access process according to the random access process information.
  • the terminal reports the random access process information of the failed random access process to the network side.
  • the terminal reports the random access process information of the successfully completed random access process to the network side, so that the configuration information of the random access process can be modified to optimize the configuration information. For example, the number of random access procedures initiated by the terminal to the network side is greater than the threshold.
  • the random access process information of the successfully completed random access process includes any combination of one or more of the following:
  • Random access process type information For example, the types of random access procedures include traditional four-step random access procedures and/or new two-step random access procedures.
  • random access process type information of the successfully completed random access process is the same as the random access process type information of the failed random access process, and will not be repeated here.
  • the random access process triggers event information.
  • the terminal's random access process trigger event is initial access.
  • random access process trigger event information of the successfully completed random access process is the same as the random access process trigger event information of the failed random access process, and will not be repeated here.
  • the random access process record information includes the number of attempts of the random access process, for example, the successful process record information includes the number of times MsgA is sent.
  • random access process record information of the successfully completed random access process is the same as the random access process record information of the failed random access process, and will not be repeated here.
  • the geographic location information of the terminal includes the service cell identity of the terminal.
  • the geographic location information of the terminal of the successfully completed random access process is the same as the geographic location information of the terminal of the failed random access process, and will not be repeated here.
  • the measurement information of the terminal includes the RSRP measurement result of the serving cell of the terminal.
  • the measurement information of the terminal of the successfully completed random access process is the same as the measurement information of the terminal of the failed random access process, which will not be repeated here.
  • the speed information of the terminal includes the horizontal speed and/or the vertical speed of the terminal, and the horizontal or vertical speed is 10 kilometers per second.
  • the speed information of the terminal of the successfully completed random access process is the same as the speed information of the terminal of the failed random access process, which will not be repeated here.
  • the identification information of the terminal includes the C-RNTI of the terminal.
  • identification information of the terminal of the successfully completed random access process is the same as the identification information of the terminal of the failed random access process, which will not be repeated here.
  • FIG. 8 shows a schematic flowchart of a random access processing method according to still another embodiment of the present disclosure. As shown in FIG. 8, the random access processing method includes S801 to S805.
  • S801 The terminal initiates a random access process according to the configuration information of the random access process configured on the network side.
  • S802 The terminal sends to the network side information indicating whether there is random access process information.
  • the terminal records the random access process information of the failed random access process. If the terminal successfully completes the random access process, the terminal records the random access process information of the successfully completed random access process.
  • the two kinds of random access process information are related to the type of the random access process. Corresponding random access process information.
  • the terminal After the terminal records the random access process information, it sends indication information with the random access process information to the network side.
  • S803 The network side sends request information to the terminal according to the instruction information of S802, or the network side spontaneously sends the request information to the terminal.
  • the request information is used to request the terminal to report random access process information.
  • the terminal sends random access process information corresponding to the type of the random access process to the network side.
  • the random access process includes: a successfully completed random access process and a failed random access process.
  • S805 The network side modifies the configuration information of the random access process according to the random access process information.
  • the random access processing method further includes: a network node on the network side receives the random access process information, and sends the random access process information to other network nodes.
  • a network node on the network side receives the random access process information, and sends the random access process information to other network nodes.
  • the base station gNB1 receives the random access process information of the failed random access process, and sends the random access process information to the base station gNB2 corresponding to the cell 1 where the random access occurs.
  • Fig. 9 shows a schematic structural diagram of a random access processing apparatus according to an embodiment of the present disclosure.
  • the random access processing device can be used on the terminal side.
  • the random access processing apparatus 900 includes an information reporting module 901.
  • the information reporting module 901 is configured to report random access process information corresponding to the type of random access process to the network side.
  • the random access processing apparatus 900 further includes a first judgment module.
  • the first judging module is used for judging that the control information of message A has failed to be sent if the control information identifier of message A is not received when message B is received.
  • the random access processing apparatus 900 further includes a second judgment module.
  • the second judgment module is used for judging that the control information of message A is sent successfully if the control information identifier of message A is received when message B is received.
  • the random access processing apparatus 900 further includes a third judgment module.
  • the third judgment module is used to judge that if the contention resolution information corresponding to the data information of the message A is not received when the message B is received, it is judged that at least one of the following situations has occurred: the sending of the message A fails, the sending of the data information of the message A fails, or the occurrence is detected Competition.
  • the random access processing apparatus 900 further includes a fourth judgment module.
  • the fourth judging module is used for judging that the data information of message A is sent successfully if the contention resolution information corresponding to the data information of message A is received when message B is received.
  • the random access processing apparatus 900 further includes a fifth judgment module.
  • the fifth judgment module is used for judging that the sending of message 1 fails if at least one of the following conditions is met; the first condition is that the control information identifier of message 1 is not received when message 2 is received; the second condition is that message 4 is received No corresponding contention resolution information was received.
  • the random access processing apparatus 900 further includes a first detection module.
  • the first detection module is configured to detect that a competition has occurred if at least one of the following conditions is met; the first condition is that the control information identifier of message 1 is not received when message 2 is received; the second condition is that when message 4 is received No corresponding contention resolution information was received.
  • the random access processing apparatus 900 further includes a seventh judgment module.
  • the seventh judging module is used for judging that the sending of message 3 fails if the corresponding contention resolution information is not received when message 4 is received.
  • the random access processing apparatus 900 further includes an eighth judgment module.
  • the eighth judgment module is used for judging that the message 1 has failed to be sent if the control information identifier of the message 1 is not received when the message 2 is received.
  • the random access processing apparatus 900 further includes a second detection module.
  • the second detection module is configured to detect that a competition has occurred if the control information identifier of the message 1 is not received when the message 2 is received.
  • the random access processing apparatus 900 further includes an access process fallback module.
  • the access process fallback module is used to send a new two-step random access process message A to the network side, and the contention resolution information in message B is not received, then fall back from the new two-step random access process to the traditional four-step process Random access process.
  • Fig. 10 shows a schematic structural diagram of a random access processing apparatus according to another embodiment of the present disclosure.
  • the random access processing device is used on the network side.
  • the random access processing apparatus 1000 includes an information receiving module 1001 and an information correction module 1002.
  • the information receiving module 1001 is configured to receive random access process information corresponding to the type of random access process from the terminal.
  • the information modification module 1002 is used to modify the configuration information of the random access process according to the random access process information.
  • the random access processing apparatus 1000 further includes an information forwarding module.
  • the information forwarding module is used to send random access process information to other network nodes.
  • FIG. 11 is a schematic diagram of the hardware structure of a terminal for implementing some embodiments of the present disclosure.
  • the terminal 1100 includes, but is not limited to: a radio frequency unit 1101, a network module 1102, an audio output unit 1103, an input unit 1104, a sensor 1105, a display unit 1106, a user input unit 1107, an interface unit 1108, a memory 1109, Processor 1110, and power supply 1111 and other components.
  • a radio frequency unit 1101 a radio frequency unit 1101
  • a network module 1102 an audio output unit 1103, an input unit 1104, a sensor 1105, a display unit 1106, a user input unit 1107, an interface unit 1108, a memory 1109, Processor 1110, and power supply 1111 and other components.
  • the terminal structure shown in FIG. 11 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine certain components, or arrange different components.
  • terminals include, but are not limited to, mobile phones, tablet computers, notebook computers, palmtop computers, vehicle-mounted terminals, wearable devices, and pedometers.
  • the radio frequency unit 1101 is configured to report random access process information corresponding to the type of random access process to the network side.
  • the configuration information of the random access process can be optimized for the type of the random access process. Further, when the random access process fails, the configuration information of the random access process is optimized, so that the connection between the terminal and the network can be reestablished, and the normal operation of the communication service is ensured.
  • the radio frequency unit 1101 can be used for receiving and sending signals in the process of sending and receiving information or talking. Specifically, after receiving downlink data from the network side, it is processed by the processor 1110; In addition, the uplink data is sent to the network side.
  • the radio frequency unit 1101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the radio frequency unit 1101 can also communicate with the network and other devices through a wireless communication system.
  • the terminal provides users with wireless broadband Internet access through the network module 1102, such as helping users to send and receive emails, browse web pages, and access streaming media.
  • the audio output unit 1103 can convert the audio data received by the radio frequency unit 1101 or the network module 1102 or stored in the memory 1109 into audio signals and output them as sounds. Moreover, the audio output unit 1103 may also provide audio output related to a specific function performed by the terminal 1100 (for example, call signal reception sound, message reception sound, etc.).
  • the audio output unit 1103 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 1104 is used to receive audio or video signals.
  • the input unit 1104 may include a graphics processing unit (GPU) 11041 and a microphone 11042, and the graphics processor 11041 is configured to respond to still pictures or video images obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. Data is processed.
  • the processed image frame can be displayed on the display unit 1106.
  • the image frame processed by the graphics processor 11041 may be stored in the memory 1109 (or other storage medium) or sent via the radio frequency unit 1101 or the network module 1102.
  • the microphone 11042 can receive sound, and can process such sound into audio data.
  • the processed audio data can be converted into a format that can be sent to a mobile communication base station via the radio frequency unit 1101 for output in the case of a telephone call mode.
  • the terminal 1100 further includes at least one sensor 1105, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor.
  • the ambient light sensor can adjust the brightness of the display panel 11061 according to the brightness of the ambient light.
  • the proximity sensor can close the display panel 11061 and/or when the terminal 1100 is moved to the ear. Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in various directions (usually three-axis), and can detect the magnitude and direction of gravity when stationary, and can be used to identify terminal posture (such as horizontal and vertical screen switching, related games, Magnetometer attitude calibration), vibration recognition related functions (such as pedometer, percussion), etc.; sensor 1105 can also include fingerprint sensor, pressure sensor, iris sensor, molecular sensor, gyroscope, barometer, hygrometer, thermometer, infrared Sensors, etc., will not be repeated here.
  • the display unit 1106 is used to display information input by the user or information provided to the user.
  • the display unit 1106 may include a display panel 11061, and the display panel 11061 may be configured in the form of a liquid crystal display (Liquid Crystal Display, LCD), an organic light-emitting diode (Organic Light-Emitting Diode, OLED), etc.
  • LCD Liquid Crystal Display
  • OLED Organic Light-Emitting Diode
  • the user input unit 1107 can be used to receive inputted numeric or character information, and generate key signal input related to user settings and function control of the terminal.
  • the user input unit 1107 includes a touch panel 11071 and other input devices 11072.
  • the touch panel 11071 also known as a touch screen, can collect user touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc.) on the touch panel 11071 or near the touch panel 11071. operating).
  • the touch panel 11071 may include two parts, a touch detection device and a touch controller.
  • the touch detection device detects the user's touch position, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it
  • the processor 1110 receives and executes the command sent by the processor 1110.
  • the touch panel 11071 can be implemented in multiple types such as resistive, capacitive, infrared, and surface acoustic wave.
  • the user input unit 1107 may also include other input devices 11072.
  • other input devices 11072 may include, but are not limited to, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackball, mouse, and joystick, which will not be repeated here.
  • the touch panel 11071 can cover the display panel 11061.
  • the touch panel 11071 detects a touch operation on or near it, it is transmitted to the processor 1110 to determine the type of the touch event, and then the processor 1110 determines the type of the touch event.
  • the type of event provides corresponding visual output on the display panel 11061.
  • the touch panel 11071 and the display panel 11061 are used as two independent components to realize the input and output functions of the terminal, in some embodiments, the touch panel 11071 and the display panel 11061 may be integrated Realize the input and output functions of the terminal, which are not limited here.
  • the interface unit 1108 is an interface for connecting an external device with the terminal 1100.
  • the external device may include a wired or wireless headset port, an external power source (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) port, video I/O port, headphone port, etc.
  • the interface unit 1108 may be used to receive input (for example, data information, power, etc.) from an external device and transmit the received input to one or more elements in the terminal 1100 or may be used to communicate between the terminal 1100 and the external device. Transfer data between.
  • the memory 1109 can be used to store software programs and various data.
  • the memory 1109 may mainly include a program storage area and a data storage area.
  • the program storage area may store an operating system, an application program required by at least one function (such as a sound playback function, an image playback function, etc.), etc.; Data (such as audio data, phone book, etc.) created by the use of mobile phones.
  • the memory 1109 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.
  • the processor 1110 is the control center of the terminal. It uses various interfaces and lines to connect various parts of the entire terminal, and executes by running or executing software programs and/or modules stored in the memory 1109, and calling data stored in the memory 1109. Various functions of the terminal and processing data, so as to monitor the terminal as a whole.
  • the processor 1110 may include one or more processing units; optionally, the processor 1110 may integrate an application processor and a modem processor.
  • the application processor mainly processes the operating system, user interface, and application programs, etc.
  • the adjustment processor mainly deals with wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 1110.
  • the terminal 1100 may also include a power source 1111 (such as a battery) for supplying power to various components.
  • a power source 1111 such as a battery
  • the power source 1111 may be logically connected to the processor 1110 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system. And other functions.
  • the terminal 1100 includes some functional modules not shown, which will not be repeated here.
  • the network device may include a base station.
  • the network device includes a processor, a memory, and a computer program stored in the memory and running on the processor.
  • Some embodiments of the present disclosure also provide a computer-readable storage medium on which a computer program is stored.
  • the computer program is executed by a processor, each process of the above-mentioned random access processing method embodiment is implemented and can To achieve the same technical effect, in order to avoid repetition, I will not repeat them here.
  • the computer readable storage medium such as read-only memory (Read-Only Memory, ROM for short), random access memory (Random Access Memory, RAM for short), magnetic disk or optical disk, etc.
  • the technical solution of the present disclosure essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes several instructions to make a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present disclosure.
  • a terminal which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.
  • modules, units, sub-modules, sub-units, etc. can be implemented in one or more application specific integrated circuits (ASICs), digital signal processors (Digital Signal Processing, DSP), digital signal processing equipment ( DSP Device, DSPD), Programmable Logic Device (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, Other electronic units or combinations thereof that perform the functions described in the present disclosure.
  • ASICs application specific integrated circuits
  • DSP Digital Signal Processing
  • DSP Device digital signal processing equipment
  • PLD Programmable Logic Device
  • Field-Programmable Gate Array Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array
  • the technology described in the embodiments of the present disclosure can be implemented through modules (for example, procedures, functions, etc.) that perform the functions described in the embodiments of the present disclosure.
  • the software codes can be stored in the memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.
  • the purpose of the present disclosure can also be realized by running a program or a group of programs on any computing device.
  • the computing device may be a well-known general-purpose device. Therefore, the purpose of the present disclosure can also be achieved only by providing a program product containing program code for implementing the method or device. That is, such a program product also constitutes the present disclosure, and a storage medium storing such a program product also constitutes the present disclosure.
  • the storage medium may be any well-known storage medium or any storage medium developed in the future. It should also be pointed out that, in the device and method of the present disclosure, obviously, each component or each step can be decomposed and/or recombined.

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PCT/CN2020/075025 2019-02-14 2020-02-13 随机接入处理方法、装置、终端、网络设备及存储介质 Ceased WO2020164535A1 (zh)

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BR112021016082-5A BR112021016082A2 (pt) 2019-02-14 2020-02-13 Método e aparelho para processamento de acesso aleatório, terminal, dispositivo de rede e meio de armazenamento.
PH1/2021/551977A PH12021551977A1 (en) 2019-02-14 2020-02-13 Random access processing method and apparatus, terminal, network device, and storage medium
EP20755227.4A EP3927096A4 (en) 2019-02-14 2020-02-13 METHOD AND DEVICE FOR RANDOM ACCESS PROCESSING, TERMINAL, NETWORK DEVICE AND STORAGE MEDIUM
US17/400,641 US12016056B2 (en) 2019-02-14 2021-08-12 Random access processing method and apparatus, terminal, network device, and storage medium
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