Information reporting method and related apparatus, storage medium and computer program product

Abstract

The embodiments of the present application disclose an information reporting method and a related apparatus, a storage medium and a computer program product. The method applied to a first remote terminal comprises: reporting first information to a network device, wherein the first information includes related information of the failure of handover between relayed indirect connection and direct connection.

Description

Information reporting method and related device, storage medium, and computer program product

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application is based on the Chinese patent application with application number 202410030209.6, application date January 8, 2024, and application name “Information reporting method and related devices, storage medium”, and claims the priority of the Chinese patent application. The entire content of the Chinese patent application is hereby incorporated into this application by introduction. Technical Field

[0003] The embodiments of the present application relate to the field of mobile communication technology, and in particular to an information reporting method and related devices, storage media, and computer program products. Background Art

[0004] The New Radio (NR) system supports terminal-to-network (UE-to-Network, U2N) relay, which can provide coverage extension or reduce transmission power for remote terminals.

[0005] At present, in order to ensure the service continuity of terminal mobility, Layer 2 (L2) U2N relay supports switching from indirect connection to direct connection and from direct connection to indirect connection under the same NR node. However, due to various reasons, there may be switching failures, resulting in service interruption. Summary of the Invention

[0006] An embodiment of the present application provides an information reporting method and related devices, storage media, and computer program products. For a scenario in which switching between a relay indirect connection and a direct connection fails, a remote terminal and a relay terminal can report relevant information to a network device, so that the network device can adjust and / or optimize the relay switching configuration based on this information, thereby improving the switching success rate and ensuring business continuity.

[0007] The technical solution of the embodiment of the present application is implemented as follows:

[0008] An embodiment of the present application provides an information reporting method, applied to a first remote terminal, the method comprising:

[0009] reporting first information to the network device;

[0010] The first information includes information related to a failure in switching between a relay indirect connection and a direct connection.

[0011] In the above method, the first information includes at least one of the following:

[0012] The first handover type is used to indicate that a handover from an indirect connection to a direct connection fails, or a handover from a direct connection to an indirect connection fails;

[0013] The reason for the switching failure;

[0014] a sidelink (SL) signal measurement result of a relay terminal to which the first remote terminal has accessed during a handover from an indirect connection to a direct connection, or a sidelink (SL) signal measurement result of a relay terminal to which the first remote terminal has accessed during a handover from a direct connection to an indirect connection;

[0015] In a direct connection to indirect connection switch, the SL signal measurement result of at least one relay terminal different from the relay terminal initiated by the first remote terminal.

[0016] In the above method, the first information further includes at least one of the following:

[0017] In the case of an indirect connection to a direct connection handover, the identifier of the target New Radio (NR) cell of the first remote terminal, or in the case of a direct connection to an indirect connection handover, the identifier of the source NR cell of the first remote terminal;

[0018] an identifier of a relay terminal to which the first remote terminal has accessed during a handover from an indirect connection to a direct connection, or an identifier of a relay terminal to which the first remote terminal has initiated access during a handover from a direct connection to an indirect connection;

[0019] an identifier of the first remote terminal;

[0020] In an indirect connection to a direct connection handover, the measurement results of the target NR cell of the first remote terminal and / or other NR cells under the base station to which the target NR cell belongs, or the measurement results of the source NR cell of the first remote terminal in a direct connection handover;

[0021] an identifier of the relay terminal for initiating radio resource control (RRC) connection reestablishment by the first remote terminal;

[0022] An identifier of the NR cell in which the first remote terminal initiates RRC connection reestablishment;

[0023] The time interval between the time when the radio link failure or relay link failure occurs and the time when the most recent connection handover occurs;

[0024] location information of the first remote terminal;

[0025] The distance between the first remote terminal and the connected relay terminal in the switching from an indirect connection to a direct connection, or the distance between the first remote terminal and the relay terminal that initiated the access in the switching from a direct connection to an indirect connection.

[0026] An embodiment of the present application provides an information reporting method, which is applied to a first relay terminal, and the method includes:

[0027] reporting second information to the network device;

[0028] The second information includes relevant information of a failure in switching from a relay direct connection to an indirect connection.

[0029] In the above method, the second information includes at least one of the following:

[0030] an identifier of the NR cell to which the first relay terminal is connected;

[0031] an identifier of the first relay terminal;

[0032] an identifier of a remote terminal that initiates access to the first relay terminal;

[0033] The second switching type is used to indicate that the switching between the direct connection and the indirect connection fails;

[0034] The time interval between the moment when the first relay terminal establishes a relay connection with a remote terminal and the moment when a relay link failure occurs;

[0035] a measurement result of a downlink reference signal measured by the first relay terminal;

[0036] The relay terminal configuration parameter most recently received by the first relay terminal.

[0037] The present invention provides an information reporting method, which is applied to a network device. The method includes:

[0038] Receiving first information reported by a first remote terminal; wherein the first information includes relevant information of a failure in switching between a relay indirect connection and a direct connection;

[0039] And / or, receiving second information reported by the first relay terminal; wherein the second information includes relevant information of a failure in switching between a relay direct connection and an indirect connection.

[0040] In the above method, the first information includes at least one of the following:

[0041] The first handover type is used to indicate that a handover from an indirect connection to a direct connection fails, or a handover from a direct connection to an indirect connection fails;

[0042] The reason for the switching failure;

[0043] SL signal measurement results of a relay terminal to which the first remote terminal has accessed during a handover from an indirect connection to a direct connection, or SL signal measurement results of a relay terminal to which the first remote terminal has accessed during a handover from a direct connection to an indirect connection;

[0044] In a direct connection to indirect connection switch, the SL signal measurement result of at least one relay terminal different from the relay terminal initiated by the first remote terminal.

[0045] In the above method, the second information includes at least one of the following:

[0046] an identifier of the NR cell to which the first relay terminal is connected;

[0047] an identifier of the first relay terminal;

[0048] an identifier of a remote terminal that initiates access to the first relay terminal;

[0049] The second switching type is used to indicate that the switching between the direct connection and the indirect connection fails;

[0050] The time interval between the moment when the first relay terminal establishes a relay connection with a remote terminal and the moment when a relay link failure occurs;

[0051] a measurement result of a downlink reference signal measured by the first relay terminal;

[0052] The relay terminal configuration parameter most recently received by the first relay terminal.

[0053] The above method further includes:

[0054] Based on the first information and / or the second information, configuration adjustment and / or optimization of switching between indirect connection and direct connection is performed.

[0055] In the above method, the adjusting and / or optimizing the configuration of switching between the indirect connection and the direct connection based on the first information includes:

[0056] For the indirect connection to direct connection handover, if it is determined based on the first information that the handover is too late or too early, updating a first handover condition based on the first information to adjust and / or optimize the handover timing of the indirect connection to direct connection handover; the first handover condition is used to trigger the indirect connection to direct connection handover;

[0057] If an erroneous handover is determined based on the first information, reselecting a target NR cell indirectly connected to the first remote terminal in the direct connection handover based on the first information;

[0058] and / or, for a handover from a direct connection to an indirect connection, if a too late handover or too early handover is determined based on the first information, updating a second handover condition based on the first information to adjust and / or optimize a handover timing from the direct connection to the indirect connection; the second handover condition is used to trigger a handover from the indirect connection to the direct connection;

[0059] If an erroneous handover is determined based on the first information, a direct connection to the relay terminal to which the first remote terminal initiated access in the indirect connection handover is reselected based on the first information.

[0060] In the above method, the adjusting and / or optimizing the configuration of switching between the indirect connection and the direct connection based on the second information includes:

[0061] determining, based on the second information, whether a relay terminal configuration parameter of the first relay terminal is correct;

[0062] If the judgment result is no, adjust and / or optimize the relay terminal configuration parameters of the first relay terminal.

[0063] An embodiment of the present application provides a first remote terminal, comprising: a first processor, a first memory, and a first communication bus;

[0064] The first communication bus is configured to implement a communication connection between the first processor and the first memory;

[0065] The first processor is configured to execute one or more computer programs stored in the first memory to implement an information reporting method applied to a first remote terminal.

[0066] An embodiment of the present application provides a first relay terminal, comprising: a second processor, a second memory, and a second communication bus;

[0067] The second communication bus is configured to implement a communication connection between the second processor and the second memory;

[0068] The second processor is configured to execute one or more computer programs stored in the second memory to implement the information reporting method applied to the first relay terminal.

[0069] An embodiment of the present application provides a network device, comprising: a third processor, a third memory, and a third communication bus;

[0070] The third communication bus is configured to implement a communication connection between the third processor and the third memory;

[0071] The third processor is configured to execute one or more computer programs stored in the third memory to implement an information reporting method applied to a network device.

[0072] An embodiment of the present application provides a computer-readable storage medium having a computer program stored thereon, which, when executed, implements the steps of an information reporting method applied to a first remote terminal, or the steps of an information reporting method applied to a first relay terminal, or the steps of an information reporting method applied to a network device.

[0073] An embodiment of the present application provides a computer program product, including a computer program, which, when executed by a processor, implements the steps of an information reporting method applied to a first remote terminal, or the steps of an information reporting method applied to a first relay terminal, or the steps of an information reporting method applied to a network device.

[0074] The embodiments of the present application provide an information reporting method and related devices, storage media, and computer program products, wherein a first remote terminal reports first information to a network device; the first information includes relevant information regarding a failure to switch between a relay indirect connection and a direct connection; and the first relay terminal reports second information to the network device; the second information includes relevant information regarding a failure to switch between a relay direct connection and an indirect connection. The technical solution provided by the embodiments of the present application, for a scenario in which a switch between a relay indirect connection and a direct connection fails, the remote terminal and the relay terminal can report relevant information to the network device, enabling the network device to adjust and / or optimize the relay switching configuration based on the information, thereby improving the switching success rate and ensuring service continuity. BRIEF DESCRIPTION OF THE DRAWINGS

[0075] FIG1 is a flow chart of a method for reporting information according to an embodiment of the present application;

[0076] FIG2 is a second flow chart of an information reporting method provided in an embodiment of the present application;

[0077] FIG3 is a third flow chart of an information reporting method provided in an embodiment of the present application;

[0078] FIG4 is a first structural diagram of a first remote terminal provided in an embodiment of the present application;

[0079] FIG5 is a second structural diagram of a first remote terminal provided in an embodiment of the present application;

[0080] FIG6 is a first structural diagram of a first relay terminal provided in an embodiment of the present application;

[0081] FIG7 is a second structural diagram of a first relay terminal provided in an embodiment of the present application;

[0082] FIG8 is a structural diagram 1 of a network device provided in an embodiment of the present application;

[0083] FIG9 is a second structural diagram of a network device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0084] In order to make the purpose, technical solutions and advantages of this application more clear, the following further describes this application in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0085] The following will specifically describe the technical solution of the present application and how the technical solution of the present application solves the above-mentioned technical problems through embodiments and in conjunction with the accompanying drawings. The following embodiments can be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments.

[0086] In addition, the technical solutions described in the embodiments of the present application can be arbitrarily combined without conflict.

[0087] The present application provides an information reporting method, which is applied to a relay communication scenario, specifically an L2U2N relay scenario, which is not limited in the present application. The following describes the information reporting method provided in the present application embodiment in detail from the perspectives of a first remote terminal, a first relay terminal, and a network device, wherein the first remote terminal can be any remote terminal in the relay communication scenario, the first remote terminal can be any remote terminal in the relay communication scenario, and the network device can be a base station or other device, which is not limited in the present application.

[0088] FIG1 is a flow chart of an information reporting method provided in an embodiment of the present application. As shown in FIG1 , in an embodiment of the present application, the information reporting method applied to the first remote terminal mainly includes the following steps:

[0089] S101. Report first information to a network device; wherein the first information includes information related to a failure in switching between a relay indirect connection and a direct connection.

[0090] In an embodiment of the present application, the first remote terminal may report first information to the network device; wherein the first information includes relevant information on the failure of switching between the relay indirect connection and the direct connection.

[0091] It can be understood that in an embodiment of the present application, for the situation where switching between a relay indirect connection and a direct connection fails, including a switching failure from an indirect connection to a direct connection and a switching failure from a direct connection to an indirect connection, the first remote terminal can report relevant information to the network device, so that the network device can accurately and efficiently perform configuration adjustments and / or optimizations for switching between indirect connections and direct connections, effectively avoid switching failures or wireless link failures, improve the switching success rate, and ensure business continuity.

[0092] In an embodiment of the present application, the first information includes at least one of the following:

[0093] The first handover type is used to indicate that a handover from an indirect connection to a direct connection fails, or a handover from a direct connection to an indirect connection fails;

[0094] The reason for the switching failure;

[0095] A sidelink (SL) signal measurement result of a relay terminal to which the first remote terminal has accessed during a handover from an indirect connection to a direct connection, or a SL signal measurement result of a relay terminal to which the first remote terminal has accessed during a handover from a direct connection to an indirect connection;

[0096] The SL signal measurement result of at least one relay terminal different from the relay terminal initiated by the first remote terminal during the direct connection to indirect connection switching.

[0097] It should be noted that in the embodiment of the present application, the first handover type, i.e., the handover type of a handover failure, can specifically use 2 bits of information to indicate a handover failure from an indirect connection to a direct connection, and vice versa. Of course, other methods can also be used to indicate the first handover type, which can be set according to actual needs and is not limited in the embodiment of the present application.

[0098] It should be noted that, in an embodiment of the present application, the handover failure cause is used to indicate that the specific cause of the handover failure is SL radio link failure (Radio Link Failure, RLF) / PC5RLF, air interface RLF / Uu RLF. The handover failure cause can be expressed in one of the following ways: introducing two new fields to indicate that the handover failure cause is SL RLF / PC5RLF or air interface RLF / Uu RLF; introducing a new field to indicate whether the handover failure cause is SL RLF / PC5RLF. For example, if the field is set to 1 or True, it indicates that the handover failure cause is SL RLF / PC5RLF; otherwise, it indicates that the handover failure cause is air interface RLF / Uu RLF.

[0099] It can be understood that, in the embodiment of the present application, the first information reported by the first remote terminal provides the reason for the switching failure, which helps the network device to conduct targeted analysis of the failure reason and targeted parameter adjustment and / or optimization.

[0100] It should be noted that in the embodiment of the present application, the SL signal measurement result of the relay terminal to which the first remote terminal has accessed or initiated access can be represented by the reference signal receiving power (RSRP). Of course, other information can also be used for representation, which is not limited in the embodiment of the present application.

[0101] It should be noted that in an embodiment of the present application, in the direct connection to indirect connection switching, the SL signal measurement results of at least one relay terminal different from the relay terminal that initiated access from the first remote terminal may include the identifier of each relay terminal and the corresponding SL signal measurement results.

[0102] In an embodiment of the present application, the first information further includes at least one of the following:

[0103] The identifier of the target NR cell of the first remote terminal in an indirect connection to a direct connection handover, or the identifier of the source NR cell of the first remote terminal in a direct connection to an indirect connection handover;

[0104] The identifier of the relay terminal to which the first remote terminal has accessed during a handover from an indirect connection to a direct connection, or the identifier of the relay terminal to which the first remote terminal has initiated access during a handover from a direct connection to an indirect connection;

[0105] an identifier of the first remote terminal;

[0106] The measurement results of the target NR cell of the first remote terminal and / or other NR cells under the base station to which the target NR cell belongs in the indirect connection to the direct connection handover, or the measurement results of the source NR cell of the first remote terminal in the direct connection to the indirect connection handover;

[0107] an identifier of the relay terminal with which the first remote terminal initiates radio resource control (RRC) connection reestablishment;

[0108] The identifier of the NR cell in which the first remote terminal initiates RRC connection reestablishment;

[0109] The time interval between the time when the radio link failure or relay link failure occurs and the time when the most recent connection handover occurs;

[0110] location information of the first remote terminal;

[0111] The distance between the first remote terminal and the connected relay terminal in the indirect connection to direct connection handover, or the distance between the first remote terminal and the relay terminal that initiated the access in the direct connection to indirect connection handover.

[0112] It should be noted that in an embodiment of the present application, the identifier of the first remote terminal may be the identifier of the first remote terminal itself in an indirect connection to direct connection switching, and may be the cell radio network temporary identifier (Cell-Radio Network Temporary Identifier, C-RNTI) of the first remote terminal in a direct connection to indirect connection switching.

[0113] It should be noted that in an embodiment of the present application, the measurement results of the target NR cell, the source NR cell, and other NR cells of the first remote terminal can be expressed by RSRP / reference signal reception quality (RSRQ) / signal to interference plus noise ratio (SINR). Of course, other information can also be used, which is not limited in the embodiment of the present application.

[0114] In an embodiment of the present application, the first remote terminal reports the first information to the network device. This may be the first remote terminal reporting the first information to the network device after receiving a request message sent by the network device, where the request message is used to request the first remote terminal to report relevant information about the switching failure. Alternatively, the first remote terminal may proactively report the first information to the network device. Alternatively, the first remote terminal may send a notification message to the network device to notify the network device that the first remote terminal has stored the first information and reports the first information to the network device after receiving the request message sent by the network device. The method for triggering the first remote terminal to report the first information is not limited in the embodiment of the present application.

[0115] It should be noted that, in an embodiment of the present application, the first information may reuse an existing RLF report or newly added signaling / element for reporting the first information. If the existing RLF report is reused, a new information element (IE) may be added to the RLF report or in an existing extension field to explicitly indicate that the report is a report of relevant information about the handover of the first remote terminal, or implicitly, for example, by including the first information in the first handover type and / or handover failure cause, to indicate that the report is a report of relevant information about the handover of the first remote terminal.

[0116] FIG2 is a flow chart of a second method for reporting information provided in an embodiment of the present application. As shown in FIG2 , in an embodiment of the present application, the method for reporting information applied to the first relay terminal mainly includes the following steps:

[0117] S201. Report second information to a network device; wherein the second information includes information related to a failure in switching from a relay direct connection to an indirect connection.

[0118] In an embodiment of the present application, the first relay terminal may report second information to the network device; wherein the second information includes relevant information of a failure in switching from a relay direct connection to an indirect connection.

[0119] It can be understood that in an embodiment of the present application, the first relay terminal, as a relay terminal, can obtain relevant information and report it to the network device when the relay fails to switch from direct connection to indirect connection, so that the network device can accurately and efficiently perform configuration adjustments and / or optimizations for direct connection to indirect connection switching, effectively avoid switching failures or wireless link failures, improve the switching success rate, and ensure business continuity.

[0120] In an embodiment of the present application, the second information includes at least one of the following:

[0121] An identifier of the NR cell to which the first relay terminal is connected;

[0122] an identifier of the first relay terminal;

[0123] an identifier of the remote terminal that initiates access to the first relay terminal;

[0124] The second switching type is used to indicate that the switching between the direct connection and the indirect connection fails;

[0125] The time interval between the moment when the first relay terminal establishes a relay connection with a remote terminal and the moment when the relay link fails;

[0126] a measurement result of a downlink reference signal measured by the first relay terminal;

[0127] The relay terminal configuration parameters most recently received by the first relay terminal.

[0128] It should be noted that in an embodiment of the present application, the identifier of the NR cell to which the first relay terminal is connected refers to the identifier of the source NR cell in the direct connection to the indirect connection switching.

[0129] It should be noted that, in the embodiment of the present application, the identifier of the first relay terminal may be the C-RNTI of the first relay terminal, and the identifier of the remote terminal initiating access to the first relay terminal may be the identifier of the remote terminal itself.

[0130] It should be noted that, in an embodiment of the present application, the time interval between the moment when the first relay terminal establishes a relay connection with a remote terminal and the moment when the relay link failure occurs can be used to determine whether a relay link failure occurs immediately after a remote terminal is connected to the first relay terminal, thereby assisting in determining whether the first relay terminal is suitable as a relay terminal.

[0131] It should be noted that, in the embodiment of the present application, the measurement result of the downlink reference signal can be represented by RSRP / RSRQ / SINR. Of course, other information can also be used for representation, which is not limited in the embodiment of the present application.

[0132] In an embodiment of the present application, the first relay terminal reports the second information to the network device. This may be the case where the first relay terminal reports the second information to the network device after receiving a request message sent by the network device, where the request message is used to request the first relay terminal to report relevant information about the handover failure; or the first relay terminal proactively reports the second information to the network device, or the first relay terminal sends a notification message to the network device to notify the network device that the first relay terminal has stored the second information, and then reports the second information to the network device after receiving the request message sent by the network device. The method for triggering the first relay terminal to report the second information is not limited in the embodiment of the present application.

[0133] FIG3 is a flow chart of an information reporting method provided in an embodiment of the present application. As shown in FIG3 , in an embodiment of the present application, the information reporting method applied to a network device mainly includes the following steps:

[0134] S301. Receive first information reported by a first remote terminal; wherein the first information includes information related to a failure in switching between a relay indirect connection and a direct connection;

[0135] And / or, receiving second information reported by the first relay terminal; wherein the second information includes relevant information of a failure of switching from a direct connection to an indirect connection by the relay terminal.

[0136] In an embodiment of the present application, corresponding to the method performed by the first remote terminal and the first relay terminal, the network device may receive the first information reported by the first remote terminal and / or receive the second information reported by the first relay terminal.

[0137] In an embodiment of the present application, the first information includes at least one of the following:

[0138] The first handover type is used to indicate that a handover from an indirect connection to a direct connection fails, or a handover from a direct connection to an indirect connection fails;

[0139] The reason for the switching failure;

[0140] SL signal measurement results of a relay terminal to which the first remote terminal has accessed during a handover from an indirect connection to a direct connection, or SL signal measurement results of a relay terminal to which the first remote terminal has accessed during a handover from a direct connection to an indirect connection;

[0141] The SL signal measurement result of at least one relay terminal different from the relay terminal initiated by the first remote terminal in the direct connection to indirect connection switching.

[0142] In an embodiment of the present application, the second information includes at least one of the following:

[0143] An identifier of the NR cell to which the first relay terminal is connected;

[0144] an identifier of the first relay terminal;

[0145] an identifier of the remote terminal that initiates access to the first relay terminal;

[0146] The second switching type is used to indicate that the switching between the direct connection and the indirect connection fails;

[0147] The time interval between the moment when the first relay terminal establishes a relay connection with a remote terminal and the moment when the relay link fails;

[0148] a measurement result of a downlink reference signal measured by the first relay terminal;

[0149] The relay terminal configuration parameters most recently received by the first relay terminal.

[0150] It should be noted that in an embodiment of the present application, the first information may also include the various information described in the method on the first remote terminal side mentioned above. The explanation of the various information contained in the first information and the second information can be found in the methods on the first remote terminal and the first relay terminal side mentioned above, and will not be repeated here.

[0151] In an embodiment of the present application, the network device receives the first information, which may be directly receiving the first information reported by the first remote terminal. In this case, the network device and the first remote terminal are directly connected, or the network device may receive the first information forwarded through a relay terminal, which refers to the relay terminal connected after the first remote terminal is successfully rebuilt. In this case, the network node and the first remote terminal are indirectly connected, or the network device may receive the first information forwarded by other nodes, which is a third-party node other than the network node where the switching failure occurs. The node may receive the first message through a direct connection or an indirect connection with the first remote terminal.

[0152] In an embodiment of the present application, the network device receives the second information by directly receiving the second information reported by the first relay terminal, or by receiving the second information forwarded by another node, which is a third-party node other than the network node where the switching failure occurs.

[0153] In an embodiment of the present application, when the network device receives the first information and / or the second information, it can adjust and / or optimize the configuration of switching between indirect connection and direct connection based on the first information and / or the second information, thereby effectively avoiding switching failure or wireless link failure, improving the switching success rate, and ensuring business continuity.

[0154] In an embodiment of the present application, a network device performs configuration adjustment and / or optimization of switching between an indirect connection and a direct connection based on first information, including: for switching from an indirect connection to a direct connection, if switching is determined to be too late or too early based on the first information, updating a first switching condition based on the first information to adjust and / or optimize the switching timing of the indirect connection to the direct connection; the first switching condition is used to trigger the indirect connection to the direct connection switching; if an erroneous switching is determined based on the first information, reselecting the target NR cell of the indirect connection to the first remote terminal in the direct connection switching based on the first information; and / or, for switching from a direct connection to an indirect connection, if switching is determined to be too late or too early based on the first information, updating a second switching condition based on the first information to adjust and / or optimize the switching timing of the direct connection to the indirect connection switching; the second switching condition is used to trigger the indirect connection to the direct connection switching; if an erroneous switching is determined based on the first information, reselecting the direct connection to the relay terminal to which the first remote terminal initiates access in the indirect connection switching based on the first information.

[0155] In an embodiment of the present application, for the switching from indirect connection to direct connection, if it is determined that the switching from indirect connection to direct connection is too late based on the first switching type in the first information, the identifier of the NR cell in which the first remote terminal initiates RRC connection reconstruction, the reason for the switching failure, etc., for example, the first remote terminal has a relay link failure and the NR cell attempted to be rebuilt is the target NR cell, then the first switching condition for triggering the switching from indirect connection to direct connection can be updated. For example, in combination with the measurement results of the NR cell and the SL signal measurement results in the first information and other information, the signal quality threshold of the target NR cell in the measurement event is lowered and / or the signal quality threshold of the relay terminal is increased, the purpose of which is to start the switching process earlier.

[0156] In an embodiment of the present application, for the indirect connection to the direct connection switch, if it is determined that the indirect connection to the direct connection switch is too early based on the first switching type in the first information, the identifier of the relay terminal that initiates the RRC connection reconstruction by the first remote terminal, the reason for the switching failure, the time interval between the time when the radio link failure occurs and the time when the connection switching occurs most recently, for example, the first remote terminal has an air interface RLF and attempts to reconstruct the original access relay terminal, then the first switching condition for triggering the indirect connection to the direct connection switch can be updated, for example, combined with the measurement results of the NR cell and the SL signal measurement results in the first information, etc., the signal quality threshold of the target NR cell in the measurement event is increased and / or the signal quality threshold of the relay terminal is lowered, in order to delay the start of the switching process.

[0157] In an embodiment of the present application, for indirect connection to direct connection switching, if based on the first switching type in the first information, the identifier of the NR cell in which the first remote terminal initiates RRC reconstruction, the cause of the switching failure, etc., when determining an erroneous switching, for example, the first remote terminal fails to switch or the radio link fails, and the NR cell attempted to be rebuilt is another NR cell under the network other than the target NR cell, then the identifier of the NR cell initiating RRC connection reconstruction in the first information, the location information of the first remote terminal, etc., can be combined to adjust the selection of the target NR cell in a similar situation before the subsequent switching command is issued.

[0158] Exemplarily, in an embodiment of the present application, a method for adjusting the target NR cell selection is used, in combination with the identifier of the NR cell in which the first remote terminal initiates RRC connection reconstruction, the location information of the first remote terminal, etc. in the first information, to store a correspondence table between the identifier of the reconstructed NR cell and the location of the remote terminal. When the first remote terminal moves to a certain position and a nearby area recorded in the relationship table, the corresponding NR cell in the relationship table is preferentially selected as the target NR cell.

[0159] In an embodiment of the present application, for the switching from direct connection to indirect connection, if it is determined that the switching from direct connection to indirect connection is too early based on the first switching type in the first information, the identifier of the NR cell where the first remote terminal initiates RRC connection reconstruction, the reason for the switching failure, the time interval between the time when the relay link failure occurs and the time when the connection switching occurs in the most recent switching, etc., for example, a switching failure or a wireless link failure occurs, and the NR cell attempted to be rebuilt is still the source NR cell, then the second switching condition for triggering the switching from direct connection to indirect connection can be updated, for example, in combination with the measurement results of the NR cell and the SL signal measurement results in the first information, the signal quality threshold of the source NR cell in the measurement event is lowered and / or the signal quality threshold of the relay terminal is increased, in order to delay the start of the switching process.

[0160] In an embodiment of the present application, for switching from direct connection to indirect connection, if it is determined that the switching from direct connection to indirect connection is too late based on the first switching type in the first information, the identifier of the NR cell in which the first remote terminal initiates RRC connection reconstruction, the reason for the switching failure, etc., for example, the first remote terminal has a wireless link failure and the cell attempted to be rebuilt is the target NR cell, then the second switching condition for triggering the switching from direct connection to indirect connection can be updated, for example, in combination with the NR cell measurement results and SL signal measurement results in the first information, etc., the signal quality threshold value of the source NR cell in the measurement event is increased and / or the signal quality threshold value of the relay terminal is lowered, in order to start the switching process earlier.

[0161] In an embodiment of the present application, for switching from direct connection to indirect connection, if an erroneous switching is determined based on the first switching type in the first information, the identifier of the NR cell initiating RRC reconstruction by the first remote terminal, the reason for the switching failure, the time interval between the time when the wireless link failure or the relay link failure occurs and the time when the most recent switching occurs, etc., for example, the first remote terminal has a switching failure or a wireless link failure, and the NR cell attempted to be rebuilt is an NR cell other than the target NR cell, then the relay terminal that initiated access under similar circumstances can be reselected before a subsequent switching command is issued in combination with the identifier of the relay terminal initiating RRC connection reconstruction in the first information, the SL signal measurement results of at least one relay terminal different from the relay terminal initiating access by the first remote terminal, the location information of the first remote terminal and / or the distance between the first remote terminal and the relay terminal, etc.

[0162] Exemplarily, in an embodiment of the present application, a method for reselecting a relay terminal that initiates access is based on the identifier of the relay terminal that initiates RRC connection reconstruction in the first information, the SL signal measurement result of at least one relay terminal different from the relay terminal that initiates access by the first remote terminal, the location information of the first remote terminal, etc., to form a relationship table of reconstructed relay terminal identifier-relay terminal SL signal measurement result-remote terminal location. When the first remote terminal moves to a certain position and a nearby area recorded in the relationship table, the corresponding relay terminal in the relationship table or a relay terminal with similar SL signal measurement results is preferentially selected as the relay terminal that initiates access.

[0163] In an embodiment of the present application, the first remote terminal performs configuration adjustment and / or optimization for switching between indirect connection and direct connection based on the second information, including: judging whether the relay terminal configuration parameters of the first relay terminal are correct based on the second information; and if the judgment result is no, adjusting and / or optimizing the relay terminal configuration parameters of the first relay terminal.

[0164] It should be noted that, in an embodiment of the present application, the network device can determine whether the time interval between the moment when the first relay terminal in the second information establishes a relay connection with a remote terminal and the moment when the relay link failure occurs is small enough, for example, determine whether it is less than or equal to a preset threshold value. If it is small enough, it means that the remote terminal immediately experiences a relay link failure after connecting to the first relay terminal. Based on this, it is necessary to combine the measurement result of the downlink reference signal in the second information and the relay terminal configuration parameters of the first relay terminal to determine whether there is an incorrect configuration. For example, the measurement result of the downlink reference signal has exceeded the configuration range, or the measurement result of the downlink reference signal is less than or equal to the preset threshold value from the boundary of the configuration range. If it is determined that the configuration is incorrect, the relay terminal configuration parameters for the first relay terminal are appropriately adjusted and / or optimized. Otherwise, there is no need to adjust and / or optimize the relay terminal configuration parameters of the first relay terminal.

[0165] The embodiment of the present application provides a first remote terminal. FIG4 is a structural schematic diagram of a first remote terminal provided in the embodiment of the present application. As shown in FIG4 , the first remote terminal includes:

[0166] The first communication module 401 is configured to report first information to the network device; wherein the first information includes information related to the failure of switching between the relay indirect connection and the direct connection.

[0167] In one embodiment of the present application, the first information includes at least one of the following:

[0168] A first handover type is configured to indicate a handover failure from an indirect connection to a direct connection, or a handover failure from a direct connection to an indirect connection;

[0169] The reason for the switching failure;

[0170] a sidelink (SL) signal measurement result of a relay terminal to which the first remote terminal has accessed during a handover from an indirect connection to a direct connection, or a sidelink (SL) signal measurement result of a relay terminal to which the first remote terminal has accessed during a handover from a direct connection to an indirect connection;

[0171] In a direct connection to indirect connection switch, the SL signal measurement result of at least one relay terminal different from the relay terminal initiated by the first remote terminal.

[0172] In one embodiment of the present application, the first information further includes at least one of the following:

[0173] In the case of an indirect connection to a direct connection handover, the identifier of the target New Radio (NR) cell of the first remote terminal, or in the case of a direct connection to an indirect connection handover, the identifier of the source NR cell of the first remote terminal;

[0174] an identifier of a relay terminal to which the first remote terminal has accessed during a handover from an indirect connection to a direct connection, or an identifier of a relay terminal to which the first remote terminal has initiated access during a handover from a direct connection to an indirect connection;

[0175] an identifier of the first remote terminal;

[0176] In an indirect connection to a direct connection handover, the measurement results of the target NR cell of the first remote terminal and / or other NR cells under the base station to which the target NR cell belongs, or the measurement results of the source NR cell of the first remote terminal in a direct connection handover;

[0177] an identifier of the relay terminal for initiating radio resource control (RRC) connection reestablishment by the first remote terminal;

[0178] An identifier of the NR cell in which the first remote terminal initiates RRC connection reestablishment;

[0179] The time interval between the time when the radio link failure or relay link failure occurs and the time when the most recent connection handover occurs;

[0180] location information of the first remote terminal;

[0181] The distance between the first remote terminal and the connected relay terminal in the switching from an indirect connection to a direct connection, or the distance between the first remote terminal and the relay terminal that initiated the access in the switching from a direct connection to an indirect connection.

[0182] FIG5 is a second structural diagram of a first remote terminal provided in an embodiment of the present application. As shown in FIG5 , the first remote terminal includes: a first processor 501, a first memory 502, and a first communication bus 503;

[0183] The first communication bus 503 is configured to implement a communication connection between the first processor 501 and the first memory 502;

[0184] The first processor 501 is configured to execute one or more computer programs stored in the first memory 502 to implement an information reporting method applied to a first remote terminal.

[0185] The embodiment of the present application provides a first relay terminal. FIG6 is a structural schematic diagram of a first relay terminal provided in the embodiment of the present application. As shown in FIG6 , the first relay terminal includes:

[0186] The second communication module 601 is configured to report second information to the network device; wherein the second information includes information related to a failure in switching from a relay direct connection to an indirect connection.

[0187] In one embodiment of the present application, the second information includes at least one of the following:

[0188] an identifier of the NR cell to which the first relay terminal is connected;

[0189] an identifier of the first relay terminal;

[0190] an identifier of a remote terminal that initiates access to the first relay terminal;

[0191] The second switching type is used to indicate that the switching between the direct connection and the indirect connection fails;

[0192] The time interval between the moment when the first relay terminal establishes a relay connection with a remote terminal and the moment when a relay link failure occurs;

[0193] a measurement result of a downlink reference signal measured by the first relay terminal;

[0194] The relay terminal configuration parameter most recently received by the first relay terminal.

[0195] Figure 7 is a second structural diagram of a first relay terminal provided in an embodiment of the present application. As shown in Figure 7, the first relay terminal includes: a second processor 701, a second memory 702, and a second communication bus 703;

[0196] The second communication bus 703 is configured to implement a communication connection between the second processor 701 and the second memory 702;

[0197] The second processor 701 is configured to execute one or more computer programs stored in the second memory 702 to implement an information reporting method applied to the first relay terminal.

[0198] The present application provides a network device. FIG8 is a structural diagram of a network device provided in the present application. As shown in FIG8, the network device includes:

[0199] The third communication module 801 is configured to receive first information reported by the first remote terminal; wherein the first information includes relevant information on the failure of switching between the relay indirect connection and the direct connection; and / or, receive second information reported by the first relay terminal; wherein the second information includes relevant information on the failure of switching between the relay direct connection and the indirect connection.

[0200] In one embodiment of the present application, the first information includes at least one of the following:

[0201] The first handover type is used to indicate that a handover from an indirect connection to a direct connection fails, or a handover from a direct connection to an indirect connection fails;

[0202] The reason for the switching failure;

[0203] SL signal measurement results of a relay terminal to which the first remote terminal has accessed during a handover from an indirect connection to a direct connection, or SL signal measurement results of a relay terminal to which the first remote terminal has accessed during a handover from a direct connection to an indirect connection;

[0204] In a direct connection to indirect connection switch, the SL signal measurement result of at least one relay terminal different from the relay terminal initiated by the first remote terminal.

[0205] In one embodiment of the present application, the second information includes at least one of the following:

[0206] an identifier of the NR cell to which the first relay terminal is connected;

[0207] an identifier of the first relay terminal;

[0208] an identifier of a remote terminal that initiates access to the first relay terminal;

[0209] The second switching type is used to indicate that the switching between the direct connection and the indirect connection fails;

[0210] The time interval between the moment when the first relay terminal establishes a relay connection with a remote terminal and the moment when a relay link failure occurs;

[0211] a measurement result of a downlink reference signal measured by the first relay terminal;

[0212] The relay terminal configuration parameter most recently received by the first relay terminal.

[0213] In an embodiment of the present application, the network device further includes: a processing module 802 (not shown in the figure);

[0214] The processing module 802 is configured to adjust and / or optimize the configuration of switching between the indirect connection and the direct connection based on the first information and / or the second information.

[0215] In one embodiment of the present application, the processing module 802 is configured to, for an indirect connection to a direct connection handover, if a late handover or an early handover is determined based on the first information, update a first handover condition based on the first information to adjust and / or optimize the handover timing of the indirect connection to the direct connection handover; the first handover condition is used to trigger the indirect connection to the direct connection handover; if an erroneous handover is determined based on the first information, reselect the target NR cell of the indirect connection to the first remote terminal in the direct connection handover based on the first information; and / or, for a direct connection to an indirect connection handover, if a late handover or an early handover is determined based on the first information, update a second handover condition based on the first information to adjust and / or optimize the handover timing of the direct connection to the indirect connection handover; the second handover condition is used to trigger the indirect connection to the direct connection handover; if an erroneous handover is determined based on the first information, reselect the direct connection to the relay terminal to which the first remote terminal initiates access in the indirect connection handover based on the first information.

[0216] In one embodiment of the present application, the processing module 802 is configured to determine whether the relay terminal configuration parameters of the first relay terminal are correct based on the second information; if the judgment result is no, adjust and / or optimize the relay terminal configuration parameters of the first relay terminal.

[0217] Figure 9 is a second structural diagram of a network device provided in an embodiment of the present application. As shown in Figure 9, the network device includes: a third processor 901, a third memory 902, and a third communication bus 903;

[0218] The third communication bus 903 is configured to implement a communication connection between the third processor 901 and the third memory 902;

[0219] The third processor 901 is configured to execute one or more computer programs stored in the third memory 902 to implement an information reporting method applied to a network device.

[0220] An embodiment of the present application provides a computer program product, including a computer program, which, when executed by a processor, implements the steps of an information reporting method applied to a first remote terminal, or the steps of an information reporting method applied to a first relay terminal, or the steps of an information reporting method applied to a network device.

[0221] An embodiment of the present application provides a computer-readable storage medium having a computer program stored thereon, which, when executed, implements the steps of an information reporting method applied to a first remote terminal, or the steps of an information reporting method applied to a first relay terminal, or the steps of an information reporting method applied to a network device. The computer-readable storage medium may be a volatile memory (volatile memory), such as a random-access memory (RAM); or a non-volatile memory (non-volatile memory), such as a read-only memory (ROM), a flash memory, a hard disk drive (HDD), or a solid-state drive (SSD); or may be a respective device including one or any combination of the above memories, such as a mobile phone, a computer, a tablet device, a personal digital assistant, etc.

[0222] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, systems, or computer program products. Therefore, the present application may adopt the form of hardware embodiments, software embodiments, or embodiments combining software and hardware. Furthermore, the present application may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to magnetic disk storage and optical storage, etc.) containing computer-usable program code.

[0223] The present application is described with reference to the implementation flow diagram and / or block diagram of the method, device (system) and computer program product according to the embodiment of the present application. It should be understood that each flow and / or box in the flow diagram and / or block diagram and the combination of the flow and / or box in the flow diagram and / or block diagram can be implemented by computer program instructions. These computer program instructions can be provided to the processor of a general-purpose computer, a special-purpose computer, an embedded processing machine or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device produce a device for realizing the function specified in one flow diagram or multiple flows and / or one block or multiple blocks of the block diagram.

[0224] These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce a product including an instruction device that implements the functions specified in implementing one or more processes in the flowchart and / or one or more boxes in the block diagram.

[0225] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, whereby the instructions executed on the computer or other programmable device provide steps for implementing the functions specified in one or more processes in the flowchart and / or one or more boxes in the block diagram.

[0226] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this utility model should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. An information reporting method, applied to a first remote terminal, the method comprising: Reporting first information to a network device; Wherein, the first information includes information related to the failure of handover between relay indirect connection and direct connection.

2. The method according to claim 1, wherein, The first information includes at least one of the following: A first handover type, used to indicate the failure of handover from indirect connection to direct connection, or the failure of handover from direct connection to indirect connection; The reason for handover failure; During the handover from indirect connection to direct connection, the side link (SL) signal measurement result of the relay terminal to which the first remote terminal has been connected, or during the handover from direct connection to indirect connection, the SL signal measurement result of the relay terminal to which the first remote terminal initiates access; During the handover from direct connection to indirect connection, the SL signal measurement results of at least one relay terminal different from the relay terminal to which the first remote terminal initiates access.

3. The method according to claim 2, wherein, The first information further includes at least one of the following: During the handover from indirect connection to direct connection, the identifier of the target New Radio (NR) cell of the first remote terminal, or during the handover from direct connection to indirect connection, the identifier of the source NR cell of the first remote terminal; During the handover from indirect connection to direct connection, the identifier of the relay terminal to which the first remote terminal has been connected, or during the handover from direct connection to indirect connection, the identifier of the relay terminal to which the first remote terminal initiates access; The identifier of the first remote terminal; During the handover from indirect connection to direct connection, the measurement results of the target NR cell of the first remote terminal and / or other NR cells under the base station to which the target NR cell belongs, or during the handover from direct connection to indirect connection, the measurement results of the source NR cell of the first remote terminal; The identifier of the relay terminal for which the first remote terminal initiates radio resource control (RRC) connection reestablishment; The identifier of the NR cell for which the first remote terminal initiates RRC connection reestablishment; The time interval between the moment when a radio link failure or a relay link failure occurs and the moment when the most recent connection handover occurs; The location information of the first remote terminal; During the handover from indirect connection to direct connection, the distance between the first remote terminal and the relay terminal to which it has been connected, or during the handover from direct connection to indirect connection, the distance between the first remote terminal and the relay terminal to which it initiates access.

4. An information reporting method, applied to a first relay terminal, the method comprising: Reporting second information to a network device; Wherein, the second information includes information related to the failure of handover from relay direct connection to indirect connection.

5. The method according to claim 4, wherein, The second information includes at least one of the following: The identifier of the NR cell to which the first relay terminal is connected; The identifier of the first relay terminal; The identifier of the remote terminal that initiates access to the first relay terminal; A second handover type, used to indicate the failure of handover from direct connection to indirect connection; The time interval between the moment when the first relay terminal establishes a relay connection with a certain remote terminal and the moment when a relay link failure occurs; The measurement result of the downlink reference signal measured by the first relay terminal; The relay terminal configuration parameters received by the first relay terminal most recently.

6. An information reporting method, applied to a network device, the method comprising: Receiving first information reported by a first remote terminal; wherein, the first information includes information related to a failure in switching between relay indirect connection and direct connection; And / or, receiving second information reported by a first relay terminal; wherein, the second information includes information related to a failure in switching from relay direct connection to indirect connection.

7. The method according to claim 6, wherein The first information includes at least one of the following: A first switching type, used to indicate a failure in switching from indirect connection to direct connection, or a failure in switching from direct connection to indirect connection; The reason for the switching failure; During the switching from indirect connection to direct connection, the measurement result of the SL signal of the relay terminal to which the first remote terminal has accessed, or during the switching from direct connection to indirect connection, the measurement result of the SL signal of the relay terminal to which the first remote terminal initiates access; During the switching from direct connection to indirect connection, the measurement results of the SL signals of at least one relay terminal different from the relay terminal to which the first remote terminal initiates access.

8. The method according to claim 6, wherein The second information includes at least one of the following: The identifier of the NR cell to which the first relay terminal is connected; The identifier of the first relay terminal; The identifier of the remote terminal that initiates access to the first relay terminal; A second switching type, used to indicate a failure in switching from direct connection to indirect connection; The time interval between the moment when the first relay terminal establishes a relay connection with a certain remote terminal and the moment when a relay link failure occurs; The measurement result of the downlink reference signal measured by the first relay terminal; The relay terminal configuration parameters received by the first relay terminal most recently.

9. The method according to claim 6, wherein, The method further includes: Based on the first information and / or the second information, performing configuration adjustment and / or optimization of the switching between indirect connection and direct connection.

10. The method according to claim 9, wherein, The performing configuration adjustment and / or optimization of the switching between indirect connection and direct connection based on the first information includes: For the switching from indirect connection to direct connection, if it is determined based on the first information that the switching is too late or too early, then updating a first switching condition based on the first information to adjust and / or optimize the switching timing of the switching from indirect connection to direct connection; the first switching condition is used to trigger the switching from indirect connection to direct connection; If it is determined based on the first information that the switching is incorrect, then reselecting the target NR cell of the first remote terminal in the switching from indirect connection to direct connection based on the first information; And / or, for the switching from direct connection to indirect connection, if it is determined based on the first information that the switching is too late or too early, then updating a second switching condition based on the first information to adjust and / or optimize the switching timing of the switching from direct connection to indirect connection; the second switching condition is used to trigger the switching from indirect connection to direct connection; If it is determined based on the first information that the switching is incorrect, then reselecting the relay terminal to which the first remote terminal initiates access in the switching from direct connection to indirect connection based on the first information.

11. The method according to claim 9, wherein, The performing configuration adjustment and / or optimization of the switching between indirect connection and direct connection based on the second information includes: Based on the second information, determining whether the relay terminal configuration parameters of the first relay terminal are correct; In the case where the judgment result is negative, adjust and / or optimize the relay terminal configuration parameters of the first relay terminal.

12. A first remote terminal, comprising: A first processor, a first memory, and a first communication bus; The first communication bus is configured to implement a communication connection between the first processor and the first memory; The first processor is configured to execute one or more computer programs stored in the first memory to implement the information reporting method according to any one of claims 1-3.

13. A first relay terminal, comprising: A second processor, a second memory, and a second communication bus; The second communication bus is configured to implement a communication connection between the second processor and the second memory; The second processor is configured to execute one or more computer programs stored in the second memory to implement the information reporting method according to any one of claims 4-5.

14. A network device, comprising: A third processor, a third memory, and a third communication bus; The third communication bus is configured to implement a communication connection between the third processor and the third memory; The third processor is configured to execute one or more computer programs stored in the third memory to implement the information reporting method according to any one of claims 6-11.

15. A computer-readable storage medium, on which a computer program is stored, and when the computer program is executed, the information reporting method according to any one of claims 1-11 is implemented.

16. A computer program product, including a computer program, and when the computer program is executed by a processor, the information reporting method according to any one of claims 1-11 is implemented.

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