Information reporting method, terminal, network equipment and storage medium

Abstract

The embodiment of the invention discloses an information reporting method, a terminal, network equipment and a storage medium. The method applied to the terminal comprises the following steps: reporting a first report and / or a second report to the network equipment; wherein the first report is used for indicating the related information of success of the conditional switching CHO event, and the second report is used for indicating the related information of failure of the conditional switching CHO event.

Description

Technical Field

[0001] Embodiments of the present application relate to the field of mobile communication technologies, and in particular, to a method for information reporting, a terminal, a network device, and a storage medium. Background Art

[0002] A non-terrestrial network (NTN), also known as a satellite communication system, refers to communication in which radio communication devices on the ground use a satellite as a relay. A satellite communication system consists of a satellite part and a ground part, as Figure 1 shown. The characteristics of satellite communication are a large communication range. As long as within the range covered by the radio waves emitted by the satellite, communication can be carried out between any two points, and it is not easily affected by land disasters.

[0003] Currently, NTN uses conditional handover (CHO) to improve the robustness of cell handover. CHO means that the network side configures CHO execution conditions and corresponding target cells for the terminal. When the CHO execution conditions are met, the terminal triggers a CHO event to perform cell handover. However, if the configuration of the CHO execution conditions is unreasonable, it may lead to premature or late handover, resulting in handover failure or radio link failure (RLF) immediately after handover, affecting the robustness and reliability of handover. Summary of the Invention

[0004] Embodiments of the present application provide a method for information reporting, a terminal, a network device, and a storage medium. The terminal can report a first report indicating relevant information of a successful CHO event to the network device, or can report a second report indicating relevant information of a failed CHO event to the network device. In this way, the network device can, based on the received report or the specific execution situation of the CHO event, thereby realize the adjustment and / or optimization of CHO configuration in the NTN system, effectively avoiding possible handover failure or RLF situations.

[0005] The technical solution of the embodiments of the present application is implemented as follows:

[0006] Embodiments of the present application provide a method for information reporting, which is applied to a terminal. The method includes:

[0007] Reporting a first report and / or a second report to a network device;

[0008] wherein, the first report is used to indicate relevant information of a successful conditional handover (CHO) event, and the second report is used to indicate relevant information of a failed conditional handover (CHO) event.

[0009] In the above method, the CHO event is successful, and the time-based CHO execution condition is used to trigger the CHO event. The method further includes:

[0010] For the time-based CHO execution condition, if the time interval between the configured start time allowing the triggering of the CHO event and the time when the CHO event is triggered or the time when the CHO configuration is applied is greater than or equal to the first time threshold, or less than or equal to the second time threshold, generate the first report.

[0011] In the above method, the CHO event is successful, and the location-based CHO execution condition is used to trigger the CHO event. The method further includes:

[0012] For the location-based CHO execution condition, if the distance between the terminal and the serving cell reference point is greater than or equal to the first distance threshold when the CHO event is triggered or when the CHO configuration is applied, generate the first report.

[0013] In the above method, the first report includes at least one of the following:

[0014] The time when the CHO event is triggered, or the time interval between the time when the CHO event is triggered and the time when the last CHO execution condition is satisfied;

[0015] For the location-based CHO execution condition, the distance between the terminal and the serving cell reference point when the CHO execution condition is satisfied, and / or the distance between the terminal and the target cell reference point;

[0016] For the location-based CHO execution condition, the distance between the terminal and the serving cell reference point when the duration for satisfying the CHO execution condition reaches the configured CHO event triggering time, and / or the distance between the terminal and the target cell reference point;

[0017] The time when the first CHO execution condition is satisfied;

[0018] The time when the second CHO execution condition is satisfied, or the time interval between the satisfaction of the first CHO execution condition and the second CHO execution condition;

[0019] The reason for triggering the generation of the first report;

[0020] The serving cell measurement result;

[0021] The target cell measurement result;

[0022] The neighboring cell measurement result;

[0023] The location information of the terminal;

[0024] The cell radio network temporary identifier C-RNTI of the terminal.

[0025] In the above method, the second report includes at least one of the following:

[0026] The order and / or time when the CHO execution condition is satisfied;

[0027] For a location-based CHO execution condition, the distance between the terminal and the serving cell reference point, and / or the distance between the terminal and the target cell reference point;

[0028] After a CHO event fails, the cell identifier corresponding to the cell to which the terminal attempts to connect;

[0029] The type of CHO execution condition.

[0030] An embodiment of the present application provides an information reporting method, which is applied to a network device. The method includes:

[0031] Receiving a first report and / or a second report reported by a terminal;

[0032] Wherein, the first report is used to indicate information related to the success of a conditional handover CHO event, and the second report is used to indicate information related to the failure of a CHO event.

[0033] In the above method, the first report includes at least one of the following:

[0034] The time when the CHO event is triggered, or the time interval between the time when the CHO event is triggered and the time when the last CHO execution condition is satisfied;

[0035] For a location-based CHO execution condition, the distance between the terminal and the serving cell reference point when the CHO execution condition is satisfied, and / or the distance between the terminal and the target cell reference point;

[0036] For a location-based CHO execution condition, when the duration for which the CHO execution condition is satisfied reaches the configured CHO event trigger time, the distance between the terminal and the serving cell reference point, and / or the distance between the terminal and the target cell reference point;

[0037] The time when the first CHO execution condition is satisfied;

[0038] The time when the second CHO execution condition is satisfied, or the time interval between the satisfaction of the first CHO execution condition and the second CHO execution condition;

[0039] The reason for triggering the generation of the first report;

[0040] The measurement result of the serving cell;

[0041] Target cell measurement result;

[0042] Neighbor cell measurement result;

[0043] Location information of the terminal;

[0044] Cell Radio Network Temporary Identifier C-RNTI of the terminal.

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

[0046] Sequence and / or time when the CHO execution condition is met;

[0047] For the location-based CHO execution condition, the distance between the terminal and the reference point of the serving cell, and / or the distance between the terminal and the reference point of the target cell;

[0048] Cell identifier corresponding to the cell that the terminal attempts to access after the CHO event fails;

[0049] Type of the CHO execution condition.

[0050] The above method further includes:

[0051] Analyze based on the first report and / or the second report, and perform CHO configuration adjustment and / or optimization.

[0052] In the above method, the analysis based on the first report and the performance of CHO configuration adjustment and / or optimization include at least one of the following:

[0053] If the reason for triggering the generation of the first report in the first report indicates that the terminal triggers the CHO event too late or too early, adjust and / or optimize the CHO execution condition;

[0054] Optimize the selection of the target cell based on the serving cell measurement result, target cell measurement result, neighbor cell measurement result, and location information of the terminal in the first report.

[0055] In the above method, the second report includes the cell identifier corresponding to the cell that the terminal attempts to access after the CHO event fails. The analysis based on the second report and the performance of CHO configuration adjustment and / or optimization include at least one of the following:

[0056] If the cell identifier corresponds to the source cell or the target cell, adjust and / or optimize the CHO execution condition;

[0057] If the cell identifier corresponds to a cell different from the target cell and the source cell, optimize the selection of the target cell.

[0058] An embodiment of the present application provides a terminal, including: a first processor, a first memory, and a first communication bus;

[0059] The first communication bus is used to implement a communication connection between the first processor and the first memory;

[0060] The first processor is used to execute one or more computer programs stored in the first memory to implement an information reporting method applied to the terminal.

[0061] An embodiment of the present application provides a network device, including: a second processor, a second memory, and a second communication bus;

[0062] The second communication bus is used to implement a communication connection between the second processor and the second memory;

[0063] The second processor is used to execute one or more computer programs stored in the second memory to implement an information reporting method applied to the network device.

[0064] An embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the above information reporting method is implemented.

[0065] An embodiment of the present application provides an information reporting method, a terminal, a network device, and a storage medium. The method applied to the terminal includes: reporting a first report and / or a second report to a network device; wherein, the first report is used to indicate relevant information of a successful conditional handover (CHO) event, and the second report is used to indicate relevant information of a failed CHO event. The technical solution provided by the embodiment of the present application enables the terminal to report the first report indicating the relevant information of the successful CHO event to the network device, or report the second report indicating the relevant information of the failed CHO event to the network device. In this way, the network device can perform CHO configuration adjustment and / or optimization in the NTN system based on the received report or the specific execution situation of the CHO event, effectively avoiding possible handover failures or radio link failures (RLF). Description of the Drawings

[0066] Figure 1 It is a schematic diagram of an exemplary NTN transmission architecture provided by an embodiment of the present application

[0067] Figure 2 It is a flowchart of an information reporting method provided by an embodiment of the present application Figure 1 ;

[0068] Figure 3 It is a flowchart of an information reporting method provided by an embodiment of the present application Figure 2 ;

[0069] Figure 4 Structural schematic diagram of a terminal provided by an embodiment of the present application Figure 1 ;

[0070] Figure 5 Structural schematic diagram of a terminal provided by an embodiment of the present application Figure 2 ;

[0071] Figure 6 Structural schematic diagram of a network device provided by an embodiment of the present application Figure 1 ;

[0072] Figure 7 Structural schematic diagram of a network device provided by an embodiment of the present application Figure 2 。 Detailed implementation manners

[0073] In order to make the objectives, technical solutions and advantages of the present application clearer and more understandable, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0074] The technical solutions of the present application will be specifically described below through embodiments and in conjunction with the accompanying drawings, as well as how the technical solutions of the present application solve the above technical problems. The following embodiments can be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments.

[0075] In addition, the technical solutions described in the embodiments of the present application can be combined arbitrarily without conflict.

[0076] An embodiment of the present application provides an information reporting method, which is applied to a terminal. Figure 2 Flow schematic diagram of an information reporting method provided by an embodiment of the present application Figure 1 。As Figure 2 shown, in the embodiment of the present application, the information reporting method applied to the terminal mainly includes the following steps:

[0077] S101. Report a first report and / or a second report to a network device; wherein, the first report is used to indicate information related to the success of a CHO event, and the second report is used to indicate information related to the failure of a CHO event.

[0078] In the embodiment of the present application, the terminal can report a first report and / or a second report to the network device; the first report is used to indicate information related to the success of a conditional handover (CHO) event, and the second report is used to indicate information related to the failure of a conditional handover (CHO) event.

[0079] It should be noted that in the embodiments of the present application, a successful CHO event means a successful CHO handover, and a failed CHO event means a failed CHO handover.

[0080] In the embodiments of the present application, the terminal can report a first report to the network device in a scenario where the CHO event is successful but on the verge of failure, or can report a second report to the network device in a scenario where the CHO event fails. The coverage scenarios are comprehensive, which helps to implement the configuration adjustment and / or optimization of CHO in the NTN system, thereby effectively avoiding possible handover failures or RLF situations.

[0081] It should be noted that in the embodiments of the present application, the first report and / or the second report can be reported by the terminal to the network device after receiving a request message sent by the network device requesting the terminal to report relevant information, or can be reported by the terminal actively to the network device, or the terminal can send a notification message to the network device to notify the network device that the terminal stores relevant information and then report to the network device after receiving the request message sent by the network device. The embodiments of the present application do not make any limitations.

[0082] It should be noted that in the embodiments of the present application, for the first report and / or the second report, the terminal can directly report to the network device, or can be forwarded to the network device through other nodes. The network device can be the source node in the CHO event, or can be called the node that configures the CHO execution conditions for the terminal.

[0083] Exemplarily, the first report can reuse the existing successful handover report (SHR) generated when the terminal completes a cell handover, or new signaling can be added for reporting. If the existing SHR is reused, an element can be added to the SHR or in the existing extension field, and it can be indicated explicitly that the SHR is the first report, or implicitly, for example, by adding the reason for triggering the generation of the first report, to indicate that the SHR is the first report.

[0084] Exemplarily, the second report can reuse the existing RLF report, or new signaling can be added for reporting. If the existing RLF report is reused, an element can be added or in the existing extension field, and it can be indicated explicitly or implicitly that the report is the second report.

[0085] It should be noted that in the embodiments of the present application, the terminal will further trigger a CHO event only when all CHO execution conditions are met. The execution conditions can be measurement-based CHO execution conditions, location-based CHO execution conditions, and time-based CHO execution conditions. Moreover, the measurement-based CHO execution conditions can be configured independently. However, when configuring the location-based CHO execution conditions or the time-based CHO execution conditions, the measurement-based CHO execution conditions need to be configured together.

[0086] In the embodiments of the present application, when the CHO event is successful and the time-based CHO execution condition is used to trigger the CHO event, the terminal can add a time threshold as the trigger condition for the terminal to generate a first report for the time-based CHO execution condition. Specifically, the terminal can perform the following steps: for the time-based CHO execution condition, if the time interval between the configured start time allowed to trigger the CHO event and the time when the CHO event is triggered or the time when the CHO configuration is applied is greater than or equal to the first time threshold, or less than or equal to the second time threshold, generate a first report.

[0087] It can be understood that in the embodiments of the present application, the terminal can monitor whether the above time interval is greater than or equal to the first time threshold and whether it is less than or equal to the second time threshold simultaneously, or it can also monitor only one of them to decide whether to generate a first report, which can be specifically selected and set according to actual requirements, and the embodiments of the present application do not make any limitations.

[0088] It should be noted that in the embodiments of the present application, if the above time interval is less than the first time threshold, the terminal does not generate a first report. Of course, if the above time interval is greater than the second time threshold, the terminal also does not generate a first report.

[0089] It can be understood that in the embodiments of the present application, the first time threshold and the second time threshold are applicable to the time-based CHO execution condition, that is, the terminal needs to trigger the CHO event within a certain time range [t1, t2]. Among them, the function of increasing the first time threshold is to find that the time when the terminal triggers the CHO event is too late, and there may be a risk that the terminal cannot complete the CHO event before the t2 moment, resulting in a handover failure, which helps the network device adjust the t2 moment configuration to reduce the risk of CHO event failure. The function of increasing the second time threshold is to find that the time when the terminal triggers the CHO event is too early. If the t1 moment is configured too late, there may be a risk of RLF before the terminal triggers the CHO event, which helps the network adjust the t1 moment configuration to reduce the risk of RLF.

[0090] It should be noted that in the embodiments of the present application, the first time threshold and the second time threshold can be pre-configured by the network device and sent to the terminal or defined in the protocol. Specifically, the first time threshold and the second time threshold can be represented in any of the following forms:

[0091] The absolute value of the duration, and the unit can be ms; for example, the first time threshold is 100 ms, indicating 100 ms after the moment t1, that is, t1 + 100 ms;

[0092] In a proportional form. For example, the first time threshold is 80%, indicating Duration × 80% after the moment t1, that is, t1 + Duration × 80%; where t1 and Duration are configured by the network and sent to the terminal in the time-based CHO execution condition, and Duration represents the duration allowed to trigger the CHO event.

[0093] It can be understood that in the embodiments of the present application, the first time threshold and the second time threshold can be the absolute value of the duration. In this case, the above time interval can be directly compared with the first time threshold and the second time threshold. Of course, the first time threshold and the second time threshold can also be in a proportional form. In this case, it is necessary to convert the above time interval into information in the same dimension as the time threshold, calculate the ratio of the above time interval to Duration. The above time interval is greater than or equal to the first time threshold, that is, the ratio is greater than or equal to the first time threshold. Correspondingly, the above time interval is less than or equal to the second time threshold, that is, the ratio is less than or equal to the second time threshold.

[0094] In the embodiments of the present application, when the CHO event is successful and the location-based CHO execution condition is used to trigger the CHO event, the terminal can add a distance threshold as the trigger condition for the terminal to generate the first report for the location-based CHO execution condition. Specifically, the terminal can perform the following steps: for the location-based CHO execution condition, if the distance between the terminal and the reference point of the serving cell is greater than or equal to the first distance threshold when the CHO event is triggered or when the CHO configuration is applied, generate the first report.

[0095] It should be noted that in the embodiments of the present application, if the above distance is less than the first distance threshold, the terminal does not generate the first report.

[0096] It can be understood that in the embodiments of the present application, the first distance threshold is applicable to the location-based CHO execution condition. Among them, the function of adding the first distance threshold is to discover that after the terminal reaches the distance threshold between the terminal and the serving cell reference point configured for the location-based CHO execution condition and continuously reaches the CHO event trigger time (time to Trigger), the actual position where the terminal triggers the CHO event has been located at the cell edge, and there may be a risk of RLF occurring before the terminal triggers the CHO event, which helps the network device to adjust and / or optimize the distance threshold and CHO event trigger event configured for the location-based CHO execution condition.

[0097] It should be noted that in the embodiments of the present application, the first distance threshold can be pre-configured by the network device and sent to the terminal or defined in the protocol. Specifically, the first distance threshold can be expressed in any of the following forms:

[0098] The absolute value of the distance, and the unit can be m or km; for example, when the first distance threshold takes a value of 1000 m, it means the distance from the serving cell reference point is 1000 m;

[0099] In the form of a ratio. For example, when the first distance threshold takes a value of 120%, it means the distance reference threshold × 120%, that is, the distance from the serving cell reference position is the distance reference threshold × 120%; or when the first distance threshold takes a value of 20%, it means the distance reference threshold × (1 + 20%).

[0100] It can be understood that in the embodiments of the present application, the first distance threshold can be the absolute value of the distance. In this case, the above distance can be directly compared with the first distance threshold. Of course, the first distance threshold can also be in the form of a ratio. In this case, it is necessary to convert the above distance into information on the same dimension as the first distance threshold, calculate the ratio of the above distance to the distance reference threshold, and then make a comparison.

[0101] In the embodiments of the present application, the first report includes at least one of the following:

[0102] The moment when the CHO event is triggered, or the time interval between the moment when the CHO event is triggered and the moment when the last CHO execution condition is satisfied;

[0103] For the location-based CHO execution condition, the distance between the terminal and the serving cell reference point when the CHO execution condition is satisfied, and / or the distance between the terminal and the target cell reference point;

[0104] For the location-based CHO execution condition, the distance between the terminal and the serving cell reference point, and / or the distance between the terminal and the target cell reference point when the duration of satisfying the CHO execution condition reaches the configured CHO event trigger time;

[0105] The moment when the first CHO execution condition is satisfied;

[0106] The moment when the second CHO execution condition is satisfied, or the time interval between the moment when the first CHO execution condition is satisfied and the moment when the second CHO execution condition is satisfied;

[0107] The reason for triggering the generation of the first report;

[0108] Serving cell measurement results;

[0109] Target cell measurement results;

[0110] Neighboring cell measurement results;

[0111] Terminal location information;

[0112] The cell radio network temporary identity C-RNTI of the terminal.

[0113] It should be noted that in the embodiments of the present application, the first report may include the moment when the CHO event is triggered, or the time interval between the moment when the CHO event is triggered and the moment when the last CHO execution condition is satisfied. Among them, the terminal will further trigger the CHO event only when all CHO execution conditions are satisfied. When the network device configures one CHO execution condition for the terminal, the last CHO execution condition is the first CHO execution condition. When the network device configures two CHO execution conditions for the terminal, the last CHO execution condition is the second satisfied CHO execution condition. The moment when the CHO event is triggered, or the time interval between the moment when the CHO event is triggered and the moment when the last CHO execution condition is satisfied, can assist the network device in adjusting and / or optimizing the above-mentioned t1 moment and t2 moment.

[0114] It should be noted that in the embodiments of the present application, the moment when the first CHO execution condition is satisfied can be represented by Coordinated Universal Time (UTC). This information can assist the network device in adjusting and optimizing and / or the above-mentioned t1 moment and t2 moment.

[0115] It should be noted that in the embodiments of the present application, when two CHO execution conditions are configured, the moment when the second CHO execution condition is satisfied, or the time interval between the moment when the first CHO execution condition is satisfied and the moment when the second CHO execution condition is satisfied, can assist the network device in adjusting and / or optimizing the above-mentioned t1 moment and t2 moment.

[0116] It should be noted that in the embodiments of the present application, for the location-based CHO execution condition, when the distance between the terminal and the serving cell reference point, and / or the distance between the terminal and the target cell reference point meet the CHO execution condition, it can assist the network device to adjust and / or optimize the distance threshold configured for the location-based CHO execution condition.

[0117] It should be noted that in the embodiments of the present application, for the location-based CHO execution condition, when the duration of meeting the CHO execution condition reaches the configured CHO event trigger time, the distance between the terminal and the serving cell reference point, and / or the distance between the terminal and the target cell reference point can assist the network to adjust and / or optimize the distance threshold and the CHO event trigger time configured for the location-based CHO execution condition.

[0118] It should be noted that in the embodiments of the present application, the reasons for triggering the generation of the first report, for example, using 4 bits to respectively correspond to the first time threshold, the second time threshold, the first distance threshold, and triggering based on measurement, where the reason corresponding to the bit set to 1 indicates the reason for triggering the generation of the first report.

[0119] It should be noted that in the embodiments of the present application, the serving cell measurement results, such as Reference Signal Receiving Power (RSRP) / Reference Signal Receiving Quality (RSRQ) / Signal to Interference plus Noise Ratio (SINR); the target cell measurement results, such as RSRP / RSRQ / SINR; the neighboring cell measurement results, such as RSRP / RSRQ / SINR; the Cell Radio Network Temporary Identifier (C-RNTI) of the terminal, such as the target C-RNTI or the source C-RNTI.

[0120] In an embodiment of the present application, in the scenario where a CHO event fails, the terminal may report a second report to the network device. The failure of the CHO event may be caused by the terminal making an early handover, a late handover, or an incorrect cell handover. Among them, an early handover means that the terminal fails a CHO event or immediately experiences an RLF after the CHO event is successful, and the cell that the terminal attempts to re-establish is still the source cell, that is, the CHO execution condition is met prematurely; a late handover means that after the terminal experiences an RLF, the cell that the terminal attempts to re-establish is the target cell, that is, the RLF occurs before the CHO execution condition is met; an incorrect cell handover means that after the terminal fails, it is found that the appropriate cell for the terminal to enter is a cell other than the source cell and the target cell, that is, the appropriate cell is not in the source cell and the selected target cell.

[0121] In an embodiment of the present application, the second report includes at least one of the following:

[0122] The order and / or time when the CHO execution condition is met;

[0123] For the location-based CHO execution condition, the distance between the terminal and the reference point of the serving cell, and / or, the distance between the terminal and the reference point of the target cell;

[0124] After the CHO event fails, the cell identifier corresponding to the cell that the terminal attempts to connect to;

[0125] The type of the CHO execution condition.

[0126] It should be noted that in an embodiment of the present application, for the order and / or time when the CHO execution condition is met, specifically, if only one CHO execution condition is configured, record the time when the condition is met. If this field is empty, it indicates that the CHO execution condition is not met; if two CHO execution conditions are configured, record the times when the two conditions are met respectively in chronological order. If this field is empty, it indicates that both CHO execution conditions are not met. If this field only records the time when one condition is met, it indicates that the other CHO execution condition is not met; if two CHO execution conditions are configured, it is also possible to record the time when the first CHO execution condition is met, and the time interval between the time when the second CHO execution condition is met and the time when the first CHO execution condition is met. If this field is empty, it indicates that both CHO execution conditions are not met. If this field only records the time when one CHO execution condition is met, it indicates that the other CHO execution condition is not met.

[0127] It should be noted that in the embodiments of the present application, for the position-based CHO execution condition, the distance between the terminal and the serving cell reference point, and / or the distance between the terminal and the target cell reference point refer to the distance between the terminal and the serving cell reference point, and / or the distance between the terminal and the target cell reference point when handover fails or RLF occurs.

[0128] It should be noted that in the embodiments of the present application, the types of CHO execution conditions, for example, 3 bits are respectively used to correspond to measurement-based CHO triggering, position-based CHO triggering, and time-based CHO triggering; among them, measurement-based CHO triggering means that the terminal is only configured with measurement-based CHO execution conditions; position-based CHO triggering means that the terminal is configured with position-based and measurement-based CHO execution conditions; time-based CHO triggering means that the terminal is configured with time-based and measurement-based CHO execution conditions.

[0129] In the embodiments of the present application, first, the terminal can report relevant reports to the network device when the CHO event is successful and failed, covering a comprehensive scenario, which helps to implement the configuration adjustment and / or optimization of CHO in the NTN system, thereby effectively avoiding possible handover failures or RLF situations; second, fully considering the particularity of the NTN system, there are not only traditional measurement-based CHO execution conditions, but also time-based or position-based CHO execution conditions. The generation of the first report and the information of the first report and the second report are respectively defined for time-based or position-based CHO execution conditions, so that the network device can optimize the CHO configuration targeted; third, adding a first time threshold and / or a second time threshold as the trigger condition for the terminal to generate the first report can effectively avoid premature or late triggering of the CHO event, thereby improving the robustness and success rate of the CHO event; fourth, adding a first distance threshold as the trigger condition for the terminal to generate the first report can effectively avoid the situation that the terminal triggers the CHO event too late due to unreasonable configuration of the distance from the reference point or the CHO event trigger time, and there is no RLF before the CHO, ensuring the stability of the user experience.

[0130] The embodiments of the present application provide an information reporting method, which is applied to a network device. Figure 3 The process schematic of an information reporting method provided by the embodiments of the present application Figure 2 . As Figure 3 shown, in the embodiments of the present application, the information reporting method applied to the network device mainly includes the following steps:

[0131] S201. Receive the first report and / or the second report reported by the terminal; wherein, the first report is used to indicate relevant information of the successful CHO event, and the second report is used to indicate relevant information of the failed CHO event.

[0132] It should be noted that in the embodiments of the present application, the network device receives the first report and / or the second report reported by the terminal, which may be directly received from the terminal or received through forwarding by other nodes from other nodes.

[0133] In the embodiments of the present application, the first report includes at least one of the following:

[0134] The moment when the CHO event is triggered, or the time interval between the moment when the CHO event is triggered and the moment when the last CHO execution condition is satisfied;

[0135] For the location-based CHO execution condition, the distance between the terminal and the serving cell reference point when the CHO execution condition is satisfied, and / or the distance between the terminal and the target cell reference point;

[0136] For the location-based CHO execution condition, the distance between the terminal and the serving cell reference point when the duration for which the CHO execution condition is satisfied reaches the CHO event trigger time, and / or the distance between the terminal and the target cell reference point;

[0137] The moment when the first CHO execution condition is satisfied;

[0138] The moment when the second CHO execution condition is satisfied, or the time interval between the satisfaction of the first CHO execution condition and the second CHO execution condition;

[0139] The reason for triggering the generation of the first report;

[0140] The serving cell measurement result;

[0141] The target cell measurement result;

[0142] The neighboring cell measurement result;

[0143] The location information of the terminal;

[0144] The cell radio network temporary identity C-RNTI of the terminal.

[0145] In the embodiments of the present application, the second report includes at least one of the following:

[0146] The order and / or moment when the CHO execution condition is satisfied;

[0147] For the location-based CHO execution condition, the distance between the terminal and the serving cell reference point, and / or the distance between the terminal and the target cell reference point;

[0148] The cell identifier corresponding to the cell that the terminal attempts to access after the CHO event fails;

[0149] Type of CHO execution condition.

[0150] It should be noted that in the embodiments of the present application, the information included in the first report and the second report respectively is consistent with the relevant content in the above terminal-side method, and will not be elaborated here.

[0151] In the embodiments of the present application, the network device can perform analysis based on the first report and / or the second report to perform CHO configuration adjustment and / or optimization.

[0152] In the embodiments of the present application, the network device performs analysis based on the first report to perform CHO configuration adjustment and / or optimization, including at least one of the following:

[0153] If the reason for triggering the generation of the first report in the first report indicates that the terminal triggers the CHO event too late or too early, adjust and / or optimize the CHO execution condition;

[0154] Based on the serving cell measurement result, target cell measurement result, neighbor cell measurement result and the location information of the terminal in the first report, adjust and / or optimize the selection of the target cell.

[0155] It should be noted that in the embodiments of the present application, if the first report is triggered based on the first time threshold, that is, the reason for triggering the generation of the first report indicates that the terminal triggers the CHO event too late, the duration of the allowed trigger CHO time configured in the CHO execution condition can be increased according to the time when the CHO event is triggered in the first report or the time interval between the time when the CHO event is triggered and the time when the last CHO execution condition is satisfied, or the above t1 moment can be postponed according to the time when the first CHO execution condition is satisfied or the time when the second CHO execution condition is satisfied or the time interval between the time when the second CHO execution condition is satisfied and the time when the first CHO execution condition is satisfied in the first report, that is, the time range for executing CHO is shifted backward as a whole, where the execution condition in this case refers to the time-based CHO execution condition.

[0156] It should be noted that in the embodiments of the present application, if a first report is generated based on a first distance threshold, that is, the reason for triggering the generation of the first report indicates that the terminal triggers the CHO event too late, which actually means that the terminal is located near the cell edge. The moving distance of the terminal within the CHO event trigger time can be calculated based on the distance between the terminal and the reference point of the serving cell when the terminal meets the CHO execution condition and the measurement event in the first report, and the distance between the terminal and the reference point of the serving cell when the duration for which the terminal meets the CHO execution condition reaches the configured CHO event trigger time. If the moving distance is too large, the CHO event trigger time configured in the CHO execution condition can be shortened, or the distance reference threshold configured in the CHO execution condition can be shortened, and / or a new distance reference threshold can be added. Herein, the CHO execution condition in this case refers to the location-based CHO execution condition.

[0157] It should be noted that in the embodiments of the present application, if a first report is generated based on a second time threshold, that is, the reason for triggering the generation of the first report indicates that the terminal triggers the CHO event too early, the t1 moment configured in the CHO execution condition can be advanced according to the moment of triggering the CHO event or the time interval between the moment of triggering the CHO event and the moment of meeting the last CHO execution condition in the first report. Especially when the time interval is large, it indicates that the configured t1 moment is relatively late and needs to be advanced. Herein, the execution condition in this case refers to the time-based CHO execution condition.

[0158] In the embodiments of the present application, the second report contains the cell identifier corresponding to the cell that the terminal attempts to access after the CHO event fails. Based on the analysis of the second report, CHO configuration adjustment and / or optimization are performed, including at least one of the following:

[0159] If the cell identifier corresponds to the source cell or the target cell, adjust and / or optimize the CHO execution condition;

[0160] If the cell identifier corresponds to a cell different from the target cell and the source cell, adjust and / or optimize the selection of the target cell.

[0161] It should be noted that in the embodiments of the present application, if the cell that the terminal attempts to access after the CHO event fails is the source cell, it means that the terminal switches too early. The network device can consider increasing the threshold value configured for the CHO execution condition according to the moment when the terminal meets the CHO execution condition in the second report; for the location-based CHO execution condition, the configured distance reference threshold can also be increased, and the specific value needs to be determined comprehensively according to the distance between the terminal and the reference point of the serving cell, and / or the distance between the terminal and the reference point of the target cell in the second report; for the time-based CHO execution condition, the configured t1 moment can also be postponed, and the specific value is determined according to the moment when the CHO execution condition is met.

[0162] It should be noted that in the embodiments of the present application, after the CHO event fails, if the cell to which the terminal attempts to connect is the target cell, it indicates that the terminal switches too late. The network device may appropriately reduce the configured threshold value according to the time when the CHO execution condition is satisfied or not satisfied in the second report; for the location-based CHO execution condition, the configured distance reference threshold may also be reduced; for the time-based CHO execution condition, the configured t1 time may also be advanced, and the specific value is determined according to the time when the CHO execution condition is satisfied.

[0163] It should be noted that in the embodiments of the present application, after the CHO event fails, if the cell to which the terminal attempts to connect is a cell other than the source cell and the target cell, it indicates that the terminal performs a handover to the wrong cell. The network device may optimize the selection of the target cell. Among them, similar to the above-mentioned first report, the second report may also include serving cell measurement results, target cell measurement results, neighboring cell measurement results, and the location information of the terminal, which is used to optimize the selection of the target cell. Of course, the selection of the target cell may also be optimized based on other information or rules, which is not limited in the embodiments of the present application.

[0164] The embodiments of the present application also provide a terminal. Figure 4 The structural schematic diagram of a terminal provided by the embodiments of the present application Figure 1 As Figure 4 shown, in the embodiments of the present application, the terminal includes:

[0165] A sending module 301, configured to report a first report and / or a second report to the network device;

[0166] Wherein, the first report is used to indicate information related to the success of the CHO event, and the second report is used to indicate information related to the failure of the conditional handover CHO event.

[0167] In an embodiment of the present application, for the CHO event that is successful and the time-based CHO execution condition triggers the CHO event, the terminal further includes a first processing module 302 (not shown in the figure);

[0168] The first processing module 302 is configured to generate the first report for the time-based CHO execution condition if the time interval between the configured start time allowing the triggering of the CHO event and the time when the CHO event is triggered or the time when the CHO configuration is applied is greater than or equal to the first time threshold or less than or equal to the second time threshold.

[0169] In an embodiment of the present application, the CHO event is successful, and the location-based CHO execution condition is used to trigger the CHO event. The first processing module 302 is further configured to generate the first report for the location-based CHO execution condition if the distance between the terminal and the serving cell reference point is greater than or equal to the first distance threshold when the CHO event is triggered or when the CHO configuration is applied.

[0170] In an embodiment of the present application, the first report includes at least one of the following:

[0171] The moment when the CHO event is triggered, or the time interval between the moment when the CHO event is triggered and the moment when the last CHO execution condition is satisfied;

[0172] For the location-based CHO execution condition, the distance between the terminal and the serving cell reference point when the CHO execution condition is satisfied, and / or the distance between the terminal and the target cell reference point;

[0173] For the location-based CHO execution condition, the distance between the terminal and the serving cell reference point when the duration for satisfying the CHO execution condition reaches the configured CHO event trigger time, and / or the distance between the terminal and the target cell reference point;

[0174] The moment when the first CHO execution condition is satisfied;

[0175] The moment when the second CHO execution condition is satisfied, or the time interval between the satisfaction of the first CHO execution condition and the second CHO execution condition;

[0176] The reason for triggering the generation of the first report;

[0177] The serving cell measurement result;

[0178] The target cell measurement result;

[0179] The neighbor cell measurement result;

[0180] The location information of the terminal;

[0181] The cell radio network temporary identity C-RNTI of the terminal.

[0182] In an embodiment of the present application, the second report includes at least one of the following:

[0183] The order and / or moment of satisfying the CHO execution condition;

[0184] For the location-based CHO execution condition, the distance between the terminal and the serving cell reference point, and / or the distance between the terminal and the target cell reference point;

[0185] The cell identifier corresponding to the cell to which the terminal attempts to connect after a CHO event fails;

[0186] The type of CHO execution condition.

[0187] Figure 5 The structural schematic of a terminal provided by an embodiment of the present application Figure 2 As Figure 5 shown, in the embodiment of the present application, the terminal includes: a first processor 401, a first memory 402, and a first communication bus 403;

[0188] The first communication bus 403 is used to implement the communication connection between the first processor 401 and the first memory 402;

[0189] The first processor 401 is used to execute one or more computer programs stored in the first memory 402 to implement an information reporting method applied to the terminal.

[0190] An embodiment of the present application further provides a network device. Figure 6 The structural schematic of a network device provided by an embodiment of the present application Figure 1 As Figure 6 shown, in the embodiment of the present application, the network device includes:

[0191] A receiving module 501, configured to receive a first report and / or a second report reported by a terminal;

[0192] Wherein, the first report is used to indicate information related to the success of a conditional handover (CHO) event, and the second report is used to indicate information related to the failure of the CHO event.

[0193] In an embodiment of the present application, the first report includes at least one of the following:

[0194] The moment when the CHO event is triggered, or the time interval between the moment when the CHO event is triggered and the moment when the last CHO execution condition is satisfied;

[0195] For a location-based CHO execution condition, the distance between the terminal and the serving cell reference point, and / or the distance between the terminal and the target cell reference point when the CHO execution condition is satisfied;

[0196] For a location-based CHO execution condition, the distance between the terminal and the serving cell reference point, and / or the distance between the terminal and the target cell reference point when the duration for which the CHO execution condition is satisfied reaches the configured CHO event trigger time;

[0197] The moment when the first CHO execution condition is satisfied;

[0198] The moment when the second CHO execution condition is satisfied, or the time interval between the satisfaction of the first CHO execution condition and the second CHO execution condition;

[0199] The reason for triggering the generation of the first report;

[0200] The serving cell measurement result;

[0201] The target cell measurement result;

[0202] The neighboring cell measurement result;

[0203] The location information of the terminal;

[0204] The cell radio network temporary identity C-RNTI of the terminal.

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

[0206] The order and / or moment of satisfying the CHO execution condition;

[0207] For the location-based CHO execution condition, the distance between the terminal and the serving cell reference point, and / or the distance between the terminal and the target cell reference point;

[0208] The cell identifier corresponding to the cell that the terminal attempts to access after the CHO event fails;

[0209] The type of the CHO execution condition.

[0210] In an embodiment of the present application, the network device further includes: a second processing module 502 (not shown in the figure);

[0211] The second processing module 502 is configured to perform analysis based on the first report and / or the second report, and perform CHO configuration adjustment and / or optimization.

[0212] In an embodiment of the present application, the second processing module 502 is configured to perform at least one of the following:

[0213] If the reason for triggering the generation of the first report in the first report indicates that the terminal triggers the CHO event too late or too early, adjust and / or optimize the CHO execution condition;

[0214] Based on the serving cell measurement result, the target cell measurement result, the neighboring cell measurement result, and the location information of the terminal in the first report, adjust and / or optimize the selection of the target cell.

[0215] In an embodiment of the present application, the second report includes the cell identifier corresponding to the cell to which the terminal attempts to connect after a CHO event fails. The second processing module 502 is configured to perform at least one of the following:

[0216] If the cell identifier corresponds to the source cell or the target cell, adjust and / or optimize the CHO execution conditions;

[0217] If the cell identifier corresponds to a cell different from the target cell and the source cell, adjust and / or optimize the selection of the target cell.

[0218] Figure 7 Structural schematic of a network device provided by an embodiment of the present application Figure 2 As Figure 7 shown, in an embodiment of the present application, the network device includes: a second processor 601, a second memory 602, and a second communication bus 603;

[0219] The second communication bus 603 is used to implement a communication connection between the second processor 601 and the second memory 602;

[0220] The second processor 601 is configured to execute one or more computer programs stored in the second memory 602 to implement an information reporting method applied to the network device.

[0221] An embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the above information reporting method is implemented. The computer-readable storage medium may be a volatile memory, such as a random access memory (RAM); or a non-volatile memory, such as a read-only memory (ROM), a flash memory, a hard disk drive (HDD), or a solid-state drive (SSD); it may also 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 should understand that the embodiments of the present application can be provided as a method, a system, or a computer program product. Therefore, the present application can take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Moreover, the present application can take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) that contain computer-usable program code.

[0223] The present application is described with reference to the schematic implementation flowchart and / or block diagram of a method, a device (system), and a computer program product according to the embodiments of the present application. It should be understood that each process and / or block in the schematic implementation flowchart and / or block diagram can be implemented by computer program instructions, and the combination of the processes and / or blocks in the schematic implementation flowchart and / or block diagram can also be implemented. These computer program instructions can be provided to the processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing devices to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing devices generate means for implementing the functions specified in one process or multiple processes and / or blocks Figure 1 one process or multiple processes and / or blocks Figure 1 in the schematic implementation flowchart.

[0224] These computer program instructions can also be stored in a computer-readable memory that can direct a computer or other programmable data processing devices to work in a specific manner, so that the instructions stored in the computer-readable memory generate a manufactured product including instruction means, and the instruction means implements the functions specified in one process or multiple processes and / or blocks Figure 1 one process or multiple processes and / or blocks Figure 1 in the schematic implementation flowchart.

[0225] These computer program instructions can also be loaded onto a computer or other programmable data processing devices, so that a series of operation steps are executed on the computer or other programmable devices to generate a computer-implemented process. Therefore, the instructions executed on the computer or other programmable devices provide steps for implementing the functions specified in one process or multiple processes and / or blocks Figure 1 one process or multiple processes and / or blocks Figure 1 in the schematic implementation flowchart.

[0226] As described above, the above is only the specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed in the present application should be covered by the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An information reporting method, characterized in that, applied to a terminal, the method includes: reporting a first report and / or a second report to a network device; wherein, the first report is used to indicate information related to the successful conditional handover (CHO) event, and the second report is used to indicate information related to the failed CHO event.

2. The method according to claim 1, characterized in that, for a successful CHO event, the execution condition for triggering the CHO event is a time-based CHO execution condition, and the method further includes: for the time-based CHO execution condition, if the time interval between the configured start time allowed to trigger the CHO event and the time when the CHO event is triggered or the time when the CHO configuration is applied is greater than or equal to a first time threshold, or less than or equal to a second time threshold, generating the first report.

3. The method according to claim 1, characterized in that, for a successful CHO event, the execution condition for triggering the CHO event is a location-based CHO execution condition, and the method further includes: for the location-based CHO execution condition, if the distance between the terminal and the serving cell reference point is greater than or equal to a first distance threshold when the CHO event is triggered or when the CHO configuration is applied, generating the first report.

4. The method according to claim 1, characterized in that, the first report includes at least one of the following: the time when the CHO event is triggered, or the time interval between the time when the CHO event is triggered and the time when the last CHO execution condition is satisfied; for the location-based CHO execution condition, the distance between the terminal and the serving cell reference point, and / or the distance between the terminal and the target cell reference point when the CHO execution condition is satisfied; for the location-based CHO execution condition, the distance between the terminal and the serving cell reference point, and / or the distance between the terminal and the target cell reference point when the duration of satisfying the CHO execution condition reaches the configured CHO event triggering time; the time when the first CHO execution condition is satisfied; the time when the second CHO execution condition is satisfied, or the time interval between the satisfaction of the first CHO execution condition and the second CHO execution condition; the reason for triggering the generation of the first report; the serving cell measurement result; the target cell measurement result; the neighbor cell measurement result; the location information of the terminal; the cell radio network temporary identity (C-RNTI) of the terminal.

5. The method according to claim 1, characterized in that, the second report includes at least one of the following: the order and / or time when the CHO execution condition is satisfied; for the location-based CHO execution condition, the distance between the terminal and the serving cell reference point, and / or the distance between the terminal and the target cell reference point; the cell identifier corresponding to the cell that the terminal attempts to connect to after the CHO event fails; the type of the CHO execution condition.

6. An information reporting method, characterized in that, applied to a network device, the method includes: receiving the first report and / or the second report reported by the terminal; Wherein, the first report is used to indicate information related to the successful condition switch CHO event, and the second report is used to indicate information related to the failed CHO event.

7. The method according to claim 6, wherein, the first report includes at least one of the following: the moment when the CHO event is triggered, or the time interval between the moment when the CHO event is triggered and the moment when the last CHO execution condition is satisfied; for the location-based CHO execution condition, the distance between the terminal and the serving cell reference point, and / or the distance between the terminal and the target cell reference point when the CHO execution condition is satisfied; for the location-based CHO execution condition, the distance between the terminal and the serving cell reference point, and / or the distance between the terminal and the target cell reference point when the duration for satisfying the CHO execution condition reaches the configured CHO event trigger time; the moment when the first CHO execution condition is satisfied; the moment when the second CHO execution condition is satisfied, or the time interval between the satisfaction of the first CHO execution condition and the second CHO execution condition; the reason for triggering the generation of the first report; the serving cell measurement result; the target cell measurement result; the neighbor cell measurement result; the location information of the terminal; the cell radio network temporary identity C-RNTI of the terminal.

8. The method according to claim 6, wherein, the second report includes at least one of the following: the order and / or moment of satisfying the CHO execution condition; for the location-based CHO execution condition, the distance between the terminal and the serving cell reference point, and / or the distance between the terminal and the target cell reference point; the cell identifier corresponding to the cell that the terminal attempts to access after the CHO event fails; the type of the CHO execution condition.

9. The method according to claim 6, wherein, the method further includes: analyzing based on the first report and / or the second report, and performing CHO configuration adjustment and / or optimization.

10. The method according to claim 9, wherein, the analyzing based on the first report and performing CHO configuration adjustment and / or optimization includes at least one of the following: if the reason for triggering the generation of the first report in the first report indicates that the terminal triggers the CHO event too late or too early, adjusting and / or optimizing the CHO execution condition; adjusting and / or optimizing the selection of the target cell based on the serving cell measurement result, the target cell measurement result, the neighbor cell measurement result, and the location information of the terminal in the first report.

11. The method according to claim 9, wherein, the second report includes the cell identifier corresponding to the cell that the terminal attempts to access after the CHO event fails, and the analyzing based on the second report and performing CHO configuration adjustment and / or optimization includes at least one of the following: if the cell identifier corresponds to the source cell or the target cell, adjusting and / or optimizing the CHO execution condition; If the cell identifier corresponds to a cell different from the target cell and the source cell, adjust and / or optimize the selection of the target cell.

12. A terminal, characterized in that it includes: a first processor, a first memory, and a first communication bus; the first communication bus is used 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 1-5.

13. A network device, characterized in that it includes: a second processor, a second memory, and a second communication bus; the second communication bus is used 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 6-11.

14. A computer-readable storage medium, on which a computer program is stored, characterized in that when the computer program is executed by a processor, it implements the information reporting method according to any one of claims 1-11.

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