An information processing method, apparatus, device, and readable storage medium

Abstract

The application discloses an information processing method and device, equipment and a readable storage medium, and relates to the technical field of communication, so as to improve the success rate of conditional switching. The method comprises the following steps: reporting conditional switching information to a network device. The embodiment of the application can improve the success rate of conditional switching.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of communication, and in particular to an information processing method and device, equipment and a readable storage medium. BACKGROUND

[0002] Non-Terrestrial-Networks (NTN) is a network using satellites or airborne platforms to carry radio frequency modules. NTN is divided into two types of transparent satellites and regenerative satellites according to whether the satellite has all the functions of a base station; and is divided into GEO (Geosynchronous Earth Orbit), MEO (Medium Earth Orbit), LEO (Low Earth Orbit), HAPS (High Altitude Platform Station) and the like according to the height of the platform.

[0003] The NTN network generally includes an NTN terminal, a service link, a payload airborne platform, a feeder link and a gateway. Among them:

[0004] NTN terminal: can include ordinary user UE, and can also include a dedicated terminal UE (User Equipment) of a satellite system.

[0005] Service link: refers to the radio link between the user equipment and the space / airborne platform.

[0006] Payload airborne platform: bent pipe payload: radio frequency filtering, frequency conversion and amplification, without processing the signal; regenerative payload: radio frequency filtering, frequency conversion and amplification, demodulation and decoding, switching and routing, encoding and modulation, which is actually equivalent to having the function of a base station on a space or airborne vehicle.

[0007] Gateway: a gateway connecting the satellite or airborne access network to the core network.

[0008] Feeder link: refers to the radio link between the gateway and the space / airborne platform.

[0009] The height of NTN deployment is very high, and the coverage is very large. For GEO, the height is 35875km, and for LEO, it is also 600km, and the coverage is about a few hundred kilometers. Due to the large cell and many users, when the satellite moves, it will cause a large number of users to need to complete the handover at a given time, bringing huge signaling load pressure.

[0010] Conditional Handover (CHO) is defined as a handover performed by the UE when one or more handover execution conditions are met. The UE begins evaluating the execution conditions upon receiving the CHO configuration and stops evaluating once the conditions are met. CHO allows for pre-configuration of measurement and triggering conditions, addressing handover failures caused by long end-to-end link times in NTN networks and improving the robustness of NTN handovers. Through CHO, the network can perform necessary mobility configuration for the UE to access a suitable target cell triggered by the configured conditions. When the handover conditions are met, the UE uses the resources of the target cell to initiate access.

[0011] Existing conditional handover methods are primarily based on measurement triggering. However, due to the deployment conditions of NTN (Network Telecommunication Network), measurement-based triggering has limitations. For example, the changes in cell signal quality measured at the cell center and cell edge are very small in NTN, making measurement-based triggering unsuitable. Therefore, for NTN, various other CHO (Conditional Handover Occurrence) triggering methods need to be considered, such as those based on satellite ephemeris, UE location, and time. Whether conditional handover in NTN brings performance gains depends on the rationality of the terminal configuration parameters. These parameters are often configured based on experience, which can lead to handover failures due to unreasonable configuration parameters or thresholds. Summary of the Invention

[0012] This application provides an information processing method, apparatus, device, and readable storage medium to improve the success rate of condition switching.

[0013] In a first aspect, embodiments of this application provide an information processing method applied to a terminal, comprising:

[0014] Report condition switching information to network devices.

[0015] The condition switching information includes:

[0016] The handover triggering conditions configured for the terminal by the network device and / or the handover triggering conditions that the terminal has already met in the target cell.

[0017] The switching triggering conditions include one or more of the following conditions:

[0018] The distance between the terminal and the satellite;

[0019] The distance between the terminal and the center of the satellite-covered cell;

[0020] The distance between the terminal and the edge of the satellite coverage cell;

[0021] The change in distance between the terminal's reference position and the estimated position of the target satellite;

[0022] The time when the terminal triggers the switching of conditions;

[0023] The time from when the terminal receives the condition switching configuration to when the condition switching is triggered;

[0024] Timing advance value from the terminal to the target base station;

[0025] The elevation angle between the terminal at a first position in the source cell and the satellite, and the elevation angle between the terminal at a second position in the target cell and the satellite, wherein the first position and the second position are the same;

[0026] The measured values ​​of RSRP (Reference Signal Received Power) and / or RSRQ (Reference Signal Received Quality) of the terminal in the source cell; the measured values ​​of RSRP and / or RSRQ of the terminal in the target cell.

[0027] The condition switching information includes one or more of the following conditions:

[0028] When the terminal successfully switches to the target cell, all handover triggering conditions and measurement values ​​of the successful handover are recorded.

[0029] When the terminal handover fails, all candidate cells do not meet the handover triggering conditions and the measurement values ​​under the unmet handover triggering conditions;

[0030] Measurement values ​​obtained when the terminal switching fails or the wireless link fails;

[0031] The measurement value obtained by the terminal under the currently met switching trigger conditions.

[0032] The condition switching information includes:

[0033] When a terminal is configured with multiple trigger conditions, at least one of the following information is required:

[0034] The order in which multiple triggering conditions are met, the time interval between the fulfillment of multiple triggering conditions, and the measured values ​​of other triggering conditions when the first triggering condition is met.

[0035] The measured value includes one or more of the following:

[0036] The current distance between the terminal and the satellite;

[0037] The current distance between the terminal and the center of the satellite coverage cell;

[0038] The current distance between the terminal and the edge of the satellite coverage cell;

[0039] The terminal receives the current time of the conditional switching configuration;

[0040] The current time of the terminal trigger condition switching;

[0041] The timing advance value of the terminal to the target base station;

[0042] The elevation angle between the terminal's current location and the satellite;

[0043] The measured values ​​of the reference signal received power (RSRP) and / or the reference signal received quality (RSRQ) of the terminal in the source cell;

[0044] The terminal's RSRP and / or RSRQ measurements in the target cell.

[0045] When the target cell meets all the handover triggering conditions, the handover condition information also includes the handover triggering conditions and measurement values ​​that the terminal meets in other candidate cells, the handover triggering conditions that are not met, and the measurement values ​​under the unmet handover triggering conditions.

[0046] The condition switching information includes one or more of the following:

[0047] Source cell identifier, candidate cell identifier, identifier of the satellite currently providing services to the terminal.

[0048] The reporting of condition switching information to the network device includes:

[0049] The condition switching information is reported to the network device via a first message, wherein the first message includes one or more of the following:

[0050] Wireless link failure report, terminal information response, terminal condition handover report message.

[0051] The method further includes, prior to reporting the condition switching information to the network device:

[0052] During the condition handover preparation phase, the system receives mobility control messages sent by the network device.

[0053] The reporting of condition switching information to the network device includes:

[0054] After the handover is completed, a conditional handover reporting message is sent to the network device according to the mobility control message. The conditional handover reporting message includes the conditional handover information.

[0055] Secondly, embodiments of this application provide an information processing method applied to a network device, comprising:

[0056] Receive condition switching information reported by the terminal;

[0057] Process according to the condition switching information.

[0058] The condition switching information includes:

[0059] The handover triggering conditions configured for the terminal by the network device and / or the handover triggering conditions that the terminal has already met in the target cell.

[0060] The switching triggering conditions include one or more of the following conditions:

[0061] The distance between the terminal and the satellite;

[0062] The distance between the terminal and the center of the satellite-covered cell;

[0063] The distance between the terminal and the edge of the satellite coverage cell;

[0064] The change in distance between the terminal's reference position and the estimated position of the target satellite;

[0065] The time when the terminal triggers the switching of conditions;

[0066] The time from when the terminal receives the condition switching configuration to when the condition switching is triggered;

[0067] Timing advance value from the terminal to the target base station;

[0068] The elevation angle between the terminal at a first position in the source cell and the satellite, and the elevation angle between the terminal at a second position in the target cell and the satellite, wherein the first position and the second position are the same;

[0069] The measured values ​​of RSRP and / or RSRQ of the terminal in the source cell; the measured values ​​of RSRP and / or RSRQ of the terminal in the target cell.

[0070] The feature is that the condition switching information includes one or more of the following conditions:

[0071] When the terminal successfully switches to the target cell, all handover triggering conditions and measurement values ​​of the successful handover are recorded.

[0072] When the terminal handover fails, all candidate cells do not meet the handover triggering conditions and the measurement values ​​under the unmet handover triggering conditions;

[0073] Measurement values ​​obtained when the terminal switching fails or the wireless link fails;

[0074] The measurement value obtained by the terminal under the currently met switching trigger conditions.

[0075] The condition switching information includes:

[0076] When a terminal is configured with multiple trigger conditions, at least one of the following information is required:

[0077] The order in which multiple triggering conditions are met, the time interval between the fulfillment of multiple triggering conditions, and the measured values ​​of other triggering conditions when the first triggering condition is met.

[0078] The measured value includes one or more of the following:

[0079] The current distance between the terminal and the satellite;

[0080] The current distance between the terminal and the center of the satellite coverage cell;

[0081] The current distance between the terminal and the edge of the satellite coverage cell;

[0082] The terminal receives the current time of the conditional switching configuration;

[0083] The current time of the terminal trigger condition switching;

[0084] The timing advance value of the terminal to the target base station;

[0085] The elevation angle between the terminal's current location and the satellite;

[0086] The measured values ​​of the reference signal received power (RSRP) and / or the reference signal received quality (RSRQ) of the terminal in the source cell;

[0087] The terminal's RSRP and / or RSRQ measurements in the target cell.

[0088] When the target cell meets all the handover triggering conditions, the handover condition information also includes the handover triggering conditions and measurement values ​​that the terminal meets in other candidate cells, the handover triggering conditions that are not met, and the measurement values ​​under the unmet handover triggering conditions.

[0089] The condition switching information includes one or more of the following:

[0090] Source cell identifier, candidate cell identifier, identifier of the satellite currently providing services to the terminal.

[0091] The condition switching information reported by the receiving terminal includes:

[0092] The terminal reports the condition switching information via a first message, wherein the first message includes one or more of the following:

[0093] Wireless link failure report, terminal information response, terminal condition handover report message.

[0094] The method further includes:

[0095] During the condition switching preparation phase, a mobility control message is sent to the terminal;

[0096] The condition switching information reported by the receiving terminal includes:

[0097] The terminal receives a conditional handover reporting message after the handover is completed, and the conditional handover reporting message includes the conditional handover information.

[0098] Thirdly, embodiments of this application also provide an information processing apparatus applied to a terminal, comprising:

[0099] The reporting module is used to report condition switching information to network devices.

[0100] The condition switching information includes:

[0101] The handover triggering conditions configured for the terminal by the network device and / or the handover triggering conditions that the terminal has already met in the target cell.

[0102] The switching triggering conditions include one or more of the following conditions:

[0103] The distance between the terminal and the satellite;

[0104] The distance between the terminal and the center of the satellite-covered cell;

[0105] The distance between the terminal and the edge of the satellite coverage cell;

[0106] The change in distance between the terminal's reference position and the estimated position of the target satellite;

[0107] The time when the terminal triggers the switching of conditions;

[0108] The time from when the terminal receives the condition switching configuration to when the condition switching is triggered;

[0109] Timing advance value from the terminal to the target base station;

[0110] The elevation angle between the terminal at a first position in the source cell and the satellite, and the elevation angle between the terminal at a second position in the target cell and the satellite, wherein the first position and the second position are the same;

[0111] The measured values ​​of RSRP and / or RSRQ of the terminal in the source cell; the measured values ​​of RSRP and / or RSRQ of the terminal in the target cell.

[0112] The condition switching information includes one or more of the following conditions:

[0113] When the terminal successfully switches to the target cell, all handover triggering conditions and measurement values ​​of the successful handover are recorded.

[0114] When the terminal handover fails, all candidate cells do not meet the handover triggering conditions and the measurement values ​​under the unmet handover triggering conditions;

[0115] Measurement values ​​obtained when the terminal switching fails or the wireless link fails;

[0116] The measurement value obtained by the terminal under the currently met switching trigger conditions.

[0117] The condition switching information includes:

[0118] When a terminal is configured with multiple trigger conditions, at least one of the following information is required:

[0119] The order in which multiple triggering conditions are met, the time interval between the fulfillment of multiple triggering conditions, and the measured values ​​of other triggering conditions when the first triggering condition is met.

[0120] The measured value includes one or more of the following:

[0121] The current distance between the terminal and the satellite;

[0122] The current distance between the terminal and the center of the satellite coverage cell;

[0123] The current distance between the terminal and the edge of the satellite coverage cell;

[0124] The terminal receives the current time of the conditional switching configuration;

[0125] The current time of the terminal trigger condition switching;

[0126] The timing advance value of the terminal to the target base station;

[0127] The elevation angle between the terminal's current location and the satellite;

[0128] The measured values ​​of the reference signal received power (RSRP) and / or the reference signal received quality (RSRQ) of the terminal in the source cell;

[0129] The terminal's RSRP and / or RSRQ measurements in the target cell.

[0130] When the target cell meets all the handover triggering conditions, the handover condition information also includes the handover triggering conditions and measurement values ​​that the terminal meets in other candidate cells, the handover triggering conditions that are not met, and the measurement values ​​under the unmet handover triggering conditions.

[0131] The condition switching information includes one or more of the following:

[0132] Source cell identifier, candidate cell identifier, identifier of the satellite currently providing services to the terminal.

[0133] The reporting module is used for:

[0134] The condition switching information is reported to the network device via a first message, wherein the first message includes one or more of the following:

[0135] Wireless link failure report, terminal information response, terminal condition handover report message.

[0136] The device further includes:

[0137] The receiving module is used to receive mobility control messages sent by the network device during the condition handover preparation phase.

[0138] The reporting module is used to: after the handover is completed, send a conditional handover reporting message to the network device according to the mobility control message, wherein the conditional handover reporting message includes the conditional handover information.

[0139] Fourthly, embodiments of this application also provide an information processing apparatus, applied to a network device, comprising:

[0140] The first receiving module is used to receive condition switching information reported by the terminal;

[0141] The first processing module is used to process the condition switching information.

[0142] The condition switching information includes:

[0143] The handover triggering conditions configured for the terminal by the network device and / or the handover triggering conditions that the terminal has already met in the target cell.

[0144] The switching triggering conditions include one or more of the following conditions:

[0145] The distance between the terminal and the satellite;

[0146] The distance between the terminal and the center of the satellite-covered cell;

[0147] The distance between the terminal and the edge of the satellite coverage cell;

[0148] The change in distance between the terminal's reference position and the estimated position of the target satellite;

[0149] The time when the terminal triggers the switching of conditions;

[0150] The time from when the terminal receives the condition switching configuration to when the condition switching is triggered;

[0151] Timing advance value from the terminal to the target base station;

[0152] The elevation angle between the terminal at a first position in the source cell and the satellite, and the elevation angle between the terminal at a second position in the target cell and the satellite, wherein the first position and the second position are the same;

[0153] The measured values ​​of RSRP and / or RSRQ of the terminal in the source cell; the measured values ​​of RSRP and / or RSRQ of the terminal in the target cell.

[0154] The condition switching information includes one or more of the following conditions:

[0155] When the terminal successfully switches to the target cell, all handover triggering conditions and measurement values ​​of the successful handover are recorded.

[0156] When the terminal handover fails, all candidate cells do not meet the handover triggering conditions and the measurement values ​​under the unmet handover triggering conditions;

[0157] Measurement values ​​obtained when the terminal switching fails or the wireless link fails;

[0158] The measurement value obtained by the terminal under the currently met switching trigger conditions.

[0159] The condition switching information includes:

[0160] When a terminal is configured with multiple trigger conditions, at least one of the following information is required:

[0161] The order in which multiple triggering conditions are met, the time interval between the fulfillment of multiple triggering conditions, and the measured values ​​of other triggering conditions when the first triggering condition is met.

[0162] The measured value includes one or more of the following:

[0163] The current distance between the terminal and the satellite;

[0164] The current distance between the terminal and the center of the satellite coverage cell;

[0165] The current distance between the terminal and the edge of the satellite coverage cell;

[0166] The terminal receives the current time of the conditional switching configuration;

[0167] The current time of the terminal trigger condition switching;

[0168] The timing advance value of the terminal to the target base station;

[0169] The elevation angle between the terminal's current location and the satellite;

[0170] The measured values ​​of the reference signal received power (RSRP) and / or the reference signal received quality (RSRQ) of the terminal in the source cell;

[0171] The terminal's RSRP and / or RSRQ measurements in the target cell.

[0172] When the target cell meets all the handover triggering conditions, the handover condition information also includes the handover triggering conditions and measurement values ​​that the terminal meets in other candidate cells, the handover triggering conditions that are not met, and the measurement values ​​under the unmet handover triggering conditions.

[0173] The condition switching information includes one or more of the following:

[0174] Source cell identifier, candidate cell identifier, identifier of the satellite currently providing services to the terminal.

[0175] The first receiving module is configured to:

[0176] The terminal reports the condition switching information via a first message, wherein the first message includes one or more of the following:

[0177] Wireless link failure report, terminal information response, terminal condition handover report message.

[0178] The device further includes:

[0179] The first sending module is used to send a mobility control message to the terminal during the condition switching preparation phase.

[0180] The first receiving module is configured to: receive a conditional handover reporting message sent by the terminal after the handover is completed, wherein the conditional handover reporting message includes the conditional handover information.

[0181] Fifthly, embodiments of this application also provide an information processing apparatus for use in a terminal, comprising: a processor and a transceiver;

[0182] The transceiver is used to report condition switching information to network devices.

[0183] The condition switching information includes:

[0184] The handover triggering conditions configured for the terminal by the network device and / or the handover triggering conditions that the terminal has already met in the target cell.

[0185] The switching triggering conditions include one or more of the following conditions:

[0186] The distance between the terminal and the satellite;

[0187] The distance between the terminal and the center of the satellite-covered cell;

[0188] The distance between the terminal and the edge of the satellite coverage cell;

[0189] The change in distance between the terminal's reference position and the estimated position of the target satellite;

[0190] The time when the terminal triggers the switching of conditions;

[0191] The time from when the terminal receives the condition switching configuration to when the condition switching is triggered;

[0192] Timing advance value from the terminal to the target base station;

[0193] The elevation angle between the terminal at a first position in the source cell and the satellite, and the elevation angle between the terminal at a second position in the target cell and the satellite, wherein the first position and the second position are the same;

[0194] The measured values ​​of RSRP and / or RSRQ of the terminal in the source cell; the measured values ​​of RSRP and / or RSRQ of the terminal in the target cell.

[0195] The condition switching information includes one or more of the following conditions:

[0196] When the terminal successfully switches to the target cell, all handover triggering conditions and measurement values ​​of the successful handover are recorded.

[0197] When the terminal handover fails, all candidate cells do not meet the handover triggering conditions and the measurement values ​​under the unmet handover triggering conditions;

[0198] Measurement values ​​obtained when the terminal switching fails or the wireless link fails;

[0199] The measurement value obtained by the terminal under the currently met switching trigger conditions.

[0200] The condition switching information includes:

[0201] When a terminal is configured with multiple trigger conditions, at least one of the following information is required:

[0202] The order in which multiple triggering conditions are met, the time interval between the fulfillment of multiple triggering conditions, and the measured values ​​of other triggering conditions when the first triggering condition is met.

[0203] The measured value includes one or more of the following:

[0204] The current distance between the terminal and the satellite;

[0205] The current distance between the terminal and the center of the satellite coverage cell;

[0206] The current distance between the terminal and the edge of the satellite coverage cell;

[0207] The terminal receives the current time of the conditional switching configuration;

[0208] The current time of the terminal trigger condition switching;

[0209] The timing advance value of the terminal to the target base station;

[0210] The elevation angle between the terminal's current location and the satellite;

[0211] The measured values ​​of the reference signal received power (RSRP) and / or the reference signal received quality (RSRQ) of the terminal in the source cell;

[0212] The terminal's RSRP and / or RSRQ measurements in the target cell.

[0213] When the target cell meets all the handover triggering conditions, the handover condition information also includes the handover triggering conditions and measurement values ​​that the terminal meets in other candidate cells, the handover triggering conditions that are not met, and the measurement values ​​under the unmet handover triggering conditions.

[0214] The condition switching information includes one or more of the following:

[0215] Source cell identifier, candidate cell identifier, identifier of the satellite currently providing services to the terminal.

[0216] The transceiver is used for:

[0217] The condition switching information is reported to the network device via a first message, wherein the first message includes one or more of the following:

[0218] Wireless link failure report, terminal information response, terminal condition handover report message.

[0219] The transceiver is configured to: receive a mobility control message sent by the network device during the condition handover preparation phase; and, after the handover is completed, send a condition handover reporting message to the network device according to the mobility control message, wherein the condition handover reporting message includes the condition handover information.

[0220] Sixthly, embodiments of this application also provide an information processing apparatus applied to a network device, including: a processor and a transceiver;

[0221] The transceiver is used to receive condition switching information reported by the terminal;

[0222] The processor is used to process the condition switching information.

[0223] The condition switching information includes:

[0224] The handover triggering conditions configured for the terminal by the network device and / or the handover triggering conditions that the terminal has already met in the target cell.

[0225] The switching triggering conditions include one or more of the following conditions:

[0226] The distance between the terminal and the satellite;

[0227] The distance between the terminal and the center of the satellite-covered cell;

[0228] The distance between the terminal and the edge of the satellite coverage cell;

[0229] The change in distance between the terminal's reference position and the estimated position of the target satellite;

[0230] The time when the terminal triggers the switching of conditions;

[0231] The time from when the terminal receives the condition switching configuration to when the condition switching is triggered;

[0232] Timing advance value from the terminal to the target base station;

[0233] The elevation angle between the terminal at a first position in the source cell and the satellite, and the elevation angle between the terminal at a second position in the target cell and the satellite, wherein the first position and the second position are the same;

[0234] The measured values ​​of RSRP and / or RSRQ of the terminal in the source cell; the measured values ​​of RSRP and / or RSRQ of the terminal in the target cell.

[0235] The condition switching information includes one or more of the following conditions:

[0236] When the terminal successfully switches to the target cell, all handover triggering conditions and measurement values ​​of the successful handover are recorded.

[0237] When the terminal handover fails, all candidate cells do not meet the handover triggering conditions and the measurement values ​​under the unmet handover triggering conditions;

[0238] Measurement values ​​obtained when the terminal switching fails or the wireless link fails;

[0239] The measurement value obtained by the terminal under the currently met switching trigger conditions.

[0240] The condition switching information includes:

[0241] When a terminal is configured with multiple trigger conditions, at least one of the following information is required:

[0242] The order in which multiple triggering conditions are met, the time interval between the fulfillment of multiple triggering conditions, and the measured values ​​of other triggering conditions when the first triggering condition is met.

[0243] The measured value includes one or more of the following:

[0244] The current distance between the terminal and the satellite;

[0245] The current distance between the terminal and the center of the satellite coverage cell;

[0246] The current distance between the terminal and the edge of the satellite coverage cell;

[0247] The terminal receives the current time of the conditional switching configuration;

[0248] The current time of the terminal trigger condition switching;

[0249] The timing advance value of the terminal to the target base station;

[0250] The elevation angle between the terminal's current location and the satellite;

[0251] The measured values ​​of the reference signal received power (RSRP) and / or the reference signal received quality (RSRQ) of the terminal in the source cell;

[0252] The terminal's RSRP and / or RSRQ measurements in the target cell.

[0253] When the target cell meets all the handover triggering conditions, the handover condition information also includes the handover triggering conditions and measurement values ​​that the terminal meets in other candidate cells, the handover triggering conditions that are not met, and the measurement values ​​under the unmet handover triggering conditions.

[0254] The condition switching information includes one or more of the following:

[0255] Source cell identifier, candidate cell identifier, identifier of the satellite currently providing services to the terminal.

[0256] The transceiver is used for:

[0257] The terminal reports the condition switching information via a first message, wherein the first message includes one or more of the following:

[0258] Wireless link failure report, terminal information response, terminal condition handover report message.

[0259] The transceiver is configured to: send a mobility control message to the terminal during the condition handover preparation phase; and receive a condition handover reporting message sent by the terminal after the handover is completed, wherein the condition handover reporting message includes the condition handover information.

[0260] In a seventh aspect, embodiments of this application also provide a communication device, including: a transceiver, a memory, a processor, and a program stored in the memory and executable on the processor; the processor is configured to read the program in the memory to implement the steps in the information processing method described above.

[0261] Eighthly, embodiments of this application also provide a readable storage medium for storing a program, characterized in that the program, when executed by a processor, implements the steps in the information processing method described above.

[0262] In this embodiment, the terminal reports conditional handover information to the network device, enabling the network device to analyze the reasons why the terminal accesses the target cell through conditional handover or fails to handover, thereby providing optimization for subsequent access and improving the success rate of conditional handover. Attached Figure Description

[0263] Figure 1 This is one of the flowcharts of the information processing method provided in the embodiments of this application;

[0264] Figure 2 This is the second flowchart of the information processing method provided in the embodiments of this application;

[0265] Figure 3 This is one of the structural diagrams of the information processing apparatus provided in the embodiments of this application;

[0266] Figure 4 This is a second structural diagram of the information processing device provided in the embodiments of this application;

[0267] Figure 5 This is the third structural diagram of the information processing device provided in the embodiments of this application;

[0268] Figure 6 This is the fourth structural diagram of the information processing device provided in the embodiments of this application. Detailed Implementation

[0269] In the embodiments of this application, the term "and / or" describes the relationship between associated objects, indicating that three relationships can exist. For example, A and / or B can represent three cases: A alone, A and B simultaneously, and B alone. The character " / " generally indicates that the preceding and following associated objects have an "or" relationship.

[0270] In the embodiments of this application, the term "multiple" refers to two or more, and other quantifiers are similar.

[0271] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0272] See Figure 1 , Figure 1 This is a flowchart of an information processing method provided in an embodiment of this application, applied to a terminal. For example... Figure 1 As shown, it includes the following steps:

[0273] Step 101: Report condition switching information to the network device.

[0274] The handover information includes: handover triggering conditions configured by the network device for the terminal and / or handover triggering conditions that the terminal has already met in the target cell.

[0275] To further enable network devices to accurately understand the reasons for successful or unsuccessful handover to the target cell, in this embodiment, the handover triggering condition includes one or more of the following conditions:

[0276] (1) The distance between the terminal and the satellite can be calculated, for example, from the position of the terminal and the position of the satellite, or directly measured;

[0277] (2) The distance between the terminal and the center of the satellite coverage cell;

[0278] (3) The distance between the terminal and the edge of the satellite coverage cell;

[0279] (4) The change in distance between the terminal's reference position and the estimated position of the target satellite;

[0280] (5) The time for switching terminal trigger conditions;

[0281] (6) The time from when the terminal receives the condition switching configuration to when the condition switching is triggered;

[0282] (7) Timing advance value from the terminal to the target base station;

[0283] (8) The elevation angle between the terminal at the first position in the source cell and the satellite, and the elevation angle between the terminal at the second position in the target cell and the satellite, wherein the first position and the second position are the same;

[0284] (9) The measured values ​​of RSRP and / or RSRQ of the terminal in the source cell; the measured values ​​of RSRP and / or RSRQ of the terminal in the target cell.

[0285] The switching trigger conditions mentioned above can be summarized as triggering based on the following categories:

[0286] 1. Location-based triggering:

[0287] That is, triggering conditions based on the terminal's location and the satellite's location are considered, as described in (1) to (4) above. For example, the location triggering condition can be expressed as the distance between the terminal and the satellite, or as the distance between the terminal and the center of the satellite coverage cell, or as the distance between the terminal and the edge of the satellite coverage cell. It can also be considered in combination with other triggers, such as in combination with time-based triggering, where the distance change between the terminal's reference location and the estimated target satellite location is measured at regular intervals.

[0288] 2. Time-based triggering: As mentioned in (5) and (6) above. Service time within a certain area can be considered as a triggering condition, such as the terminal triggering condition switching time and the time from when the terminal receives the condition switching configuration to when it triggers the condition switching. The terminal triggering condition switching time can be based on UTC (Universal Time Coordinated) time and can be used alone or combined with other triggering conditions. The UTC time can be the time when the terminal triggers the condition switching at a certain moment. The time from when the terminal receives the condition switching configuration to when it triggers the condition switching is the time from when the terminal receives the configuration parameters from the target base station to when it triggers the condition switching.

[0289] 3. Triggering based on timing advance value: In NTN, triggering conditions based on the timing advance value from the terminal to the target cell can be considered (NTN can obtain the timing advance value based on ephemeris information), as mentioned in (7) above.

[0290] 4. Triggering based on elevation angle: In NTN, triggering based on elevation angle can be considered. The triggering condition can be to compare the elevation angle of the terminal with that of different satellites, as mentioned in (8) above. The elevation angle of a satellite is the angle between the satellite and the horizon where the terminal is located. It is usually used to describe the position of the satellite above the terminal at a certain moment. An elevation angle of 90° means that the satellite is directly above the terminal.

[0291] 5. Triggering based on the measurement results of the source cell and the target cell, as described above (9).

[0292] In this embodiment of the application, the condition switching information includes one or more of the following conditions:

[0293] When the terminal successfully switches to the target cell, all handover triggering conditions and measurement values ​​of the successful handover are recorded.

[0294] When the terminal handover fails, all candidate cells do not meet the handover triggering conditions and the measurement values ​​under the unmet handover triggering conditions;

[0295] Measurement values ​​obtained when the terminal switching fails or the wireless link fails;

[0296] The measurement value obtained by the terminal under the currently met switching trigger conditions.

[0297] Optionally, in this embodiment, the condition switching information includes at least one of the following: when the terminal is configured with multiple trigger conditions:

[0298] The handover information includes the order in which multiple triggering conditions are met, the time interval between the fulfillment of the multiple triggering conditions, and the measured values ​​of the other triggering conditions when the first triggering condition is met. Here, the first triggering condition can be any of the fulfilled triggering conditions. In this case, when the target cell meets all handover triggering conditions, the handover information also includes the handover triggering conditions and their measured values ​​that the terminal meets in other candidate cells, the handover triggering conditions that are not met, and the measured values ​​under the unmet handover triggering conditions.

[0299] The measured values ​​reported by the terminal may include distance, elevation angle, time, timing advance, and RSRP (Reference Signal Received Power) and RSRQ (Reference Signal Received Quality) measurements. Specifically, in this embodiment, the measured values ​​include one or more of the following:

[0300] The current distance between the terminal and the satellite;

[0301] The current distance between the terminal and the center of the satellite coverage cell;

[0302] The current distance between the terminal and the edge of the satellite coverage cell;

[0303] The terminal receives the current time of the conditional switching configuration;

[0304] The current time of the terminal trigger condition switching;

[0305] The timing advance value of the terminal to the target base station;

[0306] The elevation angle between the terminal's current location and the satellite;

[0307] The measured values ​​of the reference signal received power (RSRP) and / or the reference signal received quality (RSRQ) of the terminal in the source cell;

[0308] The terminal's RSRP and / or RSRQ measurements in the target cell.

[0309] For example, when a cell meets only one handover condition, the terminal can record the met handover trigger condition and its measurement value, as well as other unmet handover trigger conditions and their measurement values. This situation may occur when the terminal experiences a handover failure in the source cell. If the terminal does not report the unmet handover trigger conditions and their corresponding measurement values, the network device will determine that all trigger thresholds are configured incorrectly and may adjust all trigger thresholds simultaneously, incurring additional network overhead. However, by reporting the unmet handover trigger conditions and their corresponding measurement values ​​in the manner described above, the network device can be assisted in identifying and addressing incorrectly configured handover trigger conditions, thereby further improving the success rate of conditional handover.

[0310] Since conditional handover requires configuring multiple candidate cells, but only one cell will ultimately become the target cell for the serving terminal, the scenarios for reporting triggering conditions are further divided based on the actual situation of the candidate cells:

[0311] The first approach is for the terminal to report only all handover trigger conditions and corresponding measurements that have been met in the target cell. Network devices can then use these reported handover trigger conditions and measurements to determine the basis for a successful handover, providing a reference for configuring handover thresholds for other terminals in the subsequent network configuration.

[0312] The second approach is that when the terminal successfully switches to the target cell, the terminal can report all the handover triggering conditions and measurement values ​​for the successful handover; when the terminal fails to switch, the terminal can report all the candidate cells that do not meet the handover triggering conditions and the measurement values ​​under the unmet handover triggering conditions.

[0313] When the target cell meets all the handover triggering conditions, the terminal can report the time interval between the times when each handover triggering condition is met. When the target cell meets all the handover triggering conditions, the terminal can report the handover triggering conditions and measurement values ​​that were met in other candidate cells, the handover triggering conditions that were not met, and the measurement values ​​under the unmet handover triggering conditions.

[0314] For example, a terminal can report all the conditions for handover triggering currently met in the target cell, along with the corresponding measurement values, and simultaneously report the measurement status of other candidate cells under event-triggered or periodic-triggered conditions configured for the network device. In this case, the network device can identify problems with the trigger condition configuration in other candidate cells, thus facilitating the adjustment of unreasonable configuration thresholds. In another scenario, multiple candidate cells may simultaneously meet the handover conditions; the terminal can randomly select one of these cells as the serving cell. If the terminal fails to access the currently selected serving cell, it can refer to the measurement status of other candidate cells and select another candidate cell for access.

[0315] In an NTN CHO, the execution condition can include multiple handover trigger conditions. Generally, a terminal can only initiate conditional handover when all handover trigger conditions are met. However, in reality, these handover trigger conditions may be met asynchronously; for example, a location-based trigger event may be met first, followed by a time-based trigger event. Therefore, the terminal can record the time intervals at which different handover trigger conditions are met. By finding suitable time intervals, the network device can determine whether the trigger threshold is reasonable, thereby shortening the overall conditional handover time.

[0316] Optionally, based on the above embodiments, the conditional handover information may further include one or both of the following: source cell identifier (e.g., ID), candidate cell identifier (e.g., ID), and the identifier of the satellite currently providing service to the terminal. By reporting the candidate cell identifier, the network device can determine which candidate cells the handover triggering conditions and measurement values ​​reported by the terminal were measured in. Furthermore, the network device can evaluate the conditional handover configuration of a specific cell based on the reported cell ID during subsequent optimization, thereby improving the handover success rate. Simultaneously, if the terminal experiences a conditional handover failure, it can also report the currently serving satellite ID, informing the network device of the specific satellite service under which the handover failure occurred, and detecting whether the handover failure was caused by a satellite, thereby improving the handover success rate.

[0317] In this step, the terminal can report the condition switching information to the network device through a first message, which includes one or more of the following: wireless link failure report, terminal information response, and condition switching reporting message.

[0318] Specifically, when a handover occurs due to terminal movement or satellite movement, the terminal measures and records the conditional handover information according to the network device configuration, saves the conditional handover information, and reports it to the network device through messages such as RLF report (Radio Link Failure Report) and UE information response (Terminal Information Response).

[0319] Alternatively, during the handover preparation phase, the terminal receives a Mobility Control information message sent by the network device. Optionally, the Mobility Control information message may include information such as the handover condition measurement reporting configuration and the measurement collection time. The handover condition measurement reporting configuration may include information such as the handover triggering conditions to be reported; the measurement collection time indicates the time during which the terminal collects the information indicated by the handover condition measurement reporting configuration. When the terminal meets the configured handover conditions, the terminal connects to the new target cell according to the handover procedure. After the handover is completed, the terminal sends a UEConditional Handover Report message to the network device according to the Mobility Control information message. The UEConditional Handover Report message includes the handover condition information.

[0320] In this embodiment, the terminal reports conditional handover information to the network device, enabling the network device to analyze the reasons why the terminal accesses the target cell through conditional handover or fails to handover, thereby providing optimization for subsequent access and improving the success rate of conditional handover.

[0321] See Figure 2 , Figure 2 This is a flowchart of an information processing method provided in an embodiment of this application, applied to a network device. The network device may be, for example, a base station. Figure 2 As shown, it includes the following steps:

[0322] Step 201: Receive condition switching information reported by the terminal.

[0323] The meaning of the condition switching information can be found in the description of the foregoing embodiments.

[0324] Specifically, in this step, the network device can receive the condition switching information reported by the terminal through a first message, the first message including one or more of the following: wireless link failure report, terminal information response, condition switching reporting message.

[0325] Optionally, in this embodiment, during the conditional handover preparation phase, the network device sends a mobility control message to the terminal. In this case, step 201 specifically involves the network device receiving a conditional handover reporting message sent by the terminal after the handover is completed, the conditional handover reporting message including the conditional handover information.

[0326] Step 202: Process according to the condition switching information.

[0327] Optionally, in this step, the network device can obtain the conditions for successful or failed handover of the terminal. If a handover failure occurs, the network device can detect the failure, analyze the cause of the failure, and automatically adjust these configuration parameters so that the network device can subsequently configure handover trigger conditions with a higher success rate for the terminal through RRC (Radio Resource Control) reconfiguration messages, thereby reducing handover latency and interruption probability and improving the success rate of conditional handover.

[0328] In this embodiment, the terminal reports conditional handover information to the network device. This conditional handover information includes the handover triggering conditions of the terminal in the target cell and the measurement values ​​obtained under those conditions. Therefore, the network device can analyze the reasons why the terminal accessed the target cell via conditional handover or failed to handover successfully based on the conditional handover information, thereby optimizing subsequent access and improving the success rate of conditional handover.

[0329] This application also provides an information processing device applied to a terminal. See also Figure 3 , Figure 3 This is a structural diagram of the information processing apparatus provided in the embodiments of this application. Figure 3 As shown, the information processing device 300 includes: a reporting module 301, used to report condition switching information to network devices.

[0330] The condition switching information includes:

[0331] The handover triggering conditions configured for the terminal by the network device and / or the handover triggering conditions that the terminal has already met in the target cell.

[0332] The switching triggering conditions include one or more of the following conditions:

[0333] The distance between the terminal and the satellite;

[0334] The distance between the terminal and the center of the satellite-covered cell;

[0335] The distance between the terminal and the edge of the satellite coverage cell;

[0336] The change in distance between the terminal's reference position and the estimated position of the target satellite;

[0337] The time when the terminal triggers the switching of conditions;

[0338] The time from when the terminal receives the condition switching configuration to when the condition switching is triggered;

[0339] Timing advance value from the terminal to the target base station;

[0340] The elevation angle between the terminal at a first position in the source cell and the satellite, and the elevation angle between the terminal at a second position in the target cell and the satellite, wherein the first position and the second position are the same;

[0341] The measured values ​​of RSRP and / or RSRQ of the terminal in the source cell; the measured values ​​of RSRP and / or RSRQ of the terminal in the target cell.

[0342] The condition switching information includes one or more of the following conditions:

[0343] When the terminal successfully switches to the target cell, all handover triggering conditions and measurement values ​​of the successful handover are recorded.

[0344] When the terminal handover fails, all candidate cells do not meet the handover triggering conditions and the measurement values ​​under the unmet handover triggering conditions;

[0345] Measurement values ​​obtained when the terminal switching fails or the wireless link fails;

[0346] The measurement value obtained by the terminal under the currently met switching trigger conditions.

[0347] The condition switching information includes:

[0348] When a terminal is configured with multiple trigger conditions, at least one of the following information is required:

[0349] The order in which multiple triggering conditions are met, the time interval between the fulfillment of multiple triggering conditions, and the measured values ​​of other triggering conditions when the first triggering condition is met.

[0350] The measured value includes one or more of the following:

[0351] The current distance between the terminal and the satellite;

[0352] The current distance between the terminal and the center of the satellite coverage cell;

[0353] The current distance between the terminal and the edge of the satellite coverage cell;

[0354] The terminal receives the current time of the conditional switching configuration;

[0355] The current time of the terminal trigger condition switching;

[0356] The timing advance value of the terminal to the target base station;

[0357] The elevation angle between the terminal's current location and the satellite;

[0358] The measured values ​​of the reference signal received power (RSRP) and / or the reference signal received quality (RSRQ) of the terminal in the source cell;

[0359] The terminal's RSRP and / or RSRQ measurements in the target cell.

[0360] When the target cell meets all the handover triggering conditions, the handover condition information also includes the handover triggering conditions and measurement values ​​that the terminal meets in other candidate cells, the handover triggering conditions that are not met, and the measurement values ​​under the unmet handover triggering conditions.

[0361] The condition switching information includes one or more of the following:

[0362] Source cell identifier, candidate cell identifier, identifier of the satellite currently providing services to the terminal.

[0363] The reporting module is used for:

[0364] The condition switching information is reported to the network device via a first message, wherein the first message includes one or more of the following:

[0365] Wireless link failure report, terminal information response, terminal condition handover report message.

[0366] The device further includes:

[0367] The receiving module is used to receive mobility control messages sent by the network device during the condition handover preparation phase.

[0368] The reporting module is used to: after the handover is completed, send a conditional handover reporting message to the network device according to the mobility control message, wherein the conditional handover reporting message includes the conditional handover information.

[0369] The apparatus provided in this application embodiment can execute the above method embodiment, and its implementation principle and technical effect are similar, so it will not be described again here.

[0370] This application also provides an information processing apparatus applied to network devices. See also... Figure 4 , Figure 4 This is a structural diagram of the information processing apparatus provided in the embodiments of this application. Figure 4 As shown, the information processing device 400 includes:

[0371] The first receiving module 401 is used to receive condition switching information reported by the terminal; the first processing module 402 is used to process the condition switching information.

[0372] The condition switching information includes:

[0373] The handover triggering conditions configured for the terminal by the network device and / or the handover triggering conditions that the terminal has already met in the target cell.

[0374] The switching triggering conditions include one or more of the following conditions:

[0375] The distance between the terminal and the satellite;

[0376] The distance between the terminal and the center of the satellite-covered cell;

[0377] The distance between the terminal and the edge of the satellite coverage cell;

[0378] The change in distance between the terminal's reference position and the estimated position of the target satellite;

[0379] The time when the terminal triggers the switching of conditions;

[0380] The time from when the terminal receives the condition switching configuration to when the condition switching is triggered;

[0381] Timing advance value from the terminal to the target base station;

[0382] The elevation angle between the terminal at a first position in the source cell and the satellite, and the elevation angle between the terminal at a second position in the target cell and the satellite, wherein the first position and the second position are the same;

[0383] The measured values ​​of RSRP and / or RSRQ of the terminal in the source cell; the measured values ​​of RSRP and / or RSRQ of the terminal in the target cell.

[0384] The condition switching information includes one or more of the following conditions:

[0385] When the terminal successfully switches to the target cell, all handover triggering conditions and measurement values ​​of the successful handover are recorded.

[0386] When the terminal handover fails, all candidate cells do not meet the handover triggering conditions and the measurement values ​​under the unmet handover triggering conditions;

[0387] Measurement values ​​obtained when the terminal switching fails or the wireless link fails;

[0388] The measurement value obtained by the terminal under the currently met switching trigger conditions.

[0389] The condition switching information includes:

[0390] When a terminal is configured with multiple trigger conditions, at least one of the following information is required:

[0391] The order in which multiple triggering conditions are met, the time interval between the fulfillment of multiple triggering conditions, and the measured values ​​of other triggering conditions when the first triggering condition is met.

[0392] The measured value includes one or more of the following:

[0393] The current distance between the terminal and the satellite;

[0394] The current distance between the terminal and the center of the satellite coverage cell;

[0395] The current distance between the terminal and the edge of the satellite coverage cell;

[0396] The terminal receives the current time of the conditional switching configuration;

[0397] The current time of the terminal trigger condition switching;

[0398] The timing advance value of the terminal to the target base station;

[0399] The elevation angle between the terminal's current location and the satellite;

[0400] The measured values ​​of the reference signal received power (RSRP) and / or the reference signal received quality (RSRQ) of the terminal in the source cell;

[0401] The terminal's RSRP and / or RSRQ measurements in the target cell.

[0402] When the target cell meets all the handover triggering conditions, the handover condition information also includes the handover triggering conditions and measurement values ​​that the terminal meets in other candidate cells, the handover triggering conditions that are not met, and the measurement values ​​under the unmet handover triggering conditions.

[0403] The condition switching information includes one or more of the following:

[0404] Source cell identifier, candidate cell identifier, identifier of the satellite currently providing services to the terminal.

[0405] The first receiving module is configured to:

[0406] The terminal reports the condition switching information via a first message, wherein the first message includes one or more of the following:

[0407] Wireless link failure report, terminal information response, terminal condition handover report message.

[0408] The device further includes:

[0409] The first sending module is used to send a mobility control message to the terminal during the condition switching preparation phase.

[0410] The first receiving module is configured to: receive a conditional handover reporting message sent by the terminal after the handover is completed, wherein the conditional handover reporting message includes the conditional handover information.

[0411] The apparatus provided in this application embodiment can execute the above method embodiment, and its implementation principle and technical effect are similar, so it will not be described again here.

[0412] It should be noted that the division of units in the embodiments of this application is illustrative and only represents one logical functional division. In actual implementation, other division methods may be used. Furthermore, the functional units in the various embodiments of this application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated units described above can be implemented in hardware or as software functional units.

[0413] If the integrated unit is implemented as a software functional unit and sold or used as an independent product, it can be stored in a processor-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) or processor to execute all or part of the steps of the methods described in the various embodiments of this application. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0414] This application also provides an information processing device applied to a terminal. See also Figure 5 , Figure 5 This is a structural diagram of the information processing apparatus provided in the embodiments of this application. Figure 5 As shown, the information processing device includes: a processor 501 and a transceiver 502;

[0415] The transceiver 502 is used to report condition switching information to network devices.

[0416] The condition switching information includes:

[0417] The handover triggering conditions configured for the terminal by the network device and / or the handover triggering conditions that the terminal has already met in the target cell.

[0418] The switching triggering conditions include one or more of the following conditions:

[0419] The distance between the terminal and the satellite;

[0420] The distance between the terminal and the center of the satellite-covered cell;

[0421] The distance between the terminal and the edge of the satellite coverage cell;

[0422] The change in distance between the terminal's reference position and the estimated position of the target satellite;

[0423] The time when the terminal triggers the switching of conditions;

[0424] The time from when the terminal receives the condition switching configuration to when the condition switching is triggered;

[0425] Timing advance value from the terminal to the target base station;

[0426] The elevation angle between the terminal at a first position in the source cell and the satellite, and the elevation angle between the terminal at a second position in the target cell and the satellite, wherein the first position and the second position are the same;

[0427] The measured values ​​of RSRP and / or RSRQ of the terminal in the source cell; the measured values ​​of RSRP and / or RSRQ of the terminal in the target cell.

[0428] The condition switching information includes one or more of the following conditions:

[0429] When the terminal successfully switches to the target cell, all handover triggering conditions and measurement values ​​of the successful handover are recorded.

[0430] When the terminal handover fails, all candidate cells do not meet the handover triggering conditions and the measurement values ​​under the unmet handover triggering conditions;

[0431] Measurement values ​​obtained when the terminal switching fails or the wireless link fails;

[0432] The measurement value obtained by the terminal under the currently met switching trigger conditions.

[0433] The condition switching information includes:

[0434] When a terminal is configured with multiple trigger conditions, at least one of the following information is required:

[0435] The order in which multiple triggering conditions are met, the time interval between the fulfillment of multiple triggering conditions, and the measured values ​​of other triggering conditions when the first triggering condition is met.

[0436] The measured value includes one or more of the following:

[0437] The current distance between the terminal and the satellite;

[0438] The current distance between the terminal and the center of the satellite coverage cell;

[0439] The current distance between the terminal and the edge of the satellite coverage cell;

[0440] The terminal receives the current time of the conditional switching configuration;

[0441] The current time of the terminal trigger condition switching;

[0442] The timing advance value of the terminal to the target base station;

[0443] The elevation angle between the terminal's current location and the satellite;

[0444] The measured values ​​of the reference signal received power (RSRP) and / or the reference signal received quality (RSRQ) of the terminal in the source cell;

[0445] The terminal's RSRP and / or RSRQ measurements in the target cell.

[0446] When the target cell meets all the handover triggering conditions, the handover condition information also includes the handover triggering conditions and measurement values ​​that the terminal meets in other candidate cells, the handover triggering conditions that are not met, and the measurement values ​​under the unmet handover triggering conditions.

[0447] The condition switching information includes one or more of the following:

[0448] Source cell identifier, candidate cell identifier, identifier of the satellite currently providing services to the terminal.

[0449] The transceiver is used for:

[0450] The condition switching information is reported to the network device via a first message, wherein the first message includes one or more of the following:

[0451] Wireless link failure report, terminal information response, terminal condition handover report message.

[0452] The transceiver is configured to: receive a mobility control message sent by the network device during the condition handover preparation phase; and, after the handover is completed, send a condition handover reporting message to the network device according to the mobility control message, wherein the condition handover reporting message includes the condition handover information.

[0453] The apparatus provided in this application embodiment can execute the above method embodiment, and its implementation principle and technical effect are similar, so it will not be described again here.

[0454] This application also provides an information processing apparatus applied to network devices. See also... Figure 6 , Figure 6 This is a structural diagram of the information processing apparatus provided in the embodiments of this application. Figure 6 As shown, the information processing device includes: a processor 601 and a transceiver 602;

[0455] The transceiver 602 is used to receive condition switching information reported by the terminal;

[0456] The processor 601 is used to process the condition switching information.

[0457] The condition switching information includes:

[0458] The handover triggering conditions configured for the terminal by the network device and / or the handover triggering conditions that the terminal has already met in the target cell.

[0459] The switching triggering conditions include one or more of the following conditions:

[0460] The distance between the terminal and the satellite;

[0461] The distance between the terminal and the center of the satellite-covered cell;

[0462] The distance between the terminal and the edge of the satellite coverage cell;

[0463] The change in distance between the terminal's reference position and the estimated position of the target satellite;

[0464] The time when the terminal triggers the switching of conditions;

[0465] The time from when the terminal receives the condition switching configuration to when the condition switching is triggered;

[0466] Timing advance value from the terminal to the target base station;

[0467] The elevation angle between the terminal at a first position in the source cell and the satellite, and the elevation angle between the terminal at a second position in the target cell and the satellite, wherein the first position and the second position are the same;

[0468] The measured values ​​of RSRP and / or RSRQ of the terminal in the source cell; the measured values ​​of RSRP and / or RSRQ of the terminal in the target cell.

[0469] The condition switching information includes one or more of the following conditions:

[0470] When the terminal successfully switches to the target cell, all handover triggering conditions and measurement values ​​of the successful handover are recorded.

[0471] When the terminal handover fails, all candidate cells do not meet the handover triggering conditions and the measurement values ​​under the unmet handover triggering conditions;

[0472] Measurement values ​​obtained when the terminal switching fails or the wireless link fails;

[0473] The measurement value obtained by the terminal under the currently met switching trigger conditions.

[0474] The condition switching information includes:

[0475] When a terminal is configured with multiple trigger conditions, at least one of the following information is required:

[0476] The order in which multiple triggering conditions are met, the time interval between the fulfillment of multiple triggering conditions, and the measured values ​​of other triggering conditions when the first triggering condition is met.

[0477] The measured value includes one or more of the following:

[0478] The current distance between the terminal and the satellite;

[0479] The current distance between the terminal and the center of the satellite coverage cell;

[0480] The current distance between the terminal and the edge of the satellite coverage cell;

[0481] The terminal receives the current time of the conditional switching configuration;

[0482] The current time of the terminal trigger condition switching;

[0483] The timing advance value of the terminal to the target base station;

[0484] The elevation angle between the terminal's current location and the satellite;

[0485] The measured values ​​of the reference signal received power (RSRP) and / or the reference signal received quality (RSRQ) of the terminal in the source cell;

[0486] The terminal's RSRP and / or RSRQ measurements in the target cell.

[0487] When the target cell meets all the handover triggering conditions, the handover condition information also includes the handover triggering conditions and measurement values ​​that the terminal meets in other candidate cells, the handover triggering conditions that are not met, and the measurement values ​​under the unmet handover triggering conditions.

[0488] The condition switching information includes one or more of the following:

[0489] Source cell identifier, candidate cell identifier, identifier of the satellite currently providing services to the terminal.

[0490] The transceiver is used for:

[0491] The terminal reports the condition switching information via a first message, wherein the first message includes one or more of the following:

[0492] Wireless link failure report, terminal information response, terminal condition handover report message.

[0493] The transceiver is configured to: send a mobility control message to the terminal during the condition handover preparation phase; and receive a condition handover reporting message sent by the terminal after the handover is completed, wherein the condition handover reporting message includes the condition handover information.

[0494] The apparatus provided in this application embodiment can execute the above method embodiment, and its implementation principle and technical effect are similar, so it will not be described again here.

[0495] This application also provides a communication device, including: a transceiver, a memory, a processor, and a program stored in the memory and executable on the processor; the processor is used to read the program in the memory to implement the steps in the information processing method described above.

[0496] This application also provides a readable storage medium storing a program. When executed by a processor, this program implements the various processes of the above-described information processing method embodiments and achieves the same technical effects. To avoid repetition, it will not be described again here. The readable storage medium can be any available medium or data storage device that the processor can access, including but not limited to magnetic storage (e.g., floppy disks, hard disks, magnetic tapes, magneto-optical disks (MO), etc.), optical storage (e.g., CDs, DVDs, BDs, HVDs, etc.), and semiconductor storage (e.g., ROMs, EPROMs, EEPROMs, non-volatile memory (NAND flash), solid-state drives (SSDs)).

[0497] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0498] Through the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus necessary general-purpose hardware platforms. Of course, they can also be implemented by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product is stored in a storage medium (such as ROM / RAM, disk, optical disk) and includes several instructions to cause a terminal (which may be a mobile phone, computer, server, air conditioner, or network device, etc.) to execute the methods described in the various embodiments of this application.

[0499] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. An information processing method applied to a terminal, characterized in that, include: In a non-terrestrial network (NTN), in the event of a successful or failed handover, conditional handover information is reported to the network device, wherein the conditional handover information includes: The handover triggering conditions configured for the terminal by the network device; The handover triggering conditions that the terminal has currently met in the target cell; The identifier of the satellite currently providing services to the terminal; When a terminal is configured with multiple trigger conditions, the interval between the fulfillment of the multiple trigger conditions; The switching triggering conditions include: the distance change between the terminal's reference position and the estimated position of the target satellite, and the timing advance value from the terminal to the target base station.

2. The method according to claim 1, characterized in that, The switching triggering conditions also include one or more of the following conditions: The distance between the terminal and the satellite; The distance between the terminal and the center of the satellite-covered cell; The distance between the terminal and the edge of the satellite coverage cell; The time when the terminal triggers the switching of conditions; The time from when the terminal receives the condition switching configuration to when the condition switching is triggered; The elevation angle between the terminal at a first position in the source cell and the satellite, and the elevation angle between the terminal at a second position in the target cell and the satellite, wherein the first position and the second position are the same; The measured values ​​of the reference signal received power (RSRP) and / or reference signal received quality (RSRQ) of the terminal in the source cell; the measured values ​​of the RSRP and / or RSRQ of the terminal in the target cell.

3. The method according to claim 1, characterized in that, The condition switching information also includes one or more of the following conditions: When the terminal successfully switches to the target cell, all handover triggering conditions and measurement values ​​of the successful handover are recorded. When the terminal handover fails, all candidate cells do not meet the handover triggering conditions and the measurement values ​​under the unmet handover triggering conditions; Measurement values ​​obtained when the terminal switching fails or the wireless link fails; The measurement value obtained by the terminal under the currently met switching trigger conditions.

4. The method according to claim 1, characterized in that, The condition switching information also includes: When a terminal is configured with multiple trigger conditions, the order in which these trigger conditions are met is determined by the measurement value of the other trigger conditions when the first trigger condition is met.

5. The method according to claim 3 or 4, characterized in that, The measured value includes one or more of the following measured values: The current distance between the terminal and the satellite; The current distance between the terminal and the center of the satellite coverage cell; The current distance between the terminal and the edge of the satellite coverage cell; The terminal receives the current time of the conditional switching configuration; The current time of the terminal trigger condition switching; The timing advance value of the terminal to the target base station; The elevation angle between the terminal's current location and the satellite; The measured values ​​of the reference signal received power (RSRP) and / or the reference signal received quality (RSRQ) of the terminal in the source cell; The terminal's RSRP and / or RSRQ measurements in the target cell.

6. The method according to claim 4, characterized in that, When the target cell meets all the handover triggering conditions, the handover condition information also includes the handover triggering conditions and measurement values ​​that the terminal meets in other candidate cells, the handover triggering conditions that are not met, and the measurement values ​​under the unmet handover triggering conditions.

7. The method according to claim 1, characterized in that, The condition switching information also includes: Source cell identifier, and / or candidate cell identifier.

8. The method according to claim 1, characterized in that, The reporting of condition switching information to network devices includes: The condition switching information is reported to the network device via a first message, wherein the first message includes one or more of the following: Wireless link failure report, terminal information response, terminal condition handover report message.

9. The method according to claim 8, characterized in that, Before reporting condition switching information to the network device, the method further includes: During the condition handover preparation phase, the system receives mobility control messages sent by the network device. The reporting of condition switching information to network devices includes: After the handover is completed, a conditional handover reporting message is sent to the network device according to the mobility control message. The conditional handover reporting message includes the conditional handover information.

10. An information processing method applied to a network device, characterized in that, include: In NTN, the receiving terminal reports conditional handover information in the event of a successful or failed handover. Process according to the condition switching information; The condition switching information includes: The handover triggering conditions configured for the terminal by the network device; The handover triggering conditions that the terminal has currently met in the target cell; The identifier of the satellite currently providing services to the terminal; When a terminal is configured with multiple trigger conditions, the interval between the fulfillment of the multiple trigger conditions; The switching triggering conditions include: the distance change between the terminal's reference position and the estimated position of the target satellite, and the timing advance value from the terminal to the target base station.

11. The method according to claim 10, characterized in that, The switching triggering conditions also include one or more of the following conditions: The distance between the terminal and the satellite; The distance between the terminal and the center of the satellite-covered cell; The distance between the terminal and the edge of the satellite coverage cell; The time when the terminal triggers the switching of conditions; The time from when the terminal receives the condition switching configuration to when the condition switching is triggered; The elevation angle between the terminal at a first position in the source cell and the satellite, and the elevation angle between the terminal at a second position in the target cell and the satellite, wherein the first position and the second position are the same; The terminal's RSRP and / or RSRQ measurements in the source cell; The terminal's RSRP and / or RSRQ measurements in the target cell.

12. The method according to claim 10, characterized in that, The condition switching information also includes one or more of the following conditions: When the terminal successfully switches to the target cell, all handover triggering conditions and measurement values ​​of the successful handover are recorded. When the terminal handover fails, all candidate cells do not meet the handover triggering conditions and the measurement values ​​under the unmet handover triggering conditions; Measurement values ​​obtained when the terminal switching fails or the wireless link fails; The measurement value obtained by the terminal under the currently met switching trigger conditions.

13. The method according to claim 10, characterized in that, The condition switching information also includes: When a terminal is configured with multiple trigger conditions, the order in which these trigger conditions are met is determined by the measurement value of the other trigger conditions when the first trigger condition is met.

14. The method according to claim 12 or 13, characterized in that, The measured value includes one or more of the following measured values: The current distance between the terminal and the satellite; The current distance between the terminal and the center of the satellite coverage cell; The current distance between the terminal and the edge of the satellite coverage cell; The terminal receives the current time of the conditional switching configuration; The current time of the terminal trigger condition switching; The timing advance value of the terminal to the target base station; The elevation angle between the terminal's current location and the satellite; The measured values ​​of the reference signal received power (RSRP) and / or the reference signal received quality (RSRQ) of the terminal in the source cell; The terminal's RSRP and / or RSRQ measurements in the target cell.

15. The method according to claim 13, characterized in that, When the target cell meets all the handover triggering conditions, the handover condition information also includes the handover triggering conditions and measurement values ​​that the terminal meets in other candidate cells, the handover triggering conditions that are not met, and the measurement values ​​under the unmet handover triggering conditions.

16. The method according to claim 10, characterized in that, The condition switching information also includes: Source cell identifier, and / or candidate cell identifier.

17. The method according to claim 10, characterized in that, The condition switching information reported by the receiving terminal includes: The terminal reports the condition switching information via a first message, wherein the first message includes one or more of the following: Wireless link failure report, terminal information response, terminal condition handover report message.

18. The method according to claim 17, characterized in that, The method further includes: During the condition switching preparation phase, a mobility control message is sent to the terminal; The condition switching information reported by the receiving terminal includes: The terminal receives a conditional handover reporting message after the handover is completed, and the conditional handover reporting message includes the conditional handover information.

19. An information processing device, applied to a terminal, characterized in that, include: The reporting module is used in the NTN to report conditional handover information to the network device in the event of a successful or failed handover, wherein the conditional handover information includes: The handover triggering conditions configured for the terminal by the network device; The handover triggering conditions that the terminal has currently met in the target cell; The identifier of the satellite currently providing services to the terminal; When a terminal is configured with multiple trigger conditions, the interval between the fulfillment of the multiple trigger conditions; The switching triggering conditions include: the distance change between the terminal's reference position and the estimated position of the target satellite, and the timing advance value from the terminal to the target base station.

20. An information processing device, applied to network equipment, characterized in that, include: The first receiving module is configured to receive conditional handover information reported by the terminal in the NTN in the event of a successful or failed handover. The conditional handover information includes: handover triggering conditions configured for the terminal by the network device; handover triggering conditions currently met by the terminal in the target cell; the identifier of the satellite currently providing services to the terminal; and the interval between the fulfillment of multiple triggering conditions when the terminal is configured with multiple triggering conditions. The handover triggering conditions include: the distance change between the terminal's reference position and the estimated position of the target satellite and the timing advance value from the terminal to the target base station. The first processing module is used to process the condition switching information.

21. An information processing device, applied to a terminal, characterized in that, include: Processor and transceiver; The transceiver is used in the NTN to report conditional handover information to the network device in the event of a successful or failed handover, wherein the conditional handover information includes: The handover triggering conditions configured for the terminal by the network device; The handover triggering conditions that the terminal has currently met in the target cell; The identifier of the satellite currently providing services to the terminal; When a terminal is configured with multiple trigger conditions, the interval between the fulfillment of the multiple trigger conditions; The switching triggering conditions include: the distance change between the terminal's reference position and the estimated position of the target satellite, and the timing advance value from the terminal to the target base station.

22. An information processing device, applied to network equipment, characterized in that, include: Processor and transceiver; The transceiver is used in the NTN to receive conditional handover information reported by the terminal in the event of a successful or failed handover, wherein the conditional handover information includes: The handover triggering conditions configured for the terminal by the network device; the handover triggering conditions that the terminal has currently met in the target cell; the identifier of the satellite currently providing services to the terminal; and the interval between the fulfillment of multiple triggering conditions when the terminal is configured with multiple triggering conditions; wherein, the handover triggering conditions include: the distance change between the terminal's reference position and the estimated position of the target satellite and the timing advance value from the terminal to the target base station; The processor is used to process the condition switching information.

23. A communication device, comprising: A transceiver, a memory, a processor, and a program stored in the memory and executable on the processor; characterized in that the processor is configured to read the program from the memory to implement the steps of the information processing method as described in any one of claims 1 to 9; or to implement the steps of the information processing method as described in any one of claims 10 to 18.

24. A readable storage medium for storing a program, characterized in that, When the program is executed by a processor, it implements the steps of the information processing method as described in any one of claims 1 to 9; or implements the steps of the information processing method as described in any one of claims 10 to 18.

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