Cell handover method and apparatus, and device, storage medium and program product
By using AI/ML models on the terminal and network sides to obtain terminal movement information, predict and decide on target cell switching, the problem of frequent switching of terminals in multiple switching candidate cells is solved, achieving enhanced mobility and improved stability.
Patent Information
- Application Number
- PCT/CN2025/087319
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-04-03
- Filing Date
- 2025-04-03
- Publication Date
- 2025-10-09
AI Technical Summary
In the prior art, the prior art fails to effectively solve the problem that when a terminal switches to multiple candidate cells, individual differences of the terminal are not fully considered, resulting in frequent cell switching or ping-pong switching.
By configuring artificial intelligence (AI) models and machine learning (ML) models on the terminal and network sides, the terminal's movement information is obtained, and target cell switching is predicted and decided to avoid frequent switching.
It achieves mobility enhancement based on AI-assisted terminal movement, avoids frequent cell switching or ping-pong switching, and improves the accuracy and stability of switching decisions.
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Figure CN2025087319_09102025_PF_FP_ABST
Abstract
Description
Cell switching method, device, equipment, storage medium and program product
[0001] CROSS-REFERENCE TO RELATED APPLICATIONS
[0002] This disclosure is based on and claims the priority of Chinese patent application with application number 202410403674.X and application date April 3, 2024. The entire content of the Chinese patent application is hereby incorporated into this disclosure by reference. Technical Field
[0003] The present disclosure relates to the field of wireless communication technologies, and in particular to a cell switching method, apparatus, device, storage medium, and program product. Background Art
[0004] In a communication system, a terminal can send an RRM (Radio Resource Management) measurement report to the network. The network will combine the RRM measurement report reported by the terminal with information such as the cell switching threshold to make decisions such as whether to perform a cell handover, when to perform a cell handover, and to which adjacent cell to handover. Summary of the Invention
[0005] The embodiments of the present disclosure provide a cell switching method, apparatus, device, storage medium, and program product, which achieve AI-assisted mobility enhancement based on terminal movement conditions by considering individual differences of terminals, thereby avoiding frequent cell switching or ping-pong switching.
[0006] In a first aspect, an embodiment of the present disclosure provides a cell handover method, applied to a terminal side, including:
[0007] Acquire first information; the first information is used to describe the motion information of the terminal;
[0008] Get target cell information;
[0009] Receive cell switching command.
[0010] In some embodiments, the target cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information; the first module includes an artificial intelligence AI model and / or a machine learning ML model.
[0011] In some embodiments, when the first module is on the terminal side, the method further includes:
[0012] Report the target cell information to the network side; wherein, the target cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information, and is used to instruct the network side to trigger the cell switching command.
[0013] In some embodiments, when the first module is on the terminal side, obtaining target cell information includes:
[0014] Reporting candidate cell information to the network side; wherein the candidate cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information;
[0015] Reporting the second measurement information and / or the first information and / or the third information to the network side;
[0016] Receive the target cell information; wherein, the target cell information is decided and / or selected by the network side from the candidate cell information based on the second measurement information and / or the first information and / or the third information.
[0017] In some embodiments, when the first module is on the network side, the method further includes:
[0018] Reporting the first measurement information to the network side;
[0019] Report the first information to the network side.
[0020] In some embodiments, when the first module is on the network side, obtaining target cell information includes:
[0021] Receive the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the first module according to the first measurement information and / or the first information.
[0022] In some embodiments, obtaining target cell information includes:
[0023] receiving a reconfiguration message, where the reconfiguration message includes candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information;
[0024] Send reconfiguration completion message;
[0025] The target cell information is decided and / or selected from the candidate cell information according to the second measurement information and / or the first information and / or the third information.
[0026] In some embodiments, when the first module is on the network side, obtaining target cell information includes:
[0027] receiving a reconfiguration message, where the reconfiguration message includes candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information;
[0028] Send reconfiguration completion message;
[0029] Reporting the second measurement information and / or the first information and / or the third information to the network side;
[0030] Receive the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the network side from the candidate cell information based on the second measurement information and / or the first information and / or the third information.
[0031] In some embodiments, when both the terminal side and the network side are configured with the first module, the method further includes:
[0032] Reporting the first measurement information to the network side;
[0033] Reporting the first information to the network side;
[0034] Predicting and / or deciding and / or selecting candidate cell information through a first module on the terminal side according to the first measurement information and / or the first information;
[0035] And / or, receiving candidate cell information, where the candidate cell information is predicted and / or decided and / or selected by the first module on the network side according to the first measurement information and / or the first information.
[0036] In some embodiments, the first information is reported via UE assistance information.
[0037] In some embodiments, the first information is reported via a measurement report.
[0038] In some embodiments, the first information includes a movement speed and / or a movement direction of the terminal.
[0039] In some embodiments, the first information includes a motion enhancement indicator of the terminal.
[0040] In some embodiments, the motion enhancement identifier in the first information is an enumeration type, and the enumeration value indicates the motion rate of the terminal and / or the difference between the motion rate of the terminal and the rate threshold, and / or, the enumeration value indicates the motion direction of the terminal and / or the difference between the motion direction of the terminal and a preset motion direction.
[0041] In some embodiments, when the movement rate of the terminal exceeds a preset rate threshold, reporting of the first information is triggered.
[0042] In some embodiments, the first module is trained based on at least one of past first measurement information, past second measurement information, and past first information, and feedback data obtained after past cell switching; the feedback data includes: at least one of the load information of the source cell, the load information of the adjacent cell, switching failure information, radio frequency link failure information, and the number of switching times.
[0043] In some embodiments, the cell switching command is used to instruct the terminal to switch from a source cell to a target cell.
[0044] In a second aspect, an embodiment of the present disclosure provides a cell handover method, applied to a terminal side, including:
[0045] Acquire second information, where the second information is used to infer motion information of the terminal, where the motion information includes a motion rate and / or a motion direction;
[0046] Get target cell information;
[0047] Receive cell switching command.
[0048] In some embodiments, the target cell information is decided and / or selected by the first module based on the second information and / or motion information inferred from the second information; the first module includes an artificial intelligence AI model and / or a machine learning ML model.
[0049] In some embodiments, when the first module is configured on the terminal side, the method further includes:
[0050] Report the target cell information to the network side; wherein, the target cell information is predicted and / or decided and / or selected by the first module based on the second information and / or the motion information inferred from the second information, and is used to instruct the network side to trigger the cell switching command.
[0051] In some embodiments, when the first module is configured on the terminal side, obtaining target cell information includes:
[0052] Reporting candidate cell information to the network side; wherein the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information;
[0053] Reporting the first measurement information to the network side;
[0054] Receive the target cell information; wherein, the target cell information is decided and / or selected by the network side from the candidate cell information according to the first measurement information.
[0055] In some embodiments, when the first module is configured on the network side, the method further includes:
[0056] Report the second information to the network side.
[0057] In some embodiments, when the first module is configured on the network side, obtaining target cell information includes:
[0058] Receive the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information.
[0059] In some embodiments, when the first module is configured on the network side, obtaining target cell information includes:
[0060] receiving a reconfiguration message, the reconfiguration message including candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information;
[0061] Send reconfiguration completion message;
[0062] The target cell information is decided and / or selected from the candidate cell information according to the first measurement information.
[0063] In some embodiments, when the first module is configured on the network side, obtaining target cell information includes:
[0064] receiving a reconfiguration message, the reconfiguration message including candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information;
[0065] Send reconfiguration completion message;
[0066] Reporting the first measurement information to the network side;
[0067] Receive the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the network side from the candidate cell information based on the first measurement information.
[0068] In some embodiments, when both the terminal side and the network side are configured with the first module, the method further includes:
[0069] reporting the second information to the network side;
[0070] Predicting and / or deciding and / or selecting candidate cell information through a first module configured on the terminal side according to the second information and / or motion information inferred from the second information;
[0071] And / or, receiving candidate cell information, where the candidate cell information is predicted and / or decided and / or selected by a first module configured on the network side based on the second information and / or motion information inferred from the second information.
[0072] In some embodiments, the second information is reported via a measurement report.
[0073] In some embodiments, the second information is reported via UE assistance information.
[0074] In some embodiments, the second information includes a set of measurement information obtained according to a preset time template.
[0075] In some embodiments, the measurement information includes at least one of a reference signal received power, a reference signal received quality, and a signal to interference plus noise ratio.
[0076] In some embodiments, the first module is trained based on at least one of past first measurement information, past second information, and feedback data obtained after past cell switching; the feedback data includes: at least one of the load information of the source cell, the load information of the adjacent cell, switching failure information, radio frequency link failure information, and the number of switching times.
[0077] In some embodiments, the cell switching command is used to instruct the terminal to switch from a source cell to a target cell.
[0078] In a third aspect, an embodiment of the present disclosure provides a cell handover method, applied to a network side, including:
[0079] A cell switching command is issued; wherein, the cell switching command is used to instruct the terminal to switch from the source cell to the target cell; the target cell information corresponding to the target cell is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information; the first module includes an artificial intelligence AI model and / or a machine learning ML model; the first information is used to describe the motion information of the terminal.
[0080] In some embodiments, when the first module is configured on the terminal side, the sending of the cell switching command to the terminal side includes:
[0081] Receiving the target cell information reported by the terminal side; wherein the target cell information is predicted and / or decided and / or selected by the first module based on the measured first measurement information and / or the first information;
[0082] The cell handover command is triggered in response to the target cell information.
[0083] In some embodiments, when the first module is configured on the terminal side, the sending of the cell switching command to the terminal side includes:
[0084] Receiving candidate cell information reported by the terminal side; wherein the candidate cell information is predicted and / or decided and / or selected by the first module based on the measured first measurement information and / or the first information;
[0085] receiving the second measurement information and / or the first information and / or the third information reported by the terminal side;
[0086] Send the target cell information; wherein, the target cell information is decided and / or selected by the network side from the candidate cell information based on the second measurement information and / or the first information and / or the third information.
[0087] In some embodiments, when the first module is configured on the network side, the method further includes:
[0088] receiving the first measurement information;
[0089] The first information is received.
[0090] In some embodiments, when the first module is configured on the network side, the method further includes:
[0091] Send the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the first module according to the first measurement information and / or the first information.
[0092] In some embodiments, when the first module is configured on the network side, the method further includes:
[0093] A reconfiguration message is sent, where the reconfiguration message includes candidate cell information; the candidate cell is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information; the target cell information is decided and / or selected by the terminal side from the candidate cell information based on the first measurement information and / or the first information.
[0094] In some embodiments, when the first module is configured on the network side, the method further includes:
[0095] Sending a reconfiguration message, where the reconfiguration message includes candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information;
[0096] Receive a reconfiguration completion message;
[0097] receiving second measurement information and / or the first information and / or third information;
[0098] Send the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the network side from the candidate cells based on the second measurement information and / or the first information and / or the third information.
[0099] In some embodiments, when both the terminal side and the network side are configured with the first module, the method further includes:
[0100] receiving first measurement information and the first information;
[0101] Predicting and / or deciding and / or selecting candidate cell information through a first module configured on the network side according to the first measurement information and / or the first information;
[0102] And / or, receiving candidate cell information, where the candidate cell information is predicted and / or decided and / or selected by a first module configured on the terminal side based on the first measurement information and / or the first information.
[0103] In some embodiments, the first information is reported via UE assistance information.
[0104] In some embodiments, the first information is reported via a measurement report.
[0105] In some embodiments, the first information includes a movement speed and / or a movement direction of the terminal.
[0106] In some embodiments, the first information includes a motion enhancement indicator of the terminal.
[0107] In some embodiments, the motion enhancement identifier in the first information is an enumeration type, and the enumeration value indicates the motion rate of the terminal and / or the difference between the motion rate of the terminal and the rate threshold, and / or, the enumeration value indicates the motion direction of the terminal and / or the difference between the motion direction of the terminal and a preset motion direction.
[0108] In some embodiments, when the movement rate of the terminal exceeds a preset rate threshold, reporting of the first information is triggered.
[0109] In some embodiments, the first module is trained based on at least one of past first measurement information, past second measurement information, and past first information, and feedback data obtained after past cell switching; the feedback data includes: at least one of the load information of the source cell, the load information of the adjacent cell, switching failure information, radio frequency link failure information, and the number of switching times.
[0110] In a fourth aspect, an embodiment of the present disclosure provides a cell handover method, applied to a network side, comprising:
[0111] A cell switching command is issued; wherein, the cell switching command is used to instruct the terminal to switch from the source cell to the target cell; the target cell information corresponding to the target cell is decided and / or selected by the first module based on the second information and / or the motion information inferred from the second information; the first module includes an artificial intelligence AI model and / or a machine learning ML model; the second information is used to infer the motion information of the terminal, and the motion information includes motion rate and / or motion direction.
[0112] In some embodiments, when the first module is configured on the terminal side, the method further includes:
[0113] Receive the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the first module based on the second information and / or the motion information inferred from the second information, and is used to instruct the network side to trigger the cell switching command.
[0114] In some embodiments, when the first module is configured on the terminal side, the method further includes:
[0115] Receiving candidate cell information; wherein the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information;
[0116] receiving first measurement information;
[0117] Send the target cell information; wherein the target cell information is decided and / or selected by the network side from the candidate cell information based on the first measurement information.
[0118] In some embodiments, when the first module is configured on the network side, the method further includes:
[0119] The second information is received.
[0120] In some embodiments, when the first module is configured on the network side, the method further includes:
[0121] Send the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information.
[0122] In some embodiments, when the first module is configured on the network side, the method further includes:
[0123] Sending a reconfiguration message, where the reconfiguration message includes candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information;
[0124] Receive the target cell information; wherein the target cell information is decided and / or selected by the terminal side from the candidate cell information according to the first measurement information.
[0125] In some embodiments, when the first module is configured on the network side, the method further includes:
[0126] Sending a reconfiguration message, where the reconfiguration message includes candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information;
[0127] Receive a reconfiguration completion message;
[0128] Receive first measurement information, and predict and / or decide and / or select the target cell information from the candidate cell information based on the first measurement information.
[0129] In some embodiments, when both the terminal side and the network side are configured with the first module, the method further includes:
[0130] receiving the second information;
[0131] Predicting and / or deciding and / or selecting candidate cell information through a first module configured on the network side based on the second information and / or motion information inferred from the second information;
[0132] And / or, receiving candidate cell information, where the candidate cell information is predicted and / or decided and / or selected by a first module configured on the terminal side based on the second information and / or motion information inferred from the second information.
[0133] In some embodiments, the second information is reported via a measurement report.
[0134] In some embodiments, the second information is reported via UE assistance information.
[0135] In some embodiments, the second information includes a set of measurement information obtained according to a preset time template.
[0136] In some embodiments, the measurement information includes at least one of a reference signal received power, a reference signal received quality, and a signal to interference plus noise ratio.
[0137] In some embodiments, the first module is trained based on at least one of past first measurement information, past second information, and feedback data obtained after past cell switching; the feedback data includes: at least one of the load information of the source cell, the load information of the adjacent cell, switching failure information, radio frequency link failure information, and the number of switching times.
[0138] In a fifth aspect, an embodiment of the present disclosure provides a cell switching device, applied to a terminal side, including:
[0139] A first information acquisition module is configured to acquire first information, wherein the first information is used to describe motion information of the terminal;
[0140] A target cell acquisition module is used to obtain target cell information;
[0141] The switching command receiving module is used to receive a cell switching command.
[0142] In a sixth aspect, an embodiment of the present disclosure provides a cell switching device, applied to a terminal side, including:
[0143] A first information acquisition module is configured to acquire second information, where the second information is used to infer motion information of the terminal, where the motion information includes a motion rate and / or a motion direction;
[0144] A target cell acquisition module is used to obtain target cell information;
[0145] The switching command receiving module is used to receive a cell switching command.
[0146] In a seventh aspect, an embodiment of the present disclosure provides a cell switching device, applied to a network side, comprising:
[0147] A switching command issuing module is used to issue a cell switching command; wherein the cell switching command is used to instruct the terminal to switch from a source cell to a target cell; the target cell information corresponding to the target cell is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information; the first module includes an artificial intelligence AI model and / or a machine learning ML model; the first information is used to describe the motion information of the terminal.
[0148] In an eighth aspect, an embodiment of the present disclosure provides a cell switching device, applied to a network side, including:
[0149] A switching command issuing module is used to issue a cell switching command; wherein the cell switching command is used to instruct the terminal to switch from the source cell to the target cell; the target cell information corresponding to the target cell is decided and / or selected by the first module based on the second information and / or the motion information inferred from the second information; the first module includes an artificial intelligence AI model and / or a machine learning ML model; the second information is used to infer the motion information of the terminal, and the motion information includes motion rate and / or motion direction.
[0150] In the ninth aspect, an embodiment of the present disclosure provides a cell switching device, comprising: a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, wherein when the processor executes the computer program, it implements the cell switching method as described in any one of the first aspect, the cell switching method as described in any one of the second aspect, the cell switching method as described in any one of the third aspect, or the cell switching method as described in any one of the fourth aspect.
[0151] In the tenth aspect, an embodiment of the present disclosure provides a computer-readable storage medium, which stores a computer program, wherein when the computer program is running, the device where the computer-readable storage medium is located is controlled to execute the cell switching method as described in any one of the first aspect, the cell switching method as described in any one of the second aspect, the cell switching method as described in any one of the third aspect, or the cell switching method as described in any one of the fourth aspect.
[0152] In the eleventh aspect, an embodiment of the present disclosure provides a computer program product, comprising a computer program / instruction, which, when executed by a processor, implements a cell switching method as described in any one of the first aspect, a cell switching method as described in any one of the second aspect, a cell switching method as described in any one of the third aspect, or a cell switching method as described in any one of the fourth aspect.
[0153] Compared with the prior art, the beneficial effects of a cell switching method, device, equipment, storage medium and program product of the embodiments of the present disclosure are: in combination with the movement information of the terminal, the target cell for switching is decided and / or selected through an artificial intelligence AI model and / or a machine learning ML model, fully considering the individual differences of the terminal, and realizing mobility enhancement based on the terminal movement situation assisted by AI, avoiding the phenomenon of frequent cell switching or ping-pong switching. BRIEF DESCRIPTION OF THE DRAWINGS
[0154] In order to more clearly illustrate the technical solution of the present disclosure, the following will briefly introduce the drawings used in the implementation methods. Obviously, the drawings described below are only some implementation methods of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0155] FIG1 is a schematic diagram of a network architecture provided by an embodiment of the present disclosure;
[0156] FIG2 is a flow chart of a cell switching method provided in Embodiment 1 of the present disclosure;
[0157] FIG3 is another flowchart of cell switching provided by the first embodiment of the present disclosure;
[0158] FIG4 is another flowchart of cell switching provided by the first embodiment of the present disclosure;
[0159] FIG5 is a schematic diagram of cell reasoning prediction based on an AI / ML model provided by an embodiment of the present disclosure;
[0160] FIG6 is a flowchart of a cell switching method provided in Embodiment 2 of the present disclosure;
[0161] FIG7 is a schematic diagram of motion information calculation of a terminal provided in a second embodiment of the present disclosure;
[0162] FIG8 is another flowchart of cell switching provided in the second embodiment of the present disclosure;
[0163] FIG9 is a flowchart of a cell switching method provided in Embodiment 3 of the present disclosure;
[0164] FIG10 is a flowchart of a cell switching method provided by Embodiment 4 of the present disclosure;
[0165] FIG11 is a structural block diagram of a cell switching device provided in Embodiment 5 of the present disclosure;
[0166] FIG12 is a structural block diagram of a cell switching device provided in Embodiment 6 of the present disclosure;
[0167] FIG13 is a structural block diagram of a cell switching device provided by an embodiment of the present disclosure. DETAILED DESCRIPTION
[0168] The following will be combined with the accompanying drawings in the embodiments of the present disclosure to clearly and completely describe the technical solutions in the embodiments of the present disclosure. Obviously, the embodiments described are only part of the embodiments of the present disclosure, not all of the embodiments. Based on the embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present disclosure.
[0169] It should be noted that, in the present disclosure, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article, or device. In the absence of further restrictions, an element defined by the statement "comprising..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the elements.
[0170] In the communication system, the terminal can send RRM measurement reports to the network side. The network side will combine the RRM measurement reports reported by the terminal with information such as the cell switching threshold to make decisions such as whether to perform cell switching, when to perform cell switching, and to which adjacent cell to switch.
[0171] However, currently, base stations use a unified judgment criteria when making the above decisions, and do not take into account the individual differences of terminals. In particular, when a terminal has multiple candidate cells for handover (candidate or candidate cell), for some terminals with faster movement speeds, if the target cell for handover is selected based solely on the RSRP value in the RRM measurement report, frequent cell handovers or ping-pong handovers may occur.
[0172] To address the above problems, embodiments of the present disclosure provide a cell switching method, apparatus, device, storage medium, and program product.
[0173] Figure 1 is a schematic diagram of a network architecture applicable to embodiments of the present disclosure. As shown in Figure 1, terminals (e.g., UE1 and UE2) can access a wireless network to obtain external network services or communicate with other devices via the wireless network. The wireless network includes a radio access network (RAN) and a core network (CN). The RAN is used to connect terminals to the wireless network, and the CN is used to manage the terminals and provide a gateway for communication with the external network.
[0174] The following is an explanation of some terminology concepts involved in the embodiments of the present disclosure.
[0175] A terminal is a mobile or fixed device with wireless transceiver capabilities. For example, the terminal can be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), a handheld device or computing device with wireless communication capabilities, a mobile phone, a tablet computer, a computer with wireless transceiver capabilities, a drone, a wearable device such as a virtual reality (VR) terminal or an augmented reality (AR) terminal, a wireless terminal in industrial control, a wireless terminal deployed on a ship, an airplane, or a satellite, a car, or a vehicle-mounted wireless terminal deployed on an unmanned vehicle. The terminal can also be a wireless terminal in telemedicine, smart grid, transportation safety, smart city, and / or smart home, as well as a terminal in the future fifth generation (5G) network or a terminal in the future evolved public land mobile network (PLMN), etc., which is not specifically limited in the embodiments of the present disclosure. A terminal may also sometimes be referred to as user equipment (UE).
[0176] The RAN may include one or more RAN devices. A RAN device is a node or device that connects a terminal to a wireless network. A RAN device may also be referred to as a network device or a base station. For example, a RAN device may be a base station, a gNB (generation node B, a 5G base station), an evolved node B (eNB), a radio network controller (RNC), a node B (NB), a base station controller (BSC), a base transceiver station (BTS), a home base station (e.g., home evolved node B, or home node B, HNB), a base band unit (BBU), a transmitting and receiving point (TRP), a transmitting point (TP), and / or a mobile switching center, etc., which are not specifically limited in the embodiments of the present disclosure.
[0177] It should be noted that the number of devices in the network architecture shown in FIG1 is for illustration only, and the embodiments of the present disclosure are not limited thereto. In actual applications, the wireless communication system may further include more terminals, more network devices, and other devices. It may be applicable to communication systems of various wireless access technologies, such as 4G communication systems, 5G communication systems, transition systems between LTE communication systems and 5G communication systems (also known as 4.5G communication systems), or future 6G communication systems. In a wireless communication system, a UE can switch a source cell. There are two main mechanisms for UE switching a source cell: one is base station triggering, in which the source base station sends a cell switching command to the UE, and the UE performs a handover to the target cell based on the configuration information of the target cell in the handover command. The other is UE triggering, in which the UE selects a target cell from one or more candidate cells and performs a handover to the target cell; for example, the source base station configures one or more candidate cells for the UE through a cell handover command, and the one or more candidate cells are configured with corresponding trigger conditions. When the UE determines that the trigger conditions are met, the UE can select the candidate cell corresponding to the trigger conditions as the target cell, and the UE performs a handover to the target cell.
[0178] Future research will investigate and evaluate the potential gains of AI (Artificial Intelligence) / ML (Machine Learning)-assisted network-initiated L3 mobility enhancements. AI / ML-based RRM (radio resource management) measurements and event predictions include:
[0179] Handover failure (HO) prediction: Once the AI / ML model predicts an impending HO failure, it assists the network in determining the target cell for the UE handover, thereby avoiding handover to the wrong cell or premature handover, thereby preventing HO failure.
[0180] Radio Link Failure (RLF) prediction: Once the AI / ML model predicts an impending RLF, a HO will be initiated promptly to minimize communication disruptions.
[0181] AI / ML model: A study item (SI) has been approved in the existing technology, proposing to apply AI / ML model to NR (also known as 5G communication system).
[0182] UE Assistance Information (UAI) is a new RRC message defined in the prior art. Through UE Assistance Information, the UE (User Equipment) can inform the network of its various internal states so that the network can schedule resources to better match the specific state of the UE.
[0183] RRM measurement reporting: RRM exists at multiple layers, including at least two of the following: the physical layer (also known as L1); the Media Access Control (MAC) / Radio Link Control (RLC) / Packet Data Convergence Protocol (PDCP) layers (the MAC / RLC / PDCP layers are also known as Layer 2 or L2); and the network layer (also known as the RRC layer or L3). At different layers, RRM processes radio resources at different time scales and uses different mechanisms:
[0184] At L1, the base station implements RRM using a Channel State Indicator (CSI) based on measurements of UE-generated downlink (DL) reference signals (RS), such as the Cell Reference Signal (CRS) or Channel State Information Reference Signal (CSI-RS) in LTE. In response to the CSI request, the UE sends the measurement results (e.g., reference signal received power (RSRP) and reference signal received quality (RSRQ)) to the base station using the physical uplink control channel (PUCCH) or physical uplink shared channel (PUSCH) feedback control. These values can be used for hybrid automatic repeat request (HARQ) and / or power control.
[0185] At L2, CSI-related feedback in LTE systems, such as buffer status reports (BSRs) and power headroom reports (PHRs), is sent in response to scheduling requests (SRs) using the MAC control element (MAC CE) in the PUSCH. L2 RRM can also use the PUCCH for UL and DL scheduling and link adaptation.
[0186] At L3, RRM uses event-driven or periodic triggering to obtain L1 filtered RSRQ / RSRQ measurements and L3 filtered RSRQ / RSRQ measurements as defined in the prior art. L3 RRM filters DL RS (e.g., cell-specific RS or CRS) obtained from the UE for mobility-related channel quality measurements and uses measurement reports and related HO triggers obtained from the UE to the network via L3 radio resource control (RRC) signaling messages. L3 RRM is typically controlled by the network in RRC_ACTIVE state or by the UE in RRC_IDLE state.
[0187] The RRC connected state means that the terminal has established an RRC connection with the base station corresponding to the serving cell and can perform data transmission.
[0188] A serving cell refers to the wireless area controlled by a base station. The serving cell corresponding to the base station with which the terminal establishes an RRC connection is called the source cell; serving cells adjacent to the source cell are called neighboring cells; neighboring cells to which the terminal can switch are called candidate cells; and the serving cell selected by the base station for the terminal's handover is called the target cell.
[0189] In the embodiments of the present disclosure, taking the 5G wireless communication system as an example, the terminal side can refer to a terminal (such as a UE) or a terminal server (such as a terminal manufacturer's own server or a chip manufacturer's server), and the network side can refer to a cell, or it can refer to some network-side network element devices and network-side servers (such as operator-controllable servers) that are independent of the cell. It can be understood that in the embodiments of the present disclosure, the terminal side and / or the network side can perform some or all of the steps in the embodiments of the present disclosure, and these steps or operations are only examples. The embodiments of the present disclosure can also perform other operations or variations of various operations. In addition, the various steps can be performed in different orders presented in the embodiments of the present disclosure, and it is possible that not all operations in the embodiments of the present disclosure need to be performed.
[0190] Example 1
[0191] Please refer to Figure 2, which is a flow chart of a cell switching method provided by an embodiment of the present disclosure. The cell switching method, applied to the terminal side, specifically includes:
[0192] S11: Acquire first information; the first information is used to describe motion information of the terminal;
[0193] S12: Obtain target cell information;
[0194] S13: Receive a cell switching command.
[0195] The cell switching command is used to instruct the terminal to switch from a source cell to a target cell.
[0196] The target cell information includes but is not limited to configuration information and identity information of the target cell.
[0197] The target cell is predicted and / or decided and / or selected by a first module according to the first measurement information and / or the first information; the first module includes an artificial intelligence AI model and / or a machine learning ML model;
[0198] The first measurement information includes at least one of a reference signal receiving power (RSRP), a reference signal receiving quality (RSRQ), and a signal to interference plus noise ratio (SINR).
[0199] The first information includes a movement speed and / or a movement direction of the terminal.
[0200] Furthermore, the first information includes a motion enhancement identifier of the terminal.
[0201] The motion enhancement identifier in the first information is an enumeration type (ENUMERATED), which indicates the motion rate of the terminal and / or the difference between the motion rate of the terminal and the rate threshold with an enumeration value, and / or indicates the motion direction of the terminal and / or the difference between the motion direction of the terminal and a preset motion direction with an enumeration value.
[0202] When the movement rate of the terminal exceeds a preset rate threshold, reporting of the first information is triggered.
[0203] In the embodiment of the present disclosure, the rate threshold may be a certain movement rate known to both the base station and the terminal. The movement rate may be carried by a system message sent by the base station to the terminal, or may be carried by the terminal capability information reported by the terminal to the base station.
[0204] It should be noted that the first module can be configured on the terminal side and / or the network side, so that the first module predicts and / or decides and / or selects the target cell information based on the first measurement information and / or the first information, or the first module predicts and / or decides and / or selects the candidate cell information based on the first measurement information and / or the first information, and then predicts and / or decides and / or selects the target cell information from the candidate cell information based on the second measurement information and / or the first information and / or the third information.
[0205] It should be understood that the second measurement information also includes at least one of the reference signal received power, the reference signal received quality, and the signal to interference plus noise ratio, but the second measurement information and the first measurement information are measured and reported at different times. Therefore, the specific values of the reference signal received power and / or reference signal received quality and / or the signal to interference plus noise ratio in the second measurement information and the first measurement information are different. Similarly, the third information also includes the movement rate and / or movement direction of the terminal, but the third information and the first information are measured and reported at different times. Therefore, the specific values of the third information and the first information are different.
[0206] The following describes an embodiment of the present disclosure involving prediction and / or decision-making and / or selection of target cell information based on the first module.
[0207] In some embodiments, when the first module is configured on the terminal side, the method further includes:
[0208] The terminal side reports the target cell information to the network side; wherein, the target cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information, and is used to instruct the network side to trigger the cell switching command.
[0209] Alternatively, the terminal side reports candidate cell information to the network side; wherein the candidate cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information;
[0210] The terminal side reports the second measurement information and / or the first information and / or the third information to the network side;
[0211] The terminal side receives the target cell information sent by the network side; wherein the target cell information is decided and / or selected by the network side from the candidate cell information based on the second measurement information and / or the first information and / or the third information.
[0212] In some embodiments, when the first module is configured on the network side, the method further includes:
[0213] The terminal side reports the first measurement information to the network side;
[0214] The terminal side reports the first information to the network side.
[0215] The terminal side receives the target cell information sent by the network side; wherein, the target cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information.
[0216] Alternatively, the terminal side receives a reconfiguration message sent by the network side, where the reconfiguration message includes candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information;
[0217] The terminal side returns a reconfiguration completion message to the network side;
[0218] The terminal side decides and / or selects the target cell information from the candidate cell information based on the second measurement information and / or the first information and / or the third information.
[0219] Alternatively, the terminal side receives a reconfiguration message sent by the network side, where the reconfiguration message includes candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information;
[0220] The terminal side returns a reconfiguration completion message to the network side;
[0221] The terminal side reports the second measurement information and / or the first information and / or the third information to the network side;
[0222] The terminal side receives the target cell information sent by the network side; wherein the target cell information is predicted and / or decided and / or selected by the network side from the candidate cell information based on the second measurement information and / or the first information and / or the third information.
[0223] In some embodiments, when both the terminal side and the network side are configured with the first module, the method further includes:
[0224] The terminal side reports the first measurement information to the network side;
[0225] The terminal side reports the first information to the network side;
[0226] The terminal side predicts and / or decides and / or selects candidate cell information through a first module configured on the terminal side according to the first measurement information and / or the first information;
[0227] And / or, the terminal side receives candidate cell information sent by the network side. At this time, the candidate cell information is predicted and / or decided and / or selected by the first module configured on the network side based on the first measurement information and / or the first information.
[0228] It can be understood that when the first module is configured on both the terminal side and the network side, when the process of predicting and / or deciding and / or selecting the target cell information from the candidate cell information is performed on the terminal side, the terminal side can use the first module to predict, and / or decide, and / or select the target cell information from the candidate cell information based on the second measurement information and / or third information and / or the first information obtained by re-measurement; when the process of predicting and / or deciding and / or selecting the target cell information from the candidate cell information is performed on the network side, the network side can use the first module to predict, and / or decide, and / or select the target cell information from the candidate cell information based on the second measurement information and / or third information and / or the first information reported again by the terminal side.
[0229] When the terminal is in the RRC connection state and meets the measurement activation conditions, the first measurement information is triggered to be reported, and the first measurement information is reported to the network side through the measurement report. It can be understood that in the embodiment of the present disclosure, the expressions of source cell, candidate cell, and target cell are uniformly used to represent the corresponding service cell and its base station gNB or network equipment. The source cell / neighboring cell are configured with corresponding measurement trigger conditions. When the terminal meets the measurement trigger conditions of any cell and is in the RRC connection state, the RRM measurement report and / or UE auxiliary information is reported. In the embodiment of the present disclosure, the measurement activation conditions are not specifically limited. For example, it can be one or more of the following conditions: receiving the first indication information sent by the source cell to indicate the monitoring of the radio link connection quality; the service quality QoS (Quality of Service) parameter of the current service meets the threshold condition corresponding to the QoS parameter; the currently established data radio bearer (Data Radio Bearer, DRB) includes a preset type of DRB, and the signal strength of the currently measured adjacent cell exceeds the preset signal strength threshold, etc. At the same time, the terminal adds the first information used to describe the movement information of the terminal (such as movement speed, movement direction) to the network side; after receiving the first measurement information and the first information, the network side uses the AI / ML model to make a target cell inference decision, and after predicting and / or deciding and / or selecting the target cell (target cell), the target cell is indicated to the terminal through a cell switch command (Cell switch command, Cell switch command is sent in the format of MAC CE). Once the terminal receives the cell switching command sent by the network side, it detaches from the source cell (detach from source), adopts the configuration information of the target cell (apply target configurations), and completes the LTM cell switch completion through the random access procedure (RACH procedure).
[0230] For example, using Figure 1 as an example, UE1 (i.e., UE1 in Figure 1) and UE2 (i.e., UE2 in Figure 1) are both terminals originally residing in the source cell corresponding to base station 1 and are both traveling in the direction of the arrows in Figure 1. UE1's movement speed is relatively slow, for example, 8 kilometers per hour (km / h), similar to the movement speed of a user carrying a terminal on foot; UE2's movement speed is relatively fast, for example, 60 km / h, similar to the movement speed of a user carrying a terminal in a vehicle in an urban area. When UE1 and UE2 reach point A at the edge of cell 1 corresponding to base station 1, both UE1 and UE2 trigger measurement activation conditions and initiate measurement reporting. At this point, point A is closer to base station 2 than to base station 3, or because the path between point A and base station 3 is NLOS (non-light of sight propagation), the reference signal received power (RSRP) 2 measured by UE1 and UE2 from base station 2 is better than the reference signal received power (RSRP) 3 from base station 3. Existing cell handover schemes only consider reference signal received power (RSRP). If the signal quality of both RSRP2 and RSRP3 meets the handover requirements, base station 1 (BS1) corresponding to the source cell will likely decide to have UE1 and UE2 handover to BS2 first, and then to BS3 when UE1 and UE2 reach point B. This can lead to frequent cell handovers or ping-pong handovers. For example, if the distance between points A and B is approximately 100 meters, UE1 will handover to BS3 after staying at BS2 for 45 seconds (=100 meters / 8 km / h), while UE2 will handover to BS3 after staying at BS2 for 6 seconds (=100 meters / 60 km / h). To optimize the number of handovers, UE2 can handover directly from BS1 to BS3. Therefore, through the first information reported by UE1 and UE2, the source cell can obtain the movement information of UE1 and UE2, allowing BS1 to make the more optimal choice of handover UE2 directly from BS1 to BS3. In the embodiment of the present disclosure, combined with the movement information of the terminal, such as movement rate, movement direction, etc., the mobility enhancement AI / ML model predicts and / or decides and / or selects the target cell for switching to achieve cell switching, fully considering the individual differences of the terminals, and achieving better mobility enhancement based on the terminal movement conditions assisted by AI, avoiding the phenomenon of frequent cell switching or ping-pong switching.
[0231] In some embodiments, the first information may be reported via UE assistance information.
[0232] Exemplarily, the terminal side may report the first information, such as the motion information of the terminal (also called MotionInformation), to the network side through UE assistance information (also called UEAssistanceInformation).
[0233] The process of reporting the first information through UE auxiliary information is shown in Figure 3. The network side sends a reconfiguration message (RRC Reconfiguration) to the terminal side; after receiving the reconfiguration message, the terminal side reports the terminal's motion information (MotionInformation) to the network side (Network) through UE auxiliary information (UEAssistanceInformation).
[0234] In some embodiments, the first information may be reported via a measurement report.
[0235] Exemplarily, the terminal side may report the first information to the network side through a measurement report.
[0236] The process of reporting the first information through the measurement report is shown in Figure 4. When the terminal side is in the RRC connection state (also known as RRC_CONNECTED), the terminal side reports the first measurement information (e.g., RSRP, RSRQ, SINR) and the first information (e.g., MotionInformation) to the network side through a measurement report (Measurement report), so that the network side performs LTM candidate preparation after receiving the first measurement information and the first information reported by the terminal side.
[0237] Among them, the first module is trained based on past first measurement information, past second measurement information, at least one of past first information, and feedback data obtained after past cell switching; the feedback data includes: load information of the source cell, load information of the adjacent cell, switching failure information, radio frequency link failure information, and at least one of the number of switching times.
[0238] As an example, the LTM preparation involved in cell switching is explained by taking the reporting of the first information through a measurement report as an example. As shown in Figure 4, when the terminal is in the RRC connected state, the terminal reports the currently measured RSRP, RSRQ, SINR and the motion information (MotionInformation) of the terminal to the network device through a measurement report (Measurement report), so that the network device performs LTM candidate preparation (LTM candidate preparation) after receiving the measurement report. In the LTM candidate preparation, the candidate cell is predicted and inferred through the AI / ML model; then the network side sends a reconfiguration message (RRC Reconfiguration) carrying the configuration information (LTM candidate cell configuration) of the LTM candidate cell to the terminal side; after receiving the reconfiguration message, the terminal side stores the configuration information of the LTM candidate cell, and then sends a reconfiguration completion message (RRC Reconfiguration complete) to the network side to complete the LTM preparation (LTM preparation).
[0239] Subsequently, the network side makes an LTM decision based on the second measurement information reported by the terminal side (for example, the L1 measurement report, also called the L1 measurement report): specifically, the network side selects the target cell from the LTM candidate cells previously configured for the terminal based on the L1 measurement report reported by the terminal side, and indicates the target cell to the terminal through a cell switching command; once the terminal receives the cell switching command issued by the network device, it leaves the source cell and adopts the configuration information of the target cell, and then completes the LTM cell switching through the random access process.
[0240] In some embodiments, as shown in FIG5 , the process of predicting and inferring candidate cells / target cells using the mobility-enhanced AI / ML model includes:
[0241] Terminal data collection phase: The system collects first information from the terminal, measurement information (including the first measurement information and / or the second measurement information) and feedback data (Feedback) obtained from past cell switching executions by the execution entity (Actor). This data serves as input data (Input data) for model training (Model training) and model inference (Model inference) of the AI / ML model. Through the training and inference of the AI / ML model, candidate cells / target cells for terminal switching can be predicted.
[0242] Model Training: This phase is responsible for training, testing, and validating AI / ML models, generating metrics for model performance. The trained, tested, and validated mobility-enhanced AI / ML models are then deployed / updated (Model Deployment / Update) to Model Inference.
[0243] The training data used for model training includes one or more of the following:
[0244] 1. UE Data Collection from the terminal, including: RSRP, RSRP, SINR of the serving cell and / or neighboring cells measured by the terminal in the past and / or the terminal's motion information (MotionInformation);
[0245] 2. The cell load conditions (Cell Load) from the serving cell and / or neighboring cells can be obtained from feedback data (Feedback) obtained after past cell handovers.
[0246] Model deployment and update phase: Model inference is used to perform cell handover decision calculations, provide inference output of the mobility enhancement AI / ML model (for example, predict candidate cells or target cells for terminal handover), and send model performance feedback (Model Performance Feedback) to Model Training for Model Training to train and optimize the mobility enhancement AI / ML model.
[0247] After receiving the inference output of Model Inference, the execution entity (Actor, which can be a terminal connected to the source cell and its adjacent cells) initiates corresponding actions (such as cell switching) and feeds back the results to the Data Collection through Feedback as Training Data for Model Training.
[0248] The feedback data (Feedback) includes one or more of the following:
[0249] 1. Switch failure information;
[0250] 2. Radio frequency link failure information;
[0251] 3. Number of switching times;
[0252] 4. Cell load status: It should be understood that the cell load status can be reported through the input data (Input Data) sent by the Actor to Model Training, and / or through the feedback data (Feedback) sent by the Actor to Data Collection.
[0253] It should be understood that the above-mentioned terminal data collection phase and model training phase can be executed on the terminal side, network side or cloud side, and the AI / ML model updated in real time can be synchronously deployed to the terminal side and / or network side to obtain the corresponding first module to complete the prediction and / or decision of the corresponding candidate cell information or target cell information.
[0254] In the embodiment of the present disclosure, in combination with the movement information of the terminal, the target cell for switching is predicted and / or decided and / or selected through the mobility enhancement AI / ML model, which fully considers the individual differences of the terminals and achieves better mobility enhancement based on the terminal movement conditions assisted by AI, thereby avoiding the phenomenon of frequent cell switching or ping-pong switching.
[0255] Example 2
[0256] Please refer to Figure 6, which is a flow chart of a cell switching method provided by an embodiment of the present disclosure. The cell switching method, applied to the terminal side, specifically includes:
[0257] S21: Acquire second information, where the second information is used to infer motion information of the terminal, where the motion information includes a motion rate and / or a motion direction;
[0258] S22: Obtain target cell information;
[0259] S23: Receive a cell switching command.
[0260] The cell handover command is used to instruct the terminal to switch from the source cell to the target cell. The target cell information is determined and / or selected by the first module based on the second information and / or motion information inferred from the second information; the first module includes an artificial intelligence (AI) model and / or a machine learning (ML) model.
[0261] In some embodiments, the second information may be reported via a measurement report.
[0262] In some embodiments, the second information may be reported via UE assistance information.
[0263] Furthermore, the second information includes a set of measurement information obtained according to a preset time template.
[0264] The measurement information includes at least one of a reference signal received power, a reference signal received quality, and a signal to interference plus noise ratio.
[0265] For example, when the terminal is in an RRC connected state and meets the measurement activation condition, the second information is triggered to be reported. For example, the second information includes RSRPm-n, RSRQm-n, and SINRm-n. Among them, RSRPm-n represents the RSRP value of base station m at time n, RSRQm-n represents the RSRQ value of base station m at time n, and SINRm-n represents the SINR value of base station m at time n. The measurement activation condition can be found in the above-mentioned embodiment 1 and will not be repeated here.
[0266] Taking the network architecture shown in Figure 1 as an example, for base station 1, the time template and base station location are both known. Based on the measurement information such as RSRP1-1, RSRQ1-1, SINR1-1, RSRP1-2, RSRQ1-2, SINR1-2, ..., RSRP1-n, RSRQ1-n, SINR1-n, RSRP2-1, RSRQ2-1, SINR2-1, RSRP2-2, RSRQ2-2, SINR2-2, ..., RSRP2-n, RSRQ2-n, SINR2-n and RSRP3-1, RSRQ3-1, SINR3-1, RSRP3-2, RSRQ3-2, SINR3-2, ..., RSRP3-n, RSRQ3-n, SINR3-n reported by terminal UE1, the base station can infer the motion information of the terminal.
[0267] As shown in Figure 7, when predicting the motion information of a terminal based on RSRP, concentric circles of the RSRPs of different base stations at different times can be drawn. Based on the intersection of the circles of the RSRPs of the base stations at a certain moment, the approximate location of the terminal at that moment can be determined. Specific examples are as follows:
[0268] When it is known that RSRP1-1 of terminal UE1 at the first moment is -110dBm, RSRP2-1 is -90dBm, and RSRP3-1 is -100dBm, it can be roughly inferred that UE1 is near position A;
[0269] When it is known that RSRP1-2 of UE1 at the second moment is -130dBm (values not higher than -130dBm are all recorded as -130dBm), RSRP2-2 is -100dBm, and RSRP3-2 is -70dBm, it can be roughly inferred that UE1 is located near position B or position B';
[0270] At this time, base station 4 can be added to further determine whether UE1 is located near position B, and / or based on existing prior information, such as the direction of movement of UE1 - the UE will move forward in the direction of the arrow (for example: the trajectory shown by the arrow is the road trajectory), it can be determined that UE1 is located near position B.
[0271] For base station 1, position A and position B can be inferred through the above steps, and then the distance D between position A and position B is known, and the first moment (T1) and the second moment (T2) are known, then the movement rate v = D / (T2-T1) of UE1 can be inferred, and the movement direction of UE1 is from position A to position B.
[0272] It should be noted that the principle of predicting the motion information of the terminal based on RSRQ and SINR is the same as the principle of predicting the motion information of the terminal based on RSRP, and will not be repeated here. By using two or more of RSRP, RSRQ, and SINR to predict the motion information of the terminal, the accuracy of the motion information prediction can be effectively improved. It should be understood that the above-mentioned motion information inference process can be performed by an AI / ML model or by a processor independent of the AI / ML model, and is not specifically limited here.
[0273] Similarly, the first module can be configured on the terminal side and / or the network side, so as to predict and / or decide and / or select the target cell information based on the first measurement information and / or the first information through the first module, or predict and / or decide and / or select the candidate cell information based on the first measurement information and / or the first information through the first module, and then predict and / or decide and / or select the target cell information from the candidate cell information.
[0274] The following describes an embodiment of the present disclosure involving prediction and / or decision-making and / or selection of target cell information based on the first module.
[0275] In some embodiments, when the first module is configured on the terminal side, the method includes:
[0276] The terminal side reports the target cell information to the network side; wherein, the target cell information is predicted and / or decided and / or selected by the first module based on the second information and / or the motion information inferred from the second information, and is used to instruct the network side to trigger the cell switching command.
[0277] Alternatively, the terminal side reports candidate cell information to the network side; wherein the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information;
[0278] The terminal side reports the first measurement information to the network side;
[0279] Receive the target cell information; wherein, the target cell information is decided and / or selected by the network side from the candidate cell information according to the first measurement information.
[0280] In some embodiments, when the first module is configured on the network side, the method includes:
[0281] The terminal side reports the second information to the network side.
[0282] The terminal side receives the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information.
[0283] Alternatively, the terminal side receives a reconfiguration message, where the reconfiguration message includes candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information;
[0284] The terminal side sends a reconfiguration completion message;
[0285] The terminal side decides and / or selects the target cell information from the candidate cell information based on the first measurement information.
[0286] Alternatively, the terminal side receives a reconfiguration message, where the reconfiguration message includes candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information;
[0287] The terminal side sends a reconfiguration completion message;
[0288] The terminal side reports the first measurement information to the network side;
[0289] The terminal side receives the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the network side from the candidate cell information according to the first measurement information.
[0290] The reconfiguration completion message is triggered after the terminal stores the candidate cell information.
[0291] When both the terminal side and the network side are configured with the first module, the method further includes:
[0292] The terminal side reports the second information to the network side;
[0293] The terminal side predicts and / or decides and / or selects candidate cell information through a first module configured on the terminal side according to the second information and / or the motion information inferred from the second information;
[0294] And / or, the terminal side receives candidate cell information, which is predicted and / or decided and / or selected by the first module configured on the network side based on the second information and / or motion information inferred from the second information.
[0295] It should be understood that the first measurement information includes at least one of reference signal received power, reference signal received quality, and signal to interference plus noise ratio. However, the first measurement information and the set of measurement information in the second information may be measured and reported at different times. Therefore, the specific values of the reference signal received power and / or reference signal received quality and / or signal to interference plus noise ratio in the set of measurement information in the first measurement information and the second information may be different.
[0296] Among them, the first module is trained based on at least one of the past first measurement information and the past second information and feedback data obtained after the past cell switching; the feedback data includes: at least one of the load information of the source cell, the load information of the adjacent cell, the switching failure information, the radio frequency link failure information, and the number of switching times.
[0297] For example, as shown in Figure 8, when the terminal is in the RRC connected state, the terminal side reports the RSRPm-n, RSRQm-n, and SINRm-n collected according to the time template to the network side through a measurement report (Measurement report), so that the network side performs LTM candidate preparation after receiving the measurement report, wherein, in the LTM candidate preparation, motion information is predicted by the AI / ML model and candidate cells are predicted based on the predicted motion information and / or RSRPm-n, RSRQm-n, and SINRm-n collected according to the time template; then the network side sends a reconfiguration message (RRC Reconfiguration) carrying the configuration information of the LTM candidate cell (LTM candidate cell configuration) to the terminal; after receiving the reconfiguration message, the terminal stores the configuration information of the LTM candidate cell, and then sends a reconfiguration completion message (RRC Reconfiguration complete) to the network side to complete the LTM preparation.
[0298] Subsequently, the network side makes an LTM decision based on the first measurement information reported by the terminal side (for example, the L1 measurement report, also called the L1 measurement report): specifically, the network side selects the target cell from the LTM candidate cells previously configured for the terminal based on the L1 measurement report reported by the terminal side, and indicates the target cell to the terminal through a cell switch command; once the terminal receives the cell switch command issued by the network device, it detaches from the source cell (detach from source), adopts the configuration information of the target cell (apply target configurations), and then completes the LTM cell switch completion through the random access procedure (RACH procedure).
[0299] In some embodiments, as shown in FIG5 , the process of predicting and inferring candidate cells / target cells using the mobility-enhanced AI / ML model includes:
[0300] Terminal data collection phase: Collect at least one of the following information: the first measurement information, the second information, and the motion information (MotionInformation) inferred from the second information from the terminal, as well as feedback data (Feedback) obtained from the execution entity (Actor) after past cell switching. This data serves as input data (Input data) for model training (Model training) and model inference (Model inference) of the AI / ML model. Through the training and inference of the AI / ML model, candidate cells / target cells for terminal switching can be predicted.
[0301] Model Training: This phase is responsible for training, testing, and validating AI / ML models, generating metrics for model performance. The trained, tested, and validated mobility-enhanced AI / ML models are then deployed / updated (Model Deployment / Update) to Model Inference.
[0302] The training data used for model training includes one or more of the following:
[0303] 1. UE Data Collection from the terminal, including: RSRPm-n, RSRQm-n, SINRm-n of the serving cell and / or neighboring cell measured by the terminal in the past and / or motion information of the terminal (MotionInformation), and / or first measurement information;
[0304] 2. The cell load conditions (Cell Load) from the serving cell and / or neighboring cells can be obtained from feedback data (Feedback) obtained after past cell handovers.
[0305] Model deployment and update phase: Model inference is used to perform cell handover decision calculations, provide inference output of the mobility enhancement AI / ML model (for example, predict candidate cells or target cells for terminal handover), and send model performance feedback (Model Performance Feedback) to Model Training for Model Training to train and optimize the mobility enhancement AI / ML model.
[0306] After receiving the inference output of Model Inference, the execution entity (Actor, which can be a terminal connected to the source cell and its adjacent cells) initiates corresponding actions (such as cell switching) and feeds back the results to the Data Collection through Feedback as Training Data for Model Training.
[0307] The feedback data (Feedback) includes one or more of the following:
[0308] 1. Switch failure information;
[0309] 2. Radio frequency link failure information;
[0310] 3. Number of switching times;
[0311] 4. Cell load status: It should be understood that the cell load status can be reported through the input data (Input Data) sent by the Actor to Model Training, and / or through the feedback data (Feedback) sent by the Actor to Data Collection.
[0312] It should be understood that the above-mentioned terminal data collection phase and model training phase can be executed on the terminal side, network side or cloud side, and the AI / ML model updated in real time can be synchronously deployed to the terminal side and / or network side to obtain the corresponding first module to complete the prediction and / or decision of the corresponding candidate cell information or target cell information.
[0313] In an embodiment of the present disclosure, motion information of the terminal, such as motion rate, motion direction, etc., is predicted by obtaining a set of measurement information according to a set time template. Then, the predicted motion information and the measurement report are combined to predict and / or decide and / or select the target cell for switching through the mobility enhancement AI / ML model to achieve cell switching. This fully considers the individual differences of the terminals and achieves better mobility enhancement based on the AI-assisted terminal motion situation, thereby avoiding the phenomenon of frequent cell switching or ping-pong switching.
[0314] Example 3
[0315] Please refer to Figure 9, which is a flow chart of a cell switching method provided by an embodiment of the present disclosure. The cell switching method, applied to the network side, specifically includes:
[0316] S31: issuing a cell switching command; wherein, the cell switching command is used to instruct the terminal to switch from the source cell to the target cell; the target cell information corresponding to the target cell is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information; the first module includes an artificial intelligence AI model and / or a machine learning ML model; the first information is used to describe the motion information of the terminal.
[0317] It should be noted that the first module can be configured on the terminal side and / or the network side, so that the first module predicts and / or decides and / or selects the target cell information based on the first measurement information and / or the first information, or the first module predicts and / or decides and / or selects the candidate cell information based on the first measurement information and / or the first information, and then predicts and / or decides and / or selects the target cell information from the candidate cell information.
[0318] In some embodiments, when the first module is configured on the terminal side, the sending of the cell switching command to the terminal side includes:
[0319] Receiving the target cell information reported by the terminal side; wherein the target cell information is predicted and / or decided and / or selected by the first module based on the measured first measurement information and / or the first information;
[0320] The cell handover command is triggered in response to the target cell information.
[0321] Alternatively, receiving candidate cell information reported by the terminal side; wherein the candidate cell information is decided and / or selected by the first module based on the measured first measurement information and / or the first information;
[0322] receiving the second measurement information and / or the first information and / or the third information reported by the terminal side;
[0323] Send the target cell information; wherein, the target cell information is decided and / or selected by the network side from the candidate cell information based on the second measurement information and / or the first information and / or the third information.
[0324] When the first module is configured on the network side, the method further includes:
[0325] receiving the first measurement information;
[0326] The first information is received.
[0327] Send the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the first module according to the first measurement information and / or the first information.
[0328] Alternatively, a reconfiguration message is sent, the reconfiguration message including candidate cell information; the candidate cell is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information; the target cell information is decided and / or selected by the terminal side from the candidate cell information based on the first measurement information and / or the first information.
[0329] Alternatively, a reconfiguration message is sent, where the reconfiguration message includes candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information;
[0330] Receive a reconfiguration completion message;
[0331] receiving second measurement information and / or the first information and / or third information;
[0332] Send the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the network side from the candidate cells based on the second measurement information and / or the first information and / or the third information.
[0333] When both the terminal side and the network side are configured with the first module, the method further includes:
[0334] receiving first measurement information and the first information;
[0335] Predicting and / or deciding and / or selecting candidate cell information through a first module configured on the network side according to the first measurement information and / or the first information;
[0336] And / or, receiving candidate cell information, where the candidate cell information is predicted and / or decided and / or selected by a first module configured on the terminal side based on the first measurement information and / or the first information.
[0337] In some embodiments, the first information is reported via UE assistance information.
[0338] In some embodiments, the first information is reported via a measurement report.
[0339] In some embodiments, the first information includes a movement speed and / or a movement direction of the terminal.
[0340] In some embodiments, the first information includes a motion enhancement indicator of the terminal.
[0341] In some embodiments, when the movement rate of the terminal exceeds a preset rate threshold, reporting of the first information is triggered.
[0342] In some embodiments, the motion enhancement identifier in the first information is an enumeration type, and the enumeration value indicates the motion rate of the terminal or the difference between the motion rate of the terminal and the rate threshold, and / or, the enumeration value indicates the motion direction of the terminal and / or the difference between the motion direction of the terminal and a preset motion direction.
[0343] In some embodiments, the first module is trained based on at least one of the past first measurement information, the past second measurement information, the past first information, and feedback data obtained after a past cell switching; the feedback data includes: at least one of the load information of the source cell, the load information of the adjacent cell, the switching failure information, the radio frequency link failure information, and the number of switching times.
[0344] In some embodiments, the reconfiguration completion message is triggered after the terminal stores the candidate cell information.
[0345] It should be noted that the working process of the cell switching method described in the embodiment of the present disclosure can refer to the working process of the cell switching method described in the above embodiment 1, and the technical effect achieved is the same as the cell switching method described in the above embodiment 1, which will not be repeated here.
[0346] Example 4
[0347] Please refer to Figure 10, which is a flow chart of a cell handover method provided by an embodiment of the present disclosure. The cell handover method is applied to the network side and specifically includes:
[0348] S41: issuing a cell switching command; wherein, the cell switching command is used to instruct the terminal to switch from the source cell to the target cell; the target cell information corresponding to the target cell is decided and / or selected by the first module based on the second information and / or the motion information inferred from the second information; the first module includes an artificial intelligence AI model and / or a machine learning ML model; the second information is used to infer the motion information of the terminal, and the motion information includes motion rate and / or motion direction.
[0349] It should be noted that the first module can be configured on the terminal side and / or the network side, so that the first module predicts and / or decides and / or selects the target cell information based on the first measurement information and / or the first information, or the first module predicts and / or decides and / or selects the candidate cell information based on the first measurement information and / or the first information, and then predicts and / or decides and / or selects the target cell information from the candidate cell information.
[0350] In some embodiments, when the first module is configured on the terminal side, the method further includes:
[0351] Receive the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the first module based on the second information and / or the motion information inferred from the second information, and is used to instruct the network side to trigger the cell switching command.
[0352] Alternatively, receiving candidate cell information; wherein the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information;
[0353] receiving first measurement information;
[0354] Send the target cell information; wherein the target cell information is decided and / or selected by the network side from the candidate cell information based on the first measurement information.
[0355] In some embodiments, when the first module is configured on the network side, the method further includes:
[0356] The second information is received.
[0357] Send the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information.
[0358] Alternatively, a reconfiguration message is sent, where the reconfiguration message includes candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information;
[0359] Receive the target cell information; wherein the target cell information is decided and / or selected by the terminal side from the candidate cell information according to the first measurement information.
[0360] Alternatively, a reconfiguration message is sent, where the reconfiguration message includes candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information;
[0361] Receive a reconfiguration completion message;
[0362] Receive first measurement information, and predict and / or decide and / or select the target cell information from the candidate cell information based on the first measurement information.
[0363] When both the terminal side and the network side are configured with the first module, the method further includes:
[0364] receiving the second information;
[0365] Predicting and / or deciding and / or selecting candidate cell information through a first module configured on the network side based on the second information and / or motion information inferred from the second information;
[0366] And / or, receiving candidate cell information, where the candidate cell information is predicted and / or decided and / or selected by a first module configured on the terminal side based on the second information and / or motion information inferred from the second information.
[0367] In some embodiments, the second information is reported via a measurement report.
[0368] In some embodiments, the second information is reported via UE assistance information.
[0369] In some embodiments, the second information includes a set of measurement information obtained according to a preset time template.
[0370] In some embodiments, the measurement information includes at least one of a reference signal received power, a reference signal received quality, and a signal to interference plus noise ratio.
[0371] In some embodiments, the first module is trained based on at least one of past first measurement information, past second information, and feedback data obtained after past cell switching; the feedback data includes: at least one of the load information of the source cell, the load information of the adjacent cell, switching failure information, radio frequency link failure information, and the number of switching times.
[0372] In some embodiments, the reconfiguration completion message is triggered after the terminal stores the candidate cell information.
[0373] It should be noted that the working process of the cell switching method described in the embodiment of the present disclosure can refer to the working process of the cell switching method described in the above embodiment 2, and the technical effect achieved is the same as the cell switching method described in the above embodiment 2, which will not be repeated here.
[0374] Example 5
[0375] Please refer to FIG11 , which is a structural block diagram of a cell switching device provided by an embodiment of the present disclosure. The cell switching device is applied to a terminal side and includes:
[0376] A first information acquisition module 11 is configured to acquire first information, where the first information is used to describe motion information of the terminal;
[0377] The target cell acquisition module 12 is used to obtain target cell information;
[0378] The handover command receiving module 13 is configured to receive a cell handover command.
[0379] The cell handover command is used to instruct the terminal to hand over from the source cell to the target cell. The target cell information is predicted and / or decided and / or selected by a first module based on first measurement information and / or the first information; the first module includes an artificial intelligence (AI) model and / or a machine learning (ML) model.
[0380] In some embodiments, the apparatus is configured with the first module, and the target cell acquisition module includes:
[0381] A first information reporting unit is used to report the target cell information to the network side; wherein, the target cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information, and is used to instruct the network side to trigger the cell switching command.
[0382] In some embodiments, the apparatus is configured with the first module, and the target cell acquisition module includes:
[0383] A second information reporting unit is configured to report candidate cell information to the network side; wherein the candidate cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information;
[0384] A third information reporting unit, configured to report the second measurement information and / or the first information and / or the third information to the network side;
[0385] The first information receiving unit is configured to receive the target cell information; wherein the target cell information is decided and / or selected by the network side from the candidate cell information based on the second measurement information and / or the first information and / or the third information.
[0386] In some embodiments, when the first module is configured on the network side, the target cell acquisition module includes:
[0387] A fourth information reporting unit is configured to report the first measurement information and the first information to the network side.
[0388] In some embodiments, when the first module is configured on the network side, the target cell acquisition module includes:
[0389] The second information receiving unit is configured to receive the target cell information; wherein the target cell information is predicted and / or decided and / or selected by the first module according to the first measurement information and / or the first information.
[0390] In some embodiments, when the first module is configured on the network side, the target cell acquisition module includes:
[0391] a first configuration message receiving unit, configured to receive a reconfiguration message, where the reconfiguration message includes candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information;
[0392] A first configuration completion message sending unit, configured to send a reconfiguration completion message;
[0393] The target cell information determining unit is configured to decide and / or select the target cell information from the candidate cell information based on the second measurement information and / or the first information and / or the third information.
[0394] In some embodiments, when the first module is configured on the network side, the target cell acquisition module includes:
[0395] a second configuration message receiving unit, configured to receive a reconfiguration message, where the reconfiguration message includes candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information;
[0396] A second configuration completion message sending unit, configured to send a reconfiguration completion message;
[0397] a fifth information reporting unit, configured to report the second measurement information and / or the first information and / or the third information to the network side;
[0398] A target cell information receiving unit is used to receive the target cell information; wherein the target cell information is predicted and / or decided and / or selected by the network side from the candidate cell information based on the second measurement information and / or the first information and / or the third information.
[0399] In some embodiments, when both the terminal side and the network side are configured with the first module, the target cell acquisition module includes:
[0400] a sixth information reporting unit, configured to report the first measurement information and the first information to the network side;
[0401] a candidate cell information determining unit, configured to predict and / or decide and / or select candidate cell information through a first module configured on the terminal side based on the first measurement information and / or the first information;
[0402] And / or, receiving candidate cell information, where the candidate cell information is predicted and / or decided and / or selected by a first module configured on the network side based on the first measurement information and / or the first information.
[0403] In some embodiments, the first information is reported via UE assistance information.
[0404] In some embodiments, the first information is reported via a measurement report.
[0405] In some embodiments, the first information includes a movement speed and / or a movement direction of the terminal.
[0406] In some embodiments, the first information includes a motion enhancement identifier of the terminal; wherein, when the motion rate of the terminal exceeds a preset rate threshold, the first information is triggered to be reported, and the motion enhancement identifier in the first information is an enumeration type, and the enumeration value indicates the motion rate of the terminal or the difference between the motion rate of the terminal and the rate threshold, and / or, the enumeration value indicates the motion direction of the terminal and / or the difference between the motion direction of the terminal and the preset motion direction.
[0407] In some embodiments, the first module is trained based on at least one of past first measurement information, past second measurement information, and past first information, and feedback data obtained after past cell switching; the feedback data includes: at least one of the load information of the source cell, the load information of the adjacent cell, switching failure information, radio frequency link failure information, and the number of switching times.
[0408] In some embodiments, the reconfiguration completion message is triggered after the terminal stores the candidate cell information.
[0409] It should be noted that the working process of each module in the cell switching device described in the embodiment of the present disclosure can refer to the working process of the cell switching method described in the above embodiment 1, and the technical effect achieved is the same as the cell switching method described in the above embodiment 1, which will not be repeated here.
[0410] Example 6
[0411] Please refer to FIG12 , which is a structural block diagram of a cell switching device provided by an embodiment of the present disclosure. The cell switching device is applied to a terminal side and includes:
[0412] A first information acquisition module 21 is configured to acquire second information, where the second information is used to infer motion information of the terminal, where the motion information includes motion speed and / or motion direction;
[0413] The target cell acquisition module 22 is used to obtain target cell information;
[0414] The handover command receiving module 23 is configured to receive a cell handover command.
[0415] The cell handover command is used to instruct the terminal to switch from the source cell to the target cell. The target cell information is determined and / or selected by the first module based on the second information and / or motion information inferred from the second information; the first module includes an artificial intelligence (AI) model and / or a machine learning (ML) model.
[0416] In some embodiments, when the first module is configured on the terminal side, the target cell acquisition module includes:
[0417] A first information reporting unit is used to report the target cell information to the network side; wherein, the target cell information is predicted and / or decided and / or selected by the first module based on the second information and / or the motion information inferred from the second information, and is used to instruct the network side to trigger the cell switching command.
[0418] In some embodiments, when the first module is configured on the terminal side, the target cell acquisition module includes:
[0419] A second information reporting unit is configured to report candidate cell information to the network side; wherein the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information;
[0420] A third information reporting unit, configured to report the first measurement information to the network side;
[0421] The first information receiving unit is configured to receive the target cell information; wherein the target cell information is decided and / or selected by the network side from the candidate cell information according to the first measurement information.
[0422] In some embodiments, when the first module is configured on the network side, the target cell acquisition module includes:
[0423] The fourth information reporting unit is used to report the second information to the network side.
[0424] In some embodiments, when the first module is configured on the network side, the target cell acquisition module includes:
[0425] The second information receiving unit is used to receive the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information.
[0426] In some embodiments, when the first module is configured on the network side, the target cell acquisition module includes:
[0427] a first configuration message receiving unit, configured to receive a reconfiguration message, the reconfiguration message including candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information;
[0428] A first configuration completion message sending unit, configured to send a reconfiguration completion message;
[0429] The first target cell information determining unit is configured to decide and / or select the target cell information from the candidate cell information according to the first measurement information.
[0430] In some embodiments, when the first module is configured on the network side, the target cell acquisition module includes:
[0431] a second configuration message receiving unit, configured to receive a reconfiguration message, the reconfiguration message including candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information;
[0432] A second configuration completion message sending unit, configured to send a reconfiguration completion message;
[0433] a fifth information reporting unit, configured to report the first measurement information to the network side;
[0434] The target cell information receiving unit is configured to receive the target cell information; wherein the target cell information is predicted and / or decided and / or selected by the network side from the candidate cell information based on the first measurement information.
[0435] In some embodiments, when both the terminal side and the network side are configured with the first module, the target cell acquisition module includes:
[0436] a sixth information reporting unit, configured to report the second information to the network side;
[0437] a candidate cell information determining unit, configured to predict and / or decide and / or select candidate cell information through a first module configured on the terminal side based on the second information and / or motion information inferred from the second information;
[0438] And / or, receiving candidate cell information, where the candidate cell information is predicted and / or decided and / or selected by a first module configured on the network side based on the second information and / or motion information inferred from the second information.
[0439] In some embodiments, the second information is reported via a measurement report.
[0440] In some embodiments, the second information is reported via UE assistance information.
[0441] In some embodiments, the second information includes a set of measurement information obtained according to a preset time template.
[0442] In some embodiments, the measurement information includes at least one of a reference signal received power, a reference signal received quality, and a signal to interference plus noise ratio.
[0443] In some embodiments, the first module is trained based on past second information, at least one of the past second information, and feedback data obtained after past cell switching; the feedback data includes: load information of the source cell, load information of the adjacent cell, switching failure information, radio frequency link failure information, and at least one of the number of switching times.
[0444] In some embodiments, the reconfiguration completion message is triggered after the terminal stores the candidate cell information.
[0445] It should be noted that the working process of each module in the cell switching device described in the embodiment of the present disclosure can refer to the working process of the cell switching method described in the above embodiment 2, and the technical effect achieved is the same as the cell switching method described in the above embodiment 2, which will not be repeated here.
[0446] Example 7
[0447] The present disclosure provides a structural block diagram of a cell switching device, which is applied to a network side and includes:
[0448] A switching command issuing module is used to issue a cell switching command; wherein the cell switching command is used to instruct the terminal to switch from a source cell to a target cell; the target cell information corresponding to the target cell is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information; the first module includes an artificial intelligence AI model and / or a machine learning ML model; the first information is used to describe the motion information of the terminal.
[0449] In some embodiments, when the first module is configured on the terminal side, the apparatus further includes:
[0450] a first information receiving module, configured to receive the target cell information reported by the terminal side; wherein the target cell information is predicted and / or decided and / or selected by the first module based on the measured first measurement information and / or the first information;
[0451] A handover command triggering module, configured to trigger the cell handover command in response to the target cell information
[0452] In some embodiments, when the first module is configured on the terminal side, the apparatus further includes:
[0453] A second information receiving module is configured to receive candidate cell information reported by the terminal side; wherein the candidate cell information is predicted and / or decided and / or selected by the first module based on the measured first measurement information and / or the first information;
[0454] a third information receiving module, configured to receive the second measurement information and / or the first information and / or the third information;
[0455] The first information sending module is used to send the target cell information; wherein the target cell information is decided and / or selected by the network side from the candidate cell information based on the second measurement information and / or the first information and / or the third information.
[0456] In some embodiments, when the first module is configured on the network side, the apparatus includes:
[0457] The fourth information receiving module is configured to receive the first measurement information and the first information.
[0458] At this time, the device further includes:
[0459] The second information sending module is used to send the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the first module according to the first measurement information and / or the first information.
[0460] Alternatively, a third information sending module is configured to send a reconfiguration message, where the reconfiguration message includes candidate cell information; the candidate cell is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information; the target cell information is decided and / or selected by the terminal side from the candidate cell information based on the first measurement information and / or the first information and / or the third information;
[0461] Alternatively, a fourth information sending module is configured to send a reconfiguration message, where the reconfiguration message includes candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information;
[0462] A configuration completion information sending module is used to receive a reconfiguration completion message;
[0463] a sixth information receiving module, configured to receive second measurement information and / or the first information and / or the third information;
[0464] The fifth information sending module is used to send the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the network side from the candidate cells based on the second measurement information and / or the first information and / or the third information.
[0465] In some embodiments, when both the terminal side and the network side are configured with the first module, the apparatus includes:
[0466] a seventh information receiving module, configured to receive first measurement information and the first information;
[0467] a candidate cell information determination module, configured to predict and / or decide and / or select candidate cell information through a first module configured on the network side based on the first measurement information and / or the first information;
[0468] And / or, receiving candidate cell information, where the candidate cell information is predicted and / or decided and / or selected by a first module configured on the terminal side based on the first measurement information and / or the first information.
[0469] In some embodiments, the first information is reported via UE assistance information.
[0470] In some embodiments, the first information is reported via a measurement report.
[0471] In some embodiments, the first information includes a movement speed and / or a movement direction of the terminal.
[0472] In some embodiments, the first information includes a motion enhancement indicator of the terminal.
[0473] In some embodiments, when the movement rate of the terminal exceeds a preset rate threshold, reporting of the first information is triggered.
[0474] In some embodiments, the motion enhancement identifier in the first information is an enumeration type, and the enumeration value indicates the motion rate of the terminal or the difference between the motion rate of the terminal and the rate threshold, and / or, the enumeration value indicates the motion direction of the terminal and / or the difference between the motion direction of the terminal and a preset motion direction.
[0475] In some embodiments, the first module is trained based on at least one of past first measurement information, past second measurement information, and past first information, and feedback data obtained after past cell switching; the feedback data includes: at least one of the load information of the source cell, the load information of the adjacent cell, switching failure information, radio frequency link failure information, and the number of switching times.
[0476] In some embodiments, the reconfiguration completion message is triggered after the terminal stores the candidate cell information.
[0477] It should be noted that the working process of each module in the cell switching device described in the embodiment of the present disclosure can refer to the working process of the cell switching method described in the above embodiment three, and the technical effect achieved is also the same as the cell switching method described in the above embodiment three, which will not be repeated here.
[0478] Example 8
[0479] The present disclosure provides a structural block diagram of a cell switching device, which is applied to a network side and includes:
[0480] A switching command issuing module is used to issue a cell switching command; wherein the cell switching command is used to instruct the terminal to switch from the source cell to the target cell; the target cell information corresponding to the target cell is decided and / or selected by the first module based on the second information and / or the motion information inferred from the second information; the first module includes an artificial intelligence AI model and / or a machine learning ML model; the second information is used to infer the motion information of the terminal, and the motion information includes motion rate and / or motion direction.
[0481] In some embodiments, when the first module is configured on the terminal side, the apparatus further includes:
[0482] The first information receiving module is used to receive the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the first module based on the second information and / or the motion information inferred from the second information, and is used to instruct the network side to trigger the cell switching command.
[0483] In some embodiments, when the first module is configured on the terminal side, the apparatus further includes:
[0484] A second information receiving module is configured to receive candidate cell information; wherein the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information;
[0485] A third information receiving module, configured to receive first measurement information;
[0486] The first information sending module is configured to send the target cell information; wherein the target cell information is decided and / or selected by the network side from the candidate cell information according to the first measurement information.
[0487] In some embodiments, when the first module is configured on the network side, the apparatus includes:
[0488] The fourth information receiving module is used to receive the second information.
[0489] At this time, the device further includes:
[0490] The second information sending module is used to send the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information.
[0491] Alternatively, the third information sending module is configured to send a reconfiguration message, where the reconfiguration message includes candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information;
[0492] The fifth information receiving module is configured to receive the target cell information; wherein the target cell information is decided and / or selected by the terminal side from the candidate cell information according to the first measurement information.
[0493] Alternatively, the fourth information sending module is configured to send a reconfiguration message, where the reconfiguration message includes candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information;
[0494] A configuration completion information sending module is used to receive a reconfiguration completion message;
[0495] The sixth information receiving module is configured to receive first measurement information, and predict and / or decide and / or select the target cell information from the candidate cell information based on the first measurement information.
[0496] In some embodiments, when both the terminal side and the network side are configured with the first module, the apparatus includes:
[0497] a seventh information receiving module, configured to receive the second information;
[0498] a candidate cell information determination module, configured to predict and / or decide and / or select candidate cell information through a first module configured on the network side based on the second information and / or motion information inferred from the second information;
[0499] And / or, receiving candidate cell information, where the candidate cell information is predicted and / or decided and / or selected by a first module configured on the terminal side based on the second information and / or motion information inferred from the second information.
[0500] In some embodiments, the second information is reported via a measurement report.
[0501] In some embodiments, the second information is reported via UE assistance information.
[0502] In some embodiments, the second information includes a set of measurement information obtained according to a preset time template.
[0503] In some embodiments, the measurement information includes at least one of a reference signal received power, a reference signal received quality, and a signal to interference plus noise ratio.
[0504] In some embodiments, the first module is trained based on past second information, at least one of the past second information, and feedback data obtained after past cell switching; the feedback data includes: load information of the source cell, load information of the adjacent cell, switching failure information, radio frequency link failure information, and at least one of the number of switching times.
[0505] In some embodiments, the reconfiguration completion message is triggered after the terminal stores the candidate cell information.
[0506] It should be noted that the working process of each module in the cell switching device described in the embodiment of the present disclosure can refer to the working process of the cell switching method described in the above embodiment 4, and the technical effect achieved is also the same as the cell switching method described in the above embodiment 4, which will not be repeated here.
[0507] Example 9
[0508] Referring to Figure 13, Figure 13 is a block diagram of a cell handover device provided in an embodiment of the present disclosure. The cell handover device includes a processor 210, a memory 220, and a computer program stored in the memory 220 and executable on the processor 210. When the processor 21 executes the computer program, the steps of the cell handover method described in Embodiment 1, Embodiment 2, Embodiment 3, and Embodiment 4 above are implemented, such as steps S11 to S13, steps S21 to S23, step S31, and step S41.
[0509] Exemplarily, the computer program may be divided into one or more modules / units, which are stored in the memory 220 and executed by the processor 210 to implement the present disclosure. The one or more modules / units may be a series of computer program instruction segments capable of implementing specific functions, and the instruction segments are used to describe the execution process of the computer program in the cell switching device.
[0510] The cell switching device may include, but is not limited to, a processor 210 and a memory 220. Those skilled in the art will appreciate that the schematic diagram is merely an example of a cell switching device and does not limit the cell switching device. The cell switching device may include more or fewer components than shown in the diagram, or may combine certain components or different components. For example, the cell switching device may further include input and output devices, network access devices, buses, and the like.
[0511] The processor 210 may be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field-programmable gate arrays (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general-purpose processor may be a microprocessor or any conventional processor. The processor 210 is the control center of the cell switching device, and connects various parts of the entire cell switching device using various interfaces and lines.
[0512] The memory 220 can be used to store the computer programs and / or modules. The processor 210 implements various functions of the cell switching device by running or executing the computer programs and / or modules stored in the memory 220 and calling the data stored in the memory 220. The memory 220 may mainly include a program storage area and a data storage area. The program storage area may store an operating system and at least one application required for a function (such as a sound playback function, an image playback function, etc.); the data storage area may store data generated based on the use of the mobile phone (such as audio data, a phone book, etc.). In addition, the memory 220 may include high-speed random access memory and non-volatile memory, such as a hard disk, internal memory, a plug-in hard disk, a smart media card (SMC), a secure digital (SD) card, a flash card, at least one disk storage device, a flash memory device, or other volatile solid-state storage device.
[0513] Wherein, if the module / unit integrated in the cell switching device is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the present disclosure implements all or part of the processes in the above-mentioned embodiment method, and can also be completed by instructing the relevant hardware through a computer program. The computer program can be stored in a computer-readable storage medium, and when the computer program is executed by the processor 210, it can implement the steps of the above-mentioned various method embodiments. Wherein, the computer program includes computer program code, and the computer program code can be in source code form, object code form, executable file or some intermediate form. The computer-readable medium may include: any entity or device that can carry the computer program code, recording medium, U disk, mobile hard disk, magnetic disk, optical disk, computer memory, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), electrical carrier signal, telecommunication signal and software distribution medium, etc.
[0514] It should be noted that the device embodiments described above are merely schematic, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed over multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the embodiments of the present disclosure. In addition, in the drawings of the device embodiments provided by the present disclosure, the connection relationship between the modules indicates that there is a communication connection between them, which can be specifically implemented as one or more communication buses or signal lines. A person of ordinary skill in the art can understand and implement it without paying any creative work.
[0515] The above is a preferred embodiment of the present disclosure. It should be pointed out that for ordinary technicians in this technical field, many improvements and modifications can be made without departing from the principles of the present disclosure. These improvements and modifications are also considered to be within the scope of protection of the present disclosure.
Claims
1. A cell handover method, applied to a terminal side, comprising: Obtaining first information; The first information is used to describe the motion information of the terminal; Get target cell information; Receive cell switching command.
2. The cell switching method according to claim 1, wherein: The target cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information; the first module includes an artificial intelligence AI model and / or a machine learning ML model.
3. The cell switching method according to claim 2, wherein: When the first module is on the terminal side, the method further includes: Report the target cell information to the network side; wherein, the target cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information, and is used to instruct the network side to trigger the cell switching command.
4. The cell switching method according to claim 2, wherein: When the first module is on the terminal side, obtaining target cell information includes: Reporting candidate cell information to the network side; wherein the candidate cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information; Reporting the second measurement information and / or the first information and / or the third information to the network side; Receive the target cell information; wherein, the target cell information is decided and / or selected by the network side from the candidate cell information based on the second measurement information and / or the first information and / or the third information.
5. The cell switching method according to claim 2, wherein: When the first module is on the network side, the method further includes: Reporting the first measurement information to the network side; Report the first information to the network side.
6. The cell switching method according to claim 5, wherein: The acquiring target cell information includes: Receive the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the first module according to the first measurement information and / or the first information.
7. The cell switching method according to claim 5, wherein: The acquiring target cell information includes: receiving a reconfiguration message, where the reconfiguration message includes candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information; Send reconfiguration completion message; The target cell information is decided and / or selected from the candidate cell information according to the second measurement information and / or the first information and / or the third information.
8. The cell switching method according to claim 5, wherein: The acquiring target cell information includes: receiving a reconfiguration message, where the reconfiguration message includes candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information; Send reconfiguration completion message; Reporting the second measurement information and / or the first information and / or the third information to the network side; Receive the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the network side from the candidate cell information based on the second measurement information and / or the first information and / or the third information.
9. The cell switching method according to claim 2, wherein: When both the terminal side and the network side have the first module, the method further includes: Reporting the first measurement information to the network side; Reporting the first information to the network side; Predicting and / or deciding and / or selecting candidate cell information through a first module on the terminal side according to the first measurement information and / or the first information; And / or, receiving candidate cell information, where the candidate cell information is predicted and / or decided and / or selected by the first module on the network side according to the first measurement information and / or the first information.
10. The cell handover method according to any one of claims 5 to 9, wherein: The first information is reported through UE auxiliary information.
11. The cell handover method according to any one of claims 5 to 9, wherein: The first information is reported through a measurement report.
12. The cell handover method according to any one of claims 1 to 11, wherein: The first information includes a movement speed and / or a movement direction of the terminal.
13. The cell handover method according to any one of claims 1 to 12, wherein: The first information includes a motion enhancement identifier of the terminal.
14. The cell handover method according to claim 13, wherein: The motion enhancement identifier in the first information is an enumeration type, and the enumeration value indicates the motion rate of the terminal and / or the difference between the motion rate of the terminal and the rate threshold, and / or, the enumeration value indicates the motion direction of the terminal and / or the difference between the motion direction of the terminal and the preset motion direction.
15. The cell handover method according to any one of claims 5 to 14, wherein: When the movement rate of the terminal exceeds a preset rate threshold, reporting of the first information is triggered.
16. The cell handover method according to any one of claims 2 to 15, wherein: The first module is trained based on at least one of the past first measurement information, the past second measurement information, and the past first information, and feedback data obtained after a past cell handover; The feedback data includes at least one of: load information of a source cell, load information of a neighboring cell, handover failure information, radio frequency link failure information, and the number of handovers.
17. The cell handover method according to any one of claims 1 to 16, wherein: The cell switching command is used to instruct the terminal to switch from a source cell to a target cell.
18. A cell handover method, wherein: Applied to the terminal side, including: Acquire second information, where the second information is used to infer motion information of the terminal, where the motion information includes a motion rate and / or a motion direction; Get target cell information; Receive cell switching command.
19. The cell handover method according to claim 18, wherein: The target cell information is decided and / or selected by the first module based on the second information and / or the motion information inferred from the second information; the first module includes an artificial intelligence AI model and / or a machine learning ML model.
20. The cell handover method according to claim 19, wherein: When the first module is on the terminal side, the method further includes: Report the target cell information to the network side; wherein, the target cell information is predicted and / or decided and / or selected by the first module based on the second information and / or the motion information inferred from the second information, and is used to instruct the network side to trigger the cell switching command.
21. The cell handover method according to claim 19, wherein: When the first module is on the terminal side, obtaining target cell information includes: Reporting candidate cell information to the network side; wherein the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information; Reporting the first measurement information to the network side; Receive the target cell information; wherein, the target cell information is decided and / or selected by the network side from the candidate cell information according to the first measurement information.
22. The cell handover method according to claim 19, wherein: When the first module is on the network side, the method further includes: Report the second information to the network side.
23. The cell handover method according to claim 22, wherein: The acquiring target cell information includes: Receive the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information.
24. The cell handover method according to claim 22, wherein: The acquiring target cell information includes: receiving a reconfiguration message, the reconfiguration message including candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information; Send reconfiguration completion message; The target cell information is decided and / or selected from the candidate cell information according to the first measurement information.
25. The cell handover method according to claim 22, wherein: The acquiring target cell information includes: receiving a reconfiguration message, the reconfiguration message including candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information; Send reconfiguration completion message; Reporting the first measurement information to the network side; Receive the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the network side from the candidate cell information based on the first measurement information.
26. The cell handover method according to claim 19, wherein: When both the terminal side and the network side are configured with the first module, the method further includes: reporting the second information to the network side; Predicting and / or deciding and / or selecting candidate cell information through a first module on the terminal side according to the second information and / or motion information inferred from the second information; And / or, receiving candidate cell information, where the candidate cell information is predicted and / or decided and / or selected by the first module on the network side based on the second information and / or motion information inferred from the second information.
27. The cell handover method according to any one of claims 22 to 26, wherein: The second information is reported through a measurement report.
28. The cell handover method according to any one of claims 22 to 26, wherein: The second information is reported through UE auxiliary information.
29. The cell handover method according to any one of claims 18 to 28, wherein: The second information includes a set of measurement information obtained according to a preset time template.
30. The cell handover method according to claim 29, wherein: The measurement information includes at least one of a reference signal received power, a reference signal received quality, and a signal to interference plus noise ratio.
31. The cell handover method according to any one of claims 19 to 30, wherein: The first module is trained based on at least one of the past first measurement information and the past second information and feedback data obtained after a past cell handover; The feedback data includes at least one of: load information of a source cell, load information of a neighboring cell, handover failure information, radio frequency link failure information, and the number of handovers.
32. The cell handover method according to any one of claims 18 to 31, wherein: The cell switching command is used to instruct the terminal to switch from a source cell to a target cell.
33. A cell handover method, wherein: Applied to the network side, including: A cell switching command is issued; wherein the cell switching command is used to instruct the terminal to switch from the source cell to the target cell; the target cell information corresponding to the target cell is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information; the first module includes an artificial intelligence AI model and / or a machine learning ML model; the first information is used to describe the motion information of the terminal.
34. The cell handover method according to claim 33, wherein: When the first module is on the terminal side, the sending the cell switching command to the terminal side includes: Receiving the target cell information reported by the terminal side; wherein the target cell information is predicted and / or decided and / or selected by the first module based on the measured first measurement information and / or the first information; The cell handover command is triggered in response to the target cell information.
35. The cell handover method according to claim 33, wherein: When the first module is on the terminal side, the sending the cell switching command to the terminal side includes: Receiving candidate cell information reported by the terminal side; wherein the candidate cell information is predicted and / or decided and / or selected by the first module based on the measured first measurement information and / or the first information; receiving the second measurement information and / or the first information and / or the third information reported by the terminal side; Send the target cell information; wherein, the target cell information is decided and / or selected by the network side from the candidate cell information based on the second measurement information and / or the first information and / or the third information.
36. The cell handover method according to claim 33, wherein: When the first module is on the network side, the method further includes: receiving the first measurement information; The first information is received.
37. The cell handover method according to claim 36, wherein: The method further comprises: Send the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the first module according to the first measurement information and / or the first information.
38. The cell handover method according to claim 36, wherein: The method further comprises: A reconfiguration message is sent, where the reconfiguration message includes candidate cell information; the candidate cell is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information; the target cell information is decided and / or selected by the terminal side from the candidate cell information based on the first measurement information and / or the first information.
39. The cell handover method according to claim 36, wherein: The method further comprises: Sending a reconfiguration message, where the reconfiguration message includes candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information; Receive a reconfiguration completion message; receiving second measurement information and / or the first information and / or the third information; Send the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the network side from the candidate cells based on the second measurement information and / or the first information and / or the third information.
40. The cell handover method according to claim 33, wherein: When both the terminal side and the network side are configured with the first module, the method further includes: receiving first measurement information and the first information; Predicting and / or deciding and / or selecting candidate cell information through a first module on the network side according to the first measurement information and / or the first information; And / or, receiving candidate cell information, where the candidate cell information is predicted and / or decided and / or selected by the first module on the terminal side according to the first measurement information and / or the first information.
41. The cell handover method according to any one of claims 36 to 40, wherein: The first information is reported through UE auxiliary information.
42. The cell handover method according to any one of claims 36 to 40, wherein: The first information is reported through a measurement report.
43. The cell handover method according to any one of claims 33 to 42, wherein: The first information includes a movement speed and / or a movement direction of the terminal.
44. The cell handover method according to any one of claims 33 to 43, wherein: The first information includes a motion enhancement identifier of the terminal.
45. The cell handover method according to claim 44, wherein: The motion enhancement identifier in the first information is an enumeration type, and the enumeration value indicates the motion rate of the terminal and / or the difference between the motion rate of the terminal and the rate threshold, and / or, the enumeration value indicates the motion direction of the terminal and / or the difference between the motion direction of the terminal and the preset motion direction.
46. The cell handover method according to any one of claims 36 to 45, wherein: When the movement rate of the terminal exceeds a preset rate threshold, reporting of the first information is triggered.
47. The cell handover method according to any one of claims 33 to 46, wherein: The first module is trained based on at least one of the past first measurement information, the past second measurement information, and the past first information, and feedback data obtained after a past cell handover; The feedback data includes at least one of: load information of a source cell, load information of a neighboring cell, handover failure information, radio frequency link failure information, and the number of handovers.
48. A cell switching method, wherein: Applied to the network side, including: A cell switching command is issued; wherein, the cell switching command is used to instruct the terminal to switch from the source cell to the target cell; the target cell information corresponding to the target cell is decided and / or selected by the first module based on the second information and / or the motion information inferred from the second information; the first module includes an artificial intelligence AI model and / or a machine learning ML model; the second information is used to infer the motion information of the terminal, and the motion information includes motion rate and / or motion direction.
49. The cell handover method according to claim 48, wherein: When the first module is on the terminal side, the method further includes: Receive the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the first module based on the second information and / or the motion information inferred from the second information, and is used to instruct the network side to trigger the cell switching command.
50. The cell handover method according to claim 48, wherein: When the first module is on the terminal side, the method further includes: Receiving candidate cell information; wherein the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information; receiving first measurement information; Send the target cell information; wherein the target cell information is decided and / or selected by the network side from the candidate cell information based on the first measurement information.
51. The cell handover method according to claim 48, wherein: When the first module is on the network side, the method further includes: The second information is received.
52. The cell handover method according to claim 51, wherein: The method further comprises: Send the target cell information; wherein, the target cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information.
53. The cell handover method according to claim 51, wherein: The method further comprises: Sending a reconfiguration message, where the reconfiguration message includes candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information; Receive the target cell information; wherein the target cell information is decided and / or selected by the terminal side from the candidate cell information according to the first measurement information.
54. The cell handover method according to claim 51, wherein: The method further comprises: Sending a reconfiguration message, where the reconfiguration message includes candidate cell information; the candidate cell information is predicted and / or decided and / or selected by the first module based on the second information and / or motion information inferred from the second information; Receive a reconfiguration completion message; Receive first measurement information, and predict and / or decide and / or select the target cell information from the candidate cell information based on the first measurement information.
55. The cell handover method according to claim 48, wherein: When both the terminal side and the network side are configured with the first module, the method further includes: receiving the second information; Predicting and / or deciding and / or selecting candidate cell information through a first module on the network side based on the second information and / or motion information inferred from the second information; And / or, receiving candidate cell information, where the candidate cell information is predicted and / or decided and / or selected by the first module on the terminal side based on the second information and / or motion information inferred from the second information.
56. The cell handover method according to any one of claims 51 to 55, wherein: The second information is reported through a measurement report.
57. The cell handover method according to any one of claims 51 to 55, wherein: The second information is reported through UE auxiliary information.
58. The cell handover method according to any one of claims 48 to 57, wherein: The second information includes a set of measurement information obtained according to a preset time template.
59. The cell handover method according to claim 58, wherein: The measurement information includes at least one of a reference signal received power, a reference signal received quality, and a signal to interference plus noise ratio.
60. The cell handover method according to any one of claims 48 to 59, wherein: The first module is trained based on at least one of the past first measurement information and the past second information and feedback data obtained after a past cell handover; The feedback data includes at least one of: load information of a source cell, load information of a neighboring cell, handover failure information, radio frequency link failure information, and the number of handovers.
61. A cell switching device, applied to a terminal side, comprising: A first information acquisition module, configured to acquire first information; The first information is used to describe the motion information of the terminal; A target cell acquisition module is used to obtain target cell information; The switching command receiving module is used to receive a cell switching command.
62. A cell switching device, applied to a terminal side, comprising: A first information acquisition module is configured to acquire second information, where the second information is used to infer motion information of the terminal, where the motion information includes a motion rate and / or a motion direction; A target cell acquisition module is used to obtain target cell information; The switching command receiving module is used to receive a cell switching command.
63. A cell switching device, applied to a network side, comprising: A switching command issuing module is used to issue a cell switching command; wherein the cell switching command is used to instruct the terminal to switch from a source cell to a target cell; the target cell information corresponding to the target cell is predicted and / or decided and / or selected by the first module based on the first measurement information and / or the first information; the first module includes an artificial intelligence AI model and / or a machine learning ML model; the first information is used to describe the motion information of the terminal.
64. A cell switching device, applied to a network side, comprising: A switching command issuing module is used to issue a cell switching command; wherein the cell switching command is used to instruct the terminal to switch from the source cell to the target cell; the target cell information corresponding to the target cell is decided and / or selected by the first module based on the second information and / or the motion information inferred from the second information; the first module includes an artificial intelligence AI model and / or a machine learning ML model; the second information is used to infer the motion information of the terminal, and the motion information includes motion rate and / or motion direction.
65. A cell switching device, comprising: A processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, wherein when the processor executes the computer program, it implements the cell switching method according to any one of claims 1 to 17, the cell switching method according to any one of claims 18 to 32, the cell switching method according to any one of claims 33 to 47, or the cell switching method according to any one of claims 48 to 60.
66. A computer-readable storage medium, wherein: The computer-readable storage medium stores a computer program, wherein, when the computer program is running, the device where the computer-readable storage medium is located is controlled to execute the cell switching method according to any one of claims 1 to 17, the cell switching method according to any one of claims 18 to 32, the cell switching method according to any one of claims 33 to 47, or the cell switching method according to any one of claims 48 to 60.
67. A computer program product comprising a computer program / instructions, wherein: When the computer program / instruction is executed by a processor, it implements the cell switching method according to any one of claims 1 to 17, the cell switching method according to any one of claims 18 to 32, the cell switching method according to any one of claims 33 to 47, or the cell switching method according to any one of claims 48 to 60.
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