Wireless communication method, terminal and network side device

Abstract

This application discloses a wireless communication method, a terminal, and a network-side device, belonging to the field of communications. The wireless communication method of this application includes: under the condition of satisfying a first condition, the terminal determines a target cell based on an artificial intelligence (AI) model; the terminal initiates a first process on the target cell; wherein the terminal is in a Radio Resource Control (RRC) connected state, and the first process includes one of the following: an RRC establishment process, an RRC re-establishment process, and a cell handover process.

Description

Technical Field

[0001] This application belongs to the field of communication technology, specifically relating to a wireless communication method, terminal, and network-side equipment. Background Technology

[0002] When a user equipment (UE) in the Radio Resource Control (RRC) connected state experiences a radio link failure, it will perform a cell selection process to select a target cell to initiate access. However, if the selected target cell is not the most suitable cell, the terminal will experience a handover shortly after the target cell access fails or is successfully accessed, which increases the data transmission interruption time and thus increases the data transmission latency. Summary of the Invention

[0003] This application provides a wireless communication method, terminal, and network-side device that can reduce data transmission latency.

[0004] In a first aspect, a wireless communication method is provided, executed by a terminal, the method comprising:

[0005] If the first condition is met, the terminal determines the target cell based on an artificial intelligence (AI) model.

[0006] The terminal initiates a first process on the target cell;

[0007] The terminal is in the Radio Resource Control (RRC) connected state, and the first process includes one of the following: RRC establishment process, RRC re-establishment process, and cell handover process.

[0008] Secondly, a wireless communication method is provided, executed by a network-side device, the method comprising:

[0009] The network-side device sends the first information to the terminal;

[0010] Wherein, the terminal is in the Radio Resource Control (RRC) connected state, the first information is used to instruct the terminal to determine the target cell based on the Artificial Intelligence (AI) model when the first condition is met, the target cell is used by the terminal to initiate a first process, the first process includes one of the following: RRC establishment process, RRC re-establishment process, cell handover process.

[0011] Thirdly, a wireless communication device is provided, comprising:

[0012] The processing module is used to determine the target cell based on an artificial intelligence (AI) model if the first condition is met.

[0013] The communication module is used to initiate the first process on the target cell;

[0014] The device is applied to a terminal, which is in a Radio Resource Control (RRC) connected state. The first process includes one of the following: an RRC establishment process, an RRC re-establishment process, or a cell handover process.

[0015] Fourthly, a wireless communication device is provided, comprising:

[0016] The sending module is used to send the first information to the terminal;

[0017] Wherein, the terminal is in the Radio Resource Control (RRC) connected state, the first information is used to instruct the terminal to determine the target cell based on the Artificial Intelligence (AI) model when the first condition is met, the target cell is used by the terminal to initiate a first process, the first process includes one of the following: RRC establishment process, RRC re-establishment process, cell handover process.

[0018] Fifthly, a wireless communication device is provided, the device being configured to perform the steps of the method described in the first aspect, or to implement the steps of the method described in the second aspect.

[0019] In a sixth aspect, a terminal is provided, the terminal including a processor and a memory, the memory storing a program or instructions executable on the processor, the program or instructions, when executed by the processor, implementing the steps of the method as described in the first aspect.

[0020] In a seventh aspect, a terminal is provided, including a processor and a communication interface, wherein the processor is used to determine a target cell based on an artificial intelligence (AI) model when a first condition is met; the communication interface is used to initiate a first process on the target cell; wherein the device is applied to the terminal, the terminal is in a Radio Resource Control (RRC) connected state, and the first process includes one of the following: an RRC establishment process, an RRC re-establishment process, and a cell handover process.

[0021] Eighthly, a network-side device is provided, the network-side device including a processor and a memory, the memory storing a program or instructions executable on the processor, the program or instructions, when executed by the processor, implementing the steps of the method as described in the second aspect.

[0022] In a ninth aspect, a network-side device is provided, including a processor and a communication interface, wherein the communication interface is used to send first information to a terminal; wherein the terminal is in a Radio Resource Control (RRC) connected state, the first information is used to instruct the terminal to determine a target cell based on an artificial intelligence (AI) model under the condition of satisfying a first condition, the target cell is used by the terminal to initiate a first process, the first process including one of the following: an RRC establishment process, an RRC re-establishment process, and a cell handover process.

[0023] In a tenth aspect, a readable storage medium is provided, on which a program or instructions are stored, which, when executed by a processor, implement the steps of the method described in the first aspect, or implement the steps of the method described in the second aspect.

[0024] Eleventhly, a wireless communication system is provided, comprising: a terminal and a network-side device, wherein the terminal can be used to perform the steps of the method as described in the first aspect, and the network-side device can be used to perform the steps of the method as described in the second aspect.

[0025] In a twelfth aspect, a chip is provided, the chip including a processor and a communication interface coupled to the processor, the processor being configured to run programs or instructions to implement the method as described in the first aspect, or to implement the method as described in the second aspect.

[0026] In a thirteenth aspect, a computer program / program product is provided, which is stored in a storage medium and is executed by at least one processor to implement the steps of the wireless communication method as described in the first aspect, or to implement the steps of the wireless communication method as described in the second aspect.

[0027] In this embodiment, the terminal determines the target cell based on an AI model and initiates a first process on the target cell, enabling the terminal to select a suitable target cell more quickly, thereby reducing data transmission interruption time and thus reducing data transmission latency. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of a communication system architecture provided in an embodiment of this application.

[0029] Figure 2 This is a schematic diagram illustrating the working process of a synchronization indicator, a failure indicator, and a timer provided in an embodiment of this application.

[0030] Figure 3 This is a schematic flowchart illustrating a condition switching process provided in an embodiment of this application.

[0031] Figures 4 to 7This is a schematic flowchart of a wireless communication method provided in an embodiment of this application.

[0032] Figure 8 This is a schematic block diagram of a wireless communication device provided in an embodiment of this application.

[0033] Figure 9 This is a schematic block diagram of another wireless communication device provided in the embodiments of this application.

[0034] Figure 10 This is a schematic block diagram of a communication device provided in an embodiment of this application.

[0035] Figure 11 This is a schematic diagram of the hardware structure of a terminal provided in an embodiment of this application.

[0036] Figure 12 This is a schematic block diagram of a network-side device provided in an embodiment of this application. Detailed Implementation

[0037] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0038] The terms "first," "second," etc., used in this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such terms can be used interchangeably where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first" and "second" are generally of the same class, not limited in number; for example, the first object can be one or more. Furthermore, "or" in this application indicates at least one of the connected objects. For example, the scope of protection for "A or B" covers at least three scenarios: Scenario 1: including A but not B; Scenario 2: including B but not A; Scenario 3: including both A and B. In addition, the terms "A and / or B," "at least one of A and B," and "at least one of A or B" also cover at least the above three scenarios. The character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0039] The term "instruction" in this application can be either a direct instruction (or explicit instruction) or an indirect instruction (or implicit instruction). A direct instruction can be understood as one in which the sender explicitly informs the receiver of specific information, the operation to be performed, or the requested result, etc., in the instruction sent. An indirect instruction can be understood as one in which the receiver determines the corresponding information based on the instruction sent by the sender, or makes a judgment and determines the operation to be performed or the requested result, etc., based on the judgment result.

[0040] It is worth noting that the technologies described in this application are not limited to Long Term Evolution (LTE) / LTE-Advanced (LTE-A) systems, but can also be used in other wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency-Division Multiple Access (SC-FDMA), or other systems. The terms "system" and "network" in this application are often used interchangeably, and the described technologies can be used with the systems and radio technologies mentioned above, as well as with other systems and radio technologies. The following description describes New Radio (NR) systems for illustrative purposes, and the term NR is used in most of the following description; however, these technologies can also be applied to systems other than NR systems, such as 6th generation (6G) radio systems. th Generation 6G communication system.

[0041] Figure 1This diagram illustrates a block diagram of a wireless communication system applicable to embodiments of this application. The wireless communication system includes a terminal 11 and a network-side device 12. The terminal 11 can be a mobile phone, tablet computer, laptop computer, notebook computer, personal digital assistant (PDA), handheld computer, netbook, ultra-mobile personal computer (UMPC), mobile internet device (MID), augmented reality (AR), virtual reality (VR) device, robot, wearable device, flight vehicle, vehicle user equipment (VUE), shipboard equipment, pedestrian user equipment (PUE), smart home devices (home appliances with wireless communication capabilities, such as refrigerators, televisions, washing machines, or furniture), game consoles, personal computers (PCs), ATMs, or self-service machines, etc. Wearable devices include: smartwatches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart chains, smart rings, smart necklaces, smart anklets, smart anklets, etc.), smart wristbands, smart clothing, etc. Among these, in-vehicle devices can also be referred to as in-vehicle terminals, in-vehicle controllers, in-vehicle modules, in-vehicle components, in-vehicle chips, or in-vehicle units, etc. It should be noted that the specific type of terminal 11 is not limited in this application embodiment. Network-side equipment 12 may include access network equipment or core network equipment, wherein access network equipment may also be referred to as Radio Access Network (RAN) equipment, radio access network function, or radio access network unit. Access network equipment may include base stations, Wireless Local Area Network (WLAN) access points (APs), or Wireless Fidelity (WiFi) nodes, etc.The term "base station" can be referred to as Node B (NB), Evolved Node B (eNB), Next Generation Node B (gNB), New Radio Node B (NR Node B), Access Point, Relay Base Station (RBS), Serving Base Station (SBS), Base Transceiver Station (BTS), Radio Base Station, Radio Transceiver, Basic Service Set (BSS), Extended Service Set (ESS), Home Node B (HNB), Home Evolved Node B, Transmit / Receive Point (TRP), or any other suitable term in the relevant field, as long as the same technical effect is achieved. The term "base station" is not limited to any specific technical terminology. It should be noted that this application embodiment only uses a base station in an NR system as an example for description and does not limit the specific type of base station.

[0042] Core network equipment, also known as core network nodes, core network functions, or core network elements, includes, but is not limited to, at least one of the following: Mobility Management Entity (MME), Access and Mobility Management Function (AMF), Session Management Function (SMF), User Plane Function (UPF), Policy Control Function (PCF), Policy and Charging Rules Function (PCRF), Edge Application Server Discovery Function (EASDF), Unified Data Management (UDM), Unified Data Repository (UDR), Home Subscriber Server (HSS), Centralized network configuration (CNC), Network Repository Function (NRF), Network Exposure Function (NEF), Local NEF (or L-NEF), and Binding Support Function. Support Functions (BSF), Application Functions (AF), Location Management Functions (LMF), Gateway Mobile Location Centres (GMLC), and Network Data Analytics Functions (NWDAF), etc. It should be noted that this application embodiment only uses core network equipment in the NR system as an example and does not limit the specific type of core network equipment. If the name of the core network equipment mentioned in this application embodiment changes in subsequent protocol versions (e.g., 6G), it will still be within the scope of protection of this application.

[0043] Optionally, the core network equipment can be implemented by one or more functional modules in a single device, or by multiple devices working together; this application does not specifically limit this. It is understood that the aforementioned functional modules can be network elements in hardware devices, software functional modules running on dedicated hardware, or virtualized functional modules instantiated on a platform (e.g., a cloud platform).

[0044] To facilitate a better understanding of the embodiments of this application, the related technologies are described.

[0045] (1) Radio Link Failure (RLF).

[0046] In NR systems, for connected UEs, the UE needs to perform radio link monitoring, measuring and listening to the radio link quality based on the reference signal configured by the base station to determine if a Regression-Range Function Failure (RLF) has occurred. The UE's physical layer evaluates the radio link quality. When the radio link quality is below the threshold Qout, the physical layer indicates out-of-sync to higher layers. When the radio link quality is above the threshold Qin, it indicates in-sync to higher layers. For example... Figure 2 As shown, an RLF can be declared to have occurred when the following conditions are met:

[0047] The physical layer continuously reports N310 out-of-synchronization indications to the higher layer. The terminal starts timer T310. After T310 is started, if N311 consecutive synchronization indications are received during the timer's operation, the link is considered to have recovered, and timer T310 is stopped. Otherwise (i.e., no N311 consecutive synchronization indications are detected during the operation of timer T310, causing T310 to time out), RLF is triggered, and the terminal initiates the RRC re-establishment process.

[0048] (2) Radio Resource Control (RRC) re-establishment process.

[0049] When a UE experiences an RLF (Redirect Life Default), handover failure, reconfiguration failure, or integrity check failure, the UE triggers an RRC (Redirect Re-establishment Code) re-establishment procedure. Specifically, the UE first performs a cell selection procedure to choose a suitable target cell, and then initiates the RRC re-establishment procedure on that target cell. The cell selection procedure is based on the current cell measurement values.

[0050] (3) Conditional handover (CHO).

[0051] R16 introduces a conditional handover procedure to reduce handover failures caused by the terminal being unable to receive handover command messages from the source gNB after the channel conditions in the source cell deteriorate.

[0052] Figure 3 This is a schematic flowchart of a condition switching process 200 provided in an embodiment of this application.

[0053] like Figure 3 As shown, the condition switching process 200 may include:

[0054] The main steps of the condition switching process are as follows:

[0055] S201, Measurement and Reporting Process.

[0056] The terminal measures and reports the measurement data. User data can be exchanged between the terminal, the source gNB, and the UPF, and mobility control information is provided by the AMF.

[0057] S202, the source gNB decided to use CHO.

[0058] S203a, the source gNB sends a handover request message to the target gNB.

[0059] S203b, the source gNB sends a handover request message to other potential target gNBs.

[0060] S204, other potential target gNBs perform admission control.

[0061] S205a, the target gNB sends a handover confirmation message to the source gNB.

[0062] S205b, other potential target gNBs send a handover confirmation message to the source gNB.

[0063] S206, the source gNB sends an RRC reconfiguration message to the terminal.

[0064] S207, the terminal sends an RRC reconfiguration complete message to the source gNB.

[0065] S208, the source gNB sends an early transfer status message to other potential target gNBs.

[0066] After the source gNB sends an early transfer status message to other potential target gNBs, the other potential target gNBs can obtain user data from the UPF.

[0067] S209, the terminal evaluates whether the candidate cell meets the CHO condition.

[0068] S210, the terminal disconnects from the old cell and synchronizes to the new cell.

[0069] S211, execute the CHO switching process.

[0070] For example, the terminal selects a target cell for handover. The terminal initiates a random access procedure in the selected target cell. The terminal sends an RRC reconfiguration complete message to the target gNB. After successfully completing the handover procedure, the terminal releases the stored conditional handover configuration.

[0071] S212a, the target gNB sends a handover success message to the source gNB.

[0072] S212b, the source gNB sends a state transition message to the target gNB.

[0073] After the source gNB sends an early transfer status message to the target gNB, the target gNB can obtain user data from the UPF.

[0074] S212c, the source gNB sends a switchover cancellation message to other target gNBs that are mounted on it.

[0075] (4) Artificial Intelligence (AI).

[0076] AI has been widely applied in various fields. Integrating artificial intelligence into wireless communication networks to significantly improve technical indicators such as throughput, latency, and user capacity is an important task for future wireless communication networks.

[0077] The AI ​​unit / AI model described in this application can also be referred to as AI unit, AI model, machine learning (ML) model, ML unit, AI structure, AI function, AI characteristic, machine learning model, neural network, neural network function, neural network functionality, etc. Alternatively, the AI ​​unit / AI model can refer to a processing unit capable of implementing specific algorithms, formulas, processing flows, capabilities, etc., related to AI. Or, the AI ​​unit / AI model can be a processing method, algorithm, function, module, or unit for a specific dataset. Alternatively, the AI ​​unit / AI model can be a processing method, algorithm, function, module, or unit running on AI / ML related hardware such as a Graphics Processing Unit (GPU), Neural Processing Unit (NPU), Tensor Processing Unit (TPU), or Application Specific Integrated Circuit (ASIC). This application does not specifically limit this. Optionally, the specific dataset may include the input and / or output of the AI ​​unit / AI model.

[0078] Optionally, the identifier of the AI ​​unit / AI model may be an AI model identifier, an AI structure identifier, an AI algorithm identifier, or an identifier of a specific dataset associated with the AI ​​unit / AI model, or an identifier of a specific scenario, environment, channel characteristics, or device related to the AI / ML, or an identifier of a function, feature, capability, or module related to the AI / ML. This application does not specifically limit this.

[0079] The wireless communication method provided in this application will be described in detail below with reference to the accompanying drawings and through some embodiments and application scenarios.

[0080] It should be noted that the conditions or thresholds involved in this application may be configured by the network-side device or agreed upon by the protocol, or may be information determined by the terminal and notified to the network-side device. This application does not make specific limitations on these.

[0081] Figure 4 This is a schematic flowchart of a wireless communication method 300 according to an embodiment of this application.

[0082] like Figure 4 As shown, the wireless communication method 300 may include at least some of the following:

[0083] S301, if the first condition is met, the terminal determines the target cell based on the AI ​​model.

[0084] For example, if the first condition is met, the terminal uses the AI ​​model to infer the target cell (or, the terminal performs AI model inference, and the inference output of the AI ​​model includes the target cell). Alternatively, if the first condition is met, the terminal determines the target cell based on the information obtained by the terminal using the AI ​​model inference.

[0085] S302, the terminal initiates a first process on the target cell.

[0086] Wherein, the terminal is in RRC connection state, and the first process includes one of the following: RRC establishment process, RRC re-establishment process, cell handover process.

[0087] For example, the terminal determines the first process and initiates the first process on the target cell.

[0088] For example, the terminal initiating the RRC establishment process includes the terminal sending an RRC establishment request to the network-side device. The terminal initiating the RRC re-establishment process includes the terminal sending an RRC re-establishment request to the network-side device. The terminal initiating the cell handover process includes the terminal sending a cell handover request to the network-side device.

[0089] In this embodiment, the terminal determines the target cell based on an AI model and initiates a first process on the target cell, enabling the terminal to select a suitable target cell more quickly, thereby reducing data transmission interruption time and thus reducing data transmission latency.

[0090] In some embodiments, the first condition includes at least one of the following:

[0091] The serving cell of the terminal meets the second condition;

[0092] The first neighboring cell of the terminal satisfies the third condition:

[0093] RLF occurred;

[0094] Switchover failed;

[0095] RRC reconfiguration failed;

[0096] Integrity protection check failed;

[0097] Multiple candidate cells meet the conditions for conditional handover.

[0098] For example, different cells among the multiple candidate cells may be associated with different or the same conditional handover conditions. The conditional handover condition may be a condition that triggers the terminal to perform a conditional handover.

[0099] In this embodiment, by refining the first condition, the flexibility of triggering the terminal to determine the target cell can be improved, enabling the terminal to initiate the first process in a timely manner, reducing data transmission interruption time, and thus reducing data transmission latency.

[0100] In some embodiments, the second condition includes at least one of the following:

[0101] The signal quality of the serving cell is less than or equal to a first threshold;

[0102] The physical layer of the terminal continuously reports M out-of-synchronization indications for the serving cell, where M is greater than or equal to 1.

[0103] For example, M is an integer greater than or equal to 1.

[0104] In this embodiment, as long as the signal quality of the serving cell is less than or equal to the first threshold or the physical layer of the terminal continuously reports M out-of-synchronization indications for the serving cell, the terminal can determine the target cell based on the AI ​​model and initiate the first process on the target cell. Compared with the related technologies where the cell selection process is not executed until an RLF occurs, the terminal can initiate the first process in a timely manner, which can reduce the data transmission interruption time and thus reduce the data transmission delay.

[0105] It should be noted that, in this application, signal quality includes, but is not limited to, Reference Signal Received Power (RSRP), Reference Signal Received Quality (RSRQ), and Signal to Interference plus Noise Ratio (SINR).

[0106] In some embodiments, the third condition includes at least one of the following:

[0107] The signal quality of the first neighboring cell is higher than the signal quality of the serving cell of the terminal by an offset value;

[0108] The signal quality of the first neighboring cell is greater than or equal to the second threshold.

[0109] In this embodiment, as long as the signal quality of the first neighboring cell is higher than the signal quality of the serving cell of the terminal by an offset value or the signal quality of the first neighboring cell is greater than or equal to a second threshold, the terminal can determine the target cell based on the AI ​​model and initiate the first process on the target cell, so that the terminal can initiate the first process in a timely manner, reduce data transmission interruption time, and thus reduce data transmission latency.

[0110] In some embodiments, S301 includes:

[0111] If the first condition is that the plurality of candidate cells meet the condition for switching, the terminal determines the target cell from the plurality of candidate cells based on the AI ​​model.

[0112] In this embodiment, if the multiple candidate cells meet the conditions for conditional handover, it means that the terminal can switch the serving cell to any one of the multiple candidate cells. Based on the AI ​​model, the terminal determines the target cell among the multiple candidate cells, which enables the terminal to select a suitable target cell more quickly, thereby increasing the probability of successful conditional handover, reducing data transmission interruption time, and thus reducing data transmission latency.

[0113] In some embodiments, the first process is a cell handover process.

[0114] For example, if the first condition is that the plurality of candidate cells meet the condition for handover, the terminal determines the target cell from the plurality of candidate cells based on the AI ​​model, and then initiates a cell handover process on the target cell.

[0115] In this embodiment, the terminal determines the target cell from the multiple candidate cells based on the AI ​​model, and then initiates a cell handover process on the target cell, so that the terminal can switch to a suitable cell, thereby reducing data transmission interruption time and thus reducing data transmission latency.

[0116] In some embodiments, prior to step S302, method 300 further includes:

[0117] The terminal determines the first process based on the first condition.

[0118] In this embodiment, the first condition is used not only for the terminal to determine whether to trigger the terminal to determine the target cell, but also for the terminal to determine the first process, so that the first process is a process that the terminal is suitable to execute on the target cell, which can reduce data transmission interruption time and thus reduce data transmission latency.

[0119] In some embodiments, the terminal determines the first process based on the first condition, including:

[0120] The terminal identifies the process associated with the first condition as the first process; or

[0121] If the target cell is the serving cell and the first condition includes at least one of the following: a handover failure occurs, an RRC reconfiguration failure occurs, or an integrity protection check failure occurs, the terminal determines the RRC re-establishment process as the first process.

[0122] For example, the terminal determines the process associated with the first condition as the first process based on the mapping relationship between the condition and the process. The mapping relationship may be information configured by the network-side device or information agreed upon by the protocol.

[0123] For example, when the target cell is not the serving cell and the process associated with the first condition exists, the terminal determines the process associated with the first condition as the first process. When the target cell is the serving cell and the first condition includes at least one of the following: a handover failure, an RRC reconfiguration failure, or an integrity protection check failure, the terminal determines the RRC re-establishment process as the first process.

[0124] In this embodiment, the terminal determines the process associated with the first condition as the first process and can execute the appropriate first process. When the target cell is the serving cell and the first condition includes at least one of the following: handover failure, RRC reconfiguration failure, or integrity protection check failure, the terminal determines the RRC re-establishment process as the first process, enabling the terminal to execute the appropriate first process, thereby reducing data transmission interruption time and ultimately reducing data transmission latency.

[0125] In some embodiments, prior to S301, the method 300 further includes:

[0126] The terminal receives the first information;

[0127] The first information is used to instruct the terminal to determine the target cell based on the AI ​​model when the first condition is met.

[0128] For example, the terminal receives first information, that is, the network-side device can instruct the terminal to determine the target cell based on the AI ​​model when the first condition is met, so that the network-side device can flexibly instruct the terminal on the scheme of determining the target cell, that is, enable the terminal to determine the target cell with flexibility.

[0129] It should be noted that the first information may be information used to determine the target cell or information used to determine the first process. That is, the terminal determines the target cell information based on the AI ​​model and the first information when the first condition is met; or, the terminal determines the target cell information based on the AI ​​model when the first condition is met, and determines the first process based on the first information. In this case, it is equivalent to implicitly instructing the terminal to determine the target cell based on the AI ​​model when the first condition is met, and this application does not specifically limit this.

[0130] In some embodiments, the first information includes at least one of the following:

[0131] The first instruction information is used to indicate that the terminal is allowed to determine the target cell based on the AI ​​model if the first condition is met;

[0132] Configuration information for one or more of the first conditions;

[0133] At least one cell list, including at least one of the following: a first cell list, a second cell list, and a third cell list, wherein the first cell list is a list of cells that are preferentially considered as the target cell, the second cell list is a list of cells from which only one cell can be selected as the target cell, and the third cell list is a list of cells that exclude the target cell;

[0134] A first frequency point list, wherein the first frequency point list is used to indicate that when determining the target cell based on the AI ​​model, cells with frequencies in the first frequency point list are given priority as the target cells;

[0135] The first mapping relationship between the target cell and the first process;

[0136] The second mapping relationship between the first condition and the first process.

[0137] For example, when the first information does not include the first indication information, the terminal is allowed by default to determine the target cell based on the AI ​​model if the first condition is met.

[0138] For example, when the first information includes configuration information for multiple first conditions, the terminal is triggered to determine the target cell based on an AI model when any one of the first conditions is met.

[0139] For example, the first cell list is a list of cells that are given priority as the target cell when determining the target cell based on the AI ​​model. Cells ranked higher in the first cell list have higher priority than cells ranked lower. The second cell list is a list from which only one cell can be selected as the target cell when determining the target cell based on the AI ​​model; it can also be called a whitelist cell list. The third cell list is a list of cells excluded as the target cell when determining the target cell based on the AI ​​model; it can also be called a blacklist cell list. The first cell list, the second cell list, or the third cell list may include one or more cells.

[0140] For example, the frequency points ranked higher in the first frequency point list have higher priority than the frequency points ranked lower. The first frequency point list may include one or more frequency points.

[0141] For example, the first information may include a mapping relationship between at least one cell and at least one process, wherein the at least one cell includes the target cell. Alternatively, the first information may include at least one mapping relationship between cells and processes, which includes the first mapping relationship.

[0142] For example, the first cell may include a mapping relationship between at least one condition and at least one process, wherein the at least one condition includes the first condition. Alternatively, the first information includes at least one mapping relationship between conditions and processes, which includes the second mapping relationship.

[0143] In this embodiment, by refining the first information, the terminal can more accurately select the appropriate target cell or first process, thereby reducing data transmission interruption time and thus reducing data transmission latency.

[0144] In some embodiments, prior to step S302, method 300 further includes:

[0145] The process by which the terminal associates the target cell based on the first mapping relationship is determined as the first process; or

[0146] The terminal determines the process associated with the first condition as the first process based on the second mapping relationship.

[0147] For example, the terminal determines the first process based on the first mapping relationship or the second mapping relationship, which enables the terminal to select a suitable first process, thereby reducing data transmission interruption time and thus reducing data transmission latency.

[0148] In some embodiments, S301 includes:

[0149] When the terminal determines to change the serving cell, the terminal determines the target cell based on the AI ​​model.

[0150] For example, the terminal may first determine whether to change the serving cell. If the terminal determines to change the serving cell, the terminal determines the target cell based on the AI ​​model and initiates the first process on the target cell. The first process includes one of the following: RRC establishment process, RRC re-establishment process, and cell handover process.

[0151] In this embodiment, when the terminal determines to change the serving cell, the terminal determines the target cell based on the AI ​​model, which can reduce the terminal from triggering unnecessary target cell determination processes and improve the performance of the terminal.

[0152] In some embodiments, the input information of the AI ​​model includes at least one of the following:

[0153] The measurement results of the serving cell of the terminal;

[0154] The measurement results of the neighboring cells of the terminal;

[0155] The terminal's moving speed information;

[0156] The location information of the terminal;

[0157] At least one cell list, including at least one of the following: a first cell list, a second cell list, and a third cell list, wherein the first cell list is a list of cells that are preferentially considered as the target cell, the second cell list is a list of cells from which only one cell can be selected as the target cell, and the third cell list is a list of cells that exclude the target cell;

[0158] A first frequency point list, wherein the first frequency point list is used to indicate that, when determining the target cell, cells with frequencies in the first frequency point list are given priority as the target cells;

[0159] The amount of data to be sent by the terminal;

[0160] The type of transmission service of the terminal;

[0161] The terminal's Quality of Service (QoS) requirements for transmitted data.

[0162] For example, the measurement results of the serving cell or the neighboring cell may include the measurement results of the signal quality of the downlink reference signal.

[0163] For example, the location information of the terminal may include the geographical location of the terminal.

[0164] For example, the first cell list is a list of cells that are given priority as the target cell when determining the target cell based on the AI ​​model. Cells ranked higher in the first cell list have higher priority than cells ranked lower. The second cell list is a list from which only one cell can be selected as the target cell when determining the target cell based on the AI ​​model; it can also be called a whitelist cell list. The third cell list is a list of cells excluded as the target cell when determining the target cell based on the AI ​​model; it can also be called a blacklist cell list. The first cell list, the second cell list, or the third cell list may include one or more cells.

[0165] For example, the frequency points ranked higher in the first frequency point list have higher priority than the frequency points ranked lower. The first frequency point list may include one or more frequency points.

[0166] For example, the amount of data to be transmitted by the terminal can be the amount of data to be transmitted across all logical channels. Alternatively, the amount of data to be transmitted by the terminal can be the amount of data to be transmitted at layer 2. The amount of data to be transmitted can also be referred to as the amount of buffered data.

[0167] For example, the types of transmission services of the terminal include, but are not limited to, Enhanced Mobile Broadband (eMBB), Ultra-Reliable and Low Latency Communication (URLLC), and Massive Machine Type Communication (mMTC).

[0168] For example, the QoS requirements include, but are not limited to, latency requirements.

[0169] In this embodiment, by refining the input information of the AI ​​model, the terminal can more accurately select the appropriate target cell based on different input information, thereby improving the flexibility of the target cell.

[0170] In some embodiments, the output information of the AI ​​model includes the identifier of the target cell; or

[0171] The output information of the AI ​​model is used to determine the target cell, and the output information of the AI ​​model includes at least one of the following:

[0172] The signal quality or signal change trend of the serving cell of the terminal in the future period of time or at one or more future time points;

[0173] The signal quality or signal change trend of the terminal's neighboring cells in the future over a period of time or at one or more future points in time;

[0174] Cell search priority information at the granularity of Radio Access Technologies (RAT), frequency granularity, or cell granularity.

[0175] For example, the output information of the AI ​​model includes: the signal quality or signal change trend of the serving cell of the terminal in the future period of time or at one or more future time points, and the signal quality or signal change trend of the neighboring cells of the terminal in the future period of time or at one or more future time points. In this case, the terminal can determine the target cell by comparing the signal quality or signal change trend of the serving cell and the neighboring cells.

[0176] For example, the output information of the AI ​​model includes cell search priority information at the RAT granularity, frequency point granularity, or cell granularity. In this case, the terminal can determine the target cell based on the priority information.

[0177] For example, the output information of the AI ​​model is the signal quality or signal change trend of multiple neighboring cells of the terminal over a future period of time or at one or more future points in time. For instance, the output information of the AI ​​model is the signal quality or signal change trend of multiple neighboring cells with the highest signal quality over a future period of time or at one or more future points in time. In this case, the terminal can determine the target cell among the multiple neighboring cells, or the terminal can determine the target cell by comparing the signal quality or signal change trend of the serving cell and the multiple neighboring cells, for example, selecting a cell with sufficiently good signal and a signal change trend that indicates it will become increasingly better in the future as the target cell.

[0178] For example, the cell search priority information includes frequency points that have a probability greater than or equal to a probability threshold as the target cell.

[0179] In this embodiment, by refining the output information of the AI ​​model, the AI ​​model can directly output the identifier of the target cell, or the terminal can select a suitable target cell more accurately or faster based on different output information, thereby improving the flexibility of the target cell.

[0180] In some embodiments, when the output information of the AI ​​model includes the cell search priority information, S301 includes:

[0181] The terminal obtains the cell search priority information based on the AI ​​model;

[0182] The terminal performs a cell search based on the cell search priority information;

[0183] The terminal will identify the target cell as the cell that meets the cell selection criteria.

[0184] In this embodiment, the terminal performs cell search based on the cell search priority information and determines the cells that meet the cell selection criteria as the target cells, so that the terminal can find suitable target cells more quickly, reduce data transmission interruption time, and thus reduce data transmission latency.

[0185] In some embodiments, when the first process is the cell handover process, the input information of the AI ​​model includes at least one of the following:

[0186] The measurement results of the serving cell of the terminal;

[0187] Cell identifiers of multiple candidate cells that meet the conditions for conditional handover;

[0188] Measurement results of multiple candidate cells that meet the conditions for conditional handover;

[0189] The terminal's moving speed information;

[0190] The location information of the terminal;

[0191] The amount of data to be sent by the terminal;

[0192] The type of transmission service of the terminal;

[0193] The Quality of Service (QoS) requirements for the data transmitted by the terminal.

[0194] For example, the measurement results of the serving cell or the neighboring cell may include the measurement results of the signal quality of the downlink reference signal.

[0195] For example, the location information of the terminal may include the geographical location of the terminal.

[0196] For example, the amount of data to be transmitted by the terminal can be the amount of data to be transmitted across all logical channels. Alternatively, the amount of data to be transmitted by the terminal can be the amount of data to be transmitted at layer 2. The amount of data to be transmitted can also be referred to as the amount of buffered data.

[0197] For example, the types of transmission services of the terminal include, but are not limited to, Enhanced Mobile Broadband (eMBB), Ultra-Reliable and Low Latency Communication (URLLC), and Massive Machine Type Communication (mMTC).

[0198] For example, the QoS requirements include, but are not limited to, latency requirements.

[0199] In this embodiment, by refining the input information of the AI ​​model, the terminal can more accurately select the appropriate target cell based on different input information, thereby improving the flexibility of the target cell.

[0200] In some embodiments, when the first process is the cell handover process, the output information of the AI ​​model includes the identifier of the target cell; or

[0201] When the first process is the cell handover process, the output information of the AI ​​model is used to determine the target cell, and the output information of the AI ​​model includes:

[0202] The signal quality or signal change trend of multiple candidate cells that meet the conditions for conditional handover in the future, or at one or more future time points.

[0203] For example, the output information of the AI ​​model is the signal quality or signal change trend of the multiple candidate cells over a future period of time or at one or more future time points. For instance, the output information of the AI ​​model is the signal quality or signal change trend of the multiple candidate cells with the highest signal quality over a future period of time or at one or more future time points. In this case, the terminal can determine the target cell from the multiple candidates.

[0204] In this embodiment, by refining the output information of the AI ​​model, the AI ​​model can directly output the identifier of the target cell or the terminal can more accurately select the appropriate target cell based on different output information, thereby improving the flexibility of the target cell.

[0205] In some embodiments, S302 includes:

[0206] If the target cell is not the serving cell, the terminal initiates the first procedure on the target cell; or

[0207] If the target cell is the serving cell, the terminal initiates the RRC re-establishment procedure on the target cell, or the terminal does not initiate the first procedure.

[0208] For example, the terminal can first determine the target cell based on the AI ​​model, and then determine whether the target cell is the terminal's serving cell. If the target cell is not a serving cell, the terminal initiates the first process on the target cell, the first process including one of the following: RRC establishment process, RRC re-establishment process, or cell handover process. If the target cell is a serving cell, the terminal initiates the first process on the target cell, the first process being the RRC re-establishment process; or, if the target cell is a serving cell, the terminal does not initiate the first process. For instance, if the target cell is a serving cell, due to network coverage, even if the current serving cell signal is poor, it is still the cell with the best signal for the terminal at this time, and the current serving cell is still the most suitable cell. In this case, the terminal does not initiate the first process, thereby avoiding data transmission interruption caused by re-initiating the first process on the current serving cell.

[0209] In this embodiment, by constraining the first process initiated by the terminal based on whether the target cell is a serving cell, the terminal can select a suitable first process, thereby reducing data transmission interruption time and thus reducing data transmission latency.

[0210] In some embodiments, when the first process is a cell handover process, S302 includes:

[0211] For the target cell storing the context of the terminal, the terminal sends a handover completion message; or

[0212] For a target cell that does not store the context of the terminal, the terminal sends a handover request message.

[0213] For example, the handover completion message may be an RRC reconfiguration completion message. The handover request message may be an RRC reconfiguration message.

[0214] In this embodiment, for the target cell that stores the context of the terminal, the terminal sends a handover completion message, which simplifies the cell handover process, reduces data transmission interruption time, and thus reduces data transmission latency. For the target cell that does not store the context of the terminal, the terminal sends a handover request message, which improves the success rate of the cell handover process.

[0215] Figure 5This is a schematic flowchart of a wireless communication method 400 according to an embodiment of this application.

[0216] S401, the network-side device sends the first information to the terminal.

[0217] Wherein, the terminal is in the Radio Resource Control (RRC) connected state, the first information is used to instruct the terminal to determine the target cell based on the Artificial Intelligence (AI) model when the first condition is met, the target cell is used by the terminal to initiate a first process, the first process includes one of the following: RRC establishment process, RRC re-establishment process, cell handover process.

[0218] It should be understood that the wireless communication method 400 includes a process for the network-side device to configure information to the terminal. The terminology involved is similar to that of method 300. Therefore, the specific content can be referred to the relevant description in method 300. To avoid repetition, it will not be repeated here.

[0219] The specific embodiments provided in this application are described below.

[0220] Example 1: When the first condition is met, the connected UE determines the target cell based on AI and initiates the first process.

[0221] Mobility management for UEs in RRC connected state is controlled by the network (e.g., base station). In this application, under certain circumstances, the UE is given a certain degree of autonomy to decide to change serving cells as a supplementary mechanism to network-controlled mobility. For example, when the signal of the serving cell attenuates rapidly, causing the handover command to fail to be sent to the UE, this supplementary mechanism can reduce data transmission interruption time, thereby reducing data transmission latency. The main idea of ​​this embodiment is: when the UE is in RRC connected state, and a first condition is met, the UE can autonomously decide to change serving cells. The UE determines the target cell based on AI, and initiates a first process in the target cell. This first process includes an RRC establishment process, an RRC re-establishment process, or a cell handover process, thereby enabling the UE to access a suitable cell more quickly, reducing data transmission interruption time, and thus reducing data transmission latency.

[0222] Figure 6 This is a schematic flowchart of a wireless communication method 500 provided in an embodiment of this application.

[0223] like Figure 6 As shown, the method 500 may include:

[0224] S501, the UE enters the RRC connection state.

[0225] Here, RRC connection state refers to the state in which the UE has established an RRC connection with the base station. The UE's current serving cell (e.g., the current primary cell) is the cell with which the RRC connection has been established.

[0226] S502, the serving base station sends the first information to the UE.

[0227] The first information is used to explicitly or implicitly instruct the UE to autonomously decide to change the serving cell or determine the target cell based on AI when the first condition is met. The first information may include at least one or any combination of the following:

[0228] 1. First indication information, used to indicate that the target cell can be determined based on the AI ​​model if the first condition is met.

[0229] 2. Configuration information for one or more of the first conditions.

[0230] 3. At least one cell list, including at least one of the following: a first cell list, a second cell list, and a third cell list, wherein the first cell list is a list of cells that are preferentially considered as the target cell, the second cell list is a list of cells from which only one cell can be selected as the target cell, and the third cell list is a list of cells that exclude the target cell.

[0231] For example, the first cell list is a list of cells that are given priority as target cells when determining the target cell based on the AI ​​model. Cells ranked higher in the first cell list have higher priority than cells ranked lower. The second cell list is a list from which only one cell can be selected as the target cell when determining the target cell based on the AI ​​model; it can also be called a whitelist cell list. The third cell list is a list of cells excluded as target cells when determining the target cell based on the AI ​​model; it can also be called a blacklist cell list. The first cell list, the second cell list, or the third cell list may include one or more cells.

[0232] 4. A first frequency point list, wherein the first frequency point list is used to indicate that when determining the target cell based on the AI ​​model, cells with frequencies in the first frequency point list are given priority as the target cells.

[0233] In the first frequency point list, the frequency points ranked earlier have higher priority than the frequency points ranked later. The first frequency point list may include one or more frequency points.

[0234] 5. The first mapping relationship between the target cell and the first process.

[0235] 6. The second mapping relationship between the first condition and the first process.

[0236] Optionally, the UE receives system information from the first cell, which includes first information; in this case, S502 can be executed before S501.

[0237] Optionally, the UE receives RRC-specific signaling sent by the serving base station, such as an RRC reconfiguration message, which includes first information.

[0238] S503, if the first condition is met, the UE determines the target cell based on AI.

[0239] When the first condition is met, the UE (optionally, based on the first information) can autonomously decide whether to change the serving cell based on AI (or, based on AI, decide whether the current serving cell is still the most suitable serving cell), and the UE determines the target cell based on AI.

[0240] The first condition may be specified in the agreement or obtained in S502 above. The first condition may be one of the following or any combination thereof:

[0241] 1. The service cell meets the second condition, which can be:

[0242] 1-1. The signal quality of the serving cell is lower than or not higher than a first threshold. The signal quality of the serving cell may include RSRP, RSRQ, SINR, etc. The first threshold can be set to a small threshold. If the signal quality of the serving cell is lower than the first threshold, it indicates that the signal quality of the serving cell is quite poor.

[0243] 1-2. The UE's physical layer continuously reports M out-of-sync indications for the serving cell, where M is an integer greater than or equal to 1.

[0244] In both of the above situations, the handover command sent by the base station may not be successfully received by the UE. If the re-establishment process is only performed after an RLF is detected, it will take a long time. Therefore, the UE can use AI to assess whether it is reasonable to change the serving cell and determine the target cell. Introducing this mechanism can execute related actions faster to reduce data transmission interruptions.

[0245] 3. An RLF occurred.

[0246] 4. Switching failed.

[0247] 5. RRC reconfiguration failed.

[0248] 6. The UE's first neighboring cell satisfies the third condition.

[0249] The UE's first neighboring cell (e.g., a cell in the first cell list and / or a cell in the second cell list) satisfies the third condition, which can be:

[0250] 6-1. The signal quality of the first neighboring cell is higher than the signal quality of the serving cell of the terminal by an offset value.

[0251] 6-2. The signal quality of the first neighboring cell is greater than or equal to the second threshold.

[0252] 7. Integrity protection check failed.

[0253] It should be noted that there can be one or more first conditions. As long as any one of the first conditions is met, the UE can autonomously decide to change the serving cell based on AI.

[0254] The UE determines a target cell based on an AI model. This can be understood as using an AI model-based method in the target cell determination process. This can be achieved by directly outputting a target cell identifier based on the AI ​​model, or by using the AI ​​model to predict the signal quality or signal change trends of various cells (e.g., the X cells with the best signal quality, cells in the first cell list, or cells in the second cell list) over a future period or at one or more future points in time. The UE then determines a target cell based on this predicted information, such as selecting a cell with sufficiently good signal that is expected to improve in the future. Alternatively, the AI ​​model can determine the search priority of the RAT or frequency points. The UE performs cell search based on the determined frequency point search priority; for example, the AI ​​model outputs frequencies with a high probability of containing the (most) suitable target cell as high-priority frequencies. This allows for faster finding of suitable target cells and reduces downtime. In this embodiment, determining the target cell based on an AI model, compared to the traditional cell selection process that only selects cells based on current cell measurements, allows for faster or higher probability access to the most suitable cell (e.g., a cell with signal quality that will improve in the future), thereby reducing the probability of failure, reducing data transmission downtime, and ultimately reducing data transmission latency.

[0255] The input information for an AI model may include at least one of the following or any combination thereof:

[0256] 1. Measurement results and / or historical measurement results of the service cell.

[0257] 2. Measurement results from neighboring cells and / or historical measurement results.

[0258] 3. UE movement speed information.

[0259] 4. UE location information.

[0260] 5. At least one list of communities.

[0261] 6. The amount of data to be sent by the UE, such as the amount of cached data in the UE's Layer 2.

[0262] 7. The service type or data transmission QoS requirements of the UE's current service, such as latency requirements.

[0263] The output information of an AI model may include at least one of the following or any combination thereof:

[0264] 1. Identification of the target community.

[0265] 2. The signal quality or signal change trend of the serving cell in the future, or at one or more future points in time.

[0266] 3. The signal quality or signal change trend of neighboring cells (e.g., the X cells with the best signal quality, or cells in the first cell list, or cells in the second cell list) in the future or at one or more future points in time.

[0267] 4. Search priority information for RAT or frequency points.

[0268] Optionally, if the first information includes at least one cell list, and the at least one cell list includes a first cell list, the UE or AI model may prioritize cells in the first cell list as target cells, for example, by increasing the weight of these cells, or by determining them as target cells as long as they have a certain signal quality.

[0269] Optionally, if the first information includes a first frequency point list, the UE or AI model may prioritize cells under the frequency points in the first frequency point list as target cells. For example, it may prioritize or prioritize searching for cells under the frequency points in the first frequency point list. As long as the cells under these frequency points have a certain signal quality, they are determined as target cells.

[0270] Optionally, if the first information includes at least one cell list and at least one cell list includes the second cell list, the UE or AI model may only consider cells in the first cell list as target cells.

[0271] Optionally, if the first information includes at least one cell list, and at least one cell list includes a third cell list, the UE or AI model does not consider cells in the third cell list as target cells.

[0272] Optionally, if the target cell is the current serving cell, it means that the current serving cell is still the most suitable cell (for example, due to network coverage, even if the signal of the current serving cell is poor, it is still the cell with the best signal for the UE at this time). The UE does not initiate the first procedure (i.e., does not execute step S504 below), thereby avoiding data transmission interruption caused by re-initiating the first procedure in the current serving cell. Optionally, during the time period when the first condition is met, the UE can periodically determine a target cell based on AI until the first condition is no longer met, or initiate the first procedure on the target cell when the determined target cell is not the current serving cell. If the target cell is not the current serving cell, the UE initiates the first procedure in the target cell to restore data transmission as soon as possible, reducing data transmission interruption time and thus reducing data transmission latency. Optionally, there is a special case: if the target cell is the current serving cell (or the serving cell before handover), and the first condition is integrity check failure, RRC reconfiguration failure, or handover failure, the UE still initiates the first procedure (e.g., RRC re-establishment procedure) in the target cell (current serving cell) to solve the problems of security parameter out-of-sync, inconsistent RRC configuration, or handover failure.

[0273] In this embodiment, the UE has a certain degree of autonomy and determines the target cell based on AI, thereby increasing the probability of accessing the most suitable cell (such as a cell whose signal quality will improve in the future), thereby reducing the probability of failure, reducing data transmission interruption time, and thus reducing data transmission latency.

[0274] S504, the UE initiates the first process in the target cell.

[0275] The UE initiates the first procedure in the target cell. The first procedure may include the RRC establishment procedure, the RRC re-establishment procedure, or the handover procedure.

[0276] Optionally, the first condition can be a more lenient condition than that of an RLF (Recurrent Leak) failure. Meeting the first condition to some extent can be considered as not having experienced an RLF. Therefore, this first process is a handover process initiated by the UE under network control to prevent failures, and it can be a handover process with or without context preparation for the UE in the target cell. Optionally, during this handover process, if the target cell has context preparation for the UE, the UE sends a handover completion message to the target base station; if the target cell has not context preparation for the UE, the UE first sends a handover request message to the target base station, and then receives a handover message from the NW (Network Controller).

[0277] Optionally, if the first information includes the mapping relationship between the target cell and the first procedure, then the first procedure initiated by the target cell is the procedure associated with that target cell, thereby reducing possible failures. For example, if there is no direct inter-base station interface (e.g., Xn interface) between two base stations, the RRC re-establishment procedure will fail. Therefore, network-side equipment can avoid failures caused by using an inappropriate first procedure by indicating the associated first procedure. For example, in the above case, if the base station where the target cell is located and the base station where the current serving cell is located do not have a direct inter-base station interface, the base station can set the procedure associated with the target cell (i.e., the first procedure) to be an RRC establishment procedure; otherwise, it can be set to an RRC re-establishment procedure or a handover procedure.

[0278] Optionally, if the first information includes the mapping relationship between the first condition and the first process, then the first process initiated in the target cell is the process associated with the first condition.

[0279] Optionally, the UE determines different first procedures based on different first conditions and initiates the first procedure in the target cell. For example, when the first condition is RRC reconfiguration failure, the UE initiates the RRC establishment procedure; when the first condition is RLF, the UE initiates the RRC re-establishment procedure; and when the first condition is the existence of a first neighboring cell that satisfies the third condition, the UE initiates the cell handover procedure.

[0280] Example 2: When multiple candidate cells meet the conditions for handover, the target cell is determined from these multiple candidate cells based on an AI model to perform the handover.

[0281] In this embodiment, the scenario addressed is a conditional handover scenario. The main idea is that the serving base station configures conditional handover settings for candidate cells. When multiple candidate cells meet the conditions for conditional handover configured in the settings, the UE determines one cell from among these candidate cells as the target cell to perform conditional handover based on an AI model. Due to the introduction of the AI ​​model, the UE can select the most suitable target cell with a higher probability, thereby reducing situations such as ping-pong handover and handover failure.

[0282] Figure 7 This is a schematic flowchart of a wireless communication method 600 provided in an embodiment of this application.

[0283] like Figure 7 As shown, the method 600 may include:

[0284] S601, the UE enters the RRC connection state.

[0285] Here, RRC connection state refers to the state in which the UE has established an RRC connection with the base station. The UE's current serving cell (e.g., the current primary cell) is the cell with which the RRC connection has been established.

[0286] S602, the serving base station sends conditional handover configuration to the UE.

[0287] The UE receives the conditional handover configuration configured by the serving base station, which includes the conditions for conditional handover and the configuration of candidate cells.

[0288] S603, when multiple candidate cells meet the conditions for conditional handover, the UE determines the target cell from the multiple candidate cells based on the AI ​​model.

[0289] When multiple candidate cells meet the conditions for conditional handover, the UE determines a target cell from among these candidate cells based on an AI model to perform the handover. For example, the UE selects a candidate cell as the target cell based on the AI ​​model. The UE can determine the target cell by directly outputting the target cell's identifier from the AI ​​model, or it can determine the target cell based on the AI ​​model's prediction of the signal quality or signal change trends of the multiple candidate cells over a future period or at one or more future points in time. The UE then uses this predicted information to determine the target cell, such as selecting a cell with sufficiently good signal that is expected to improve in the future.

[0290] The input information for an AI model may include at least one of the following or any combination thereof:

[0291] 1. Measurement results and / or historical measurement results of the service cell.

[0292] 2. A list of candidate cells that meet the conditions for handover.

[0293] 3. Measurement results and / or historical measurement results of candidate cells that meet the conditions for conditional handover.

[0294] 4. UE movement speed information.

[0295] 5. UE location information.

[0296] The output information of an AI model may include at least one of the following or any combination thereof:

[0297] 1. Identification of the target community.

[0298] 2. The signal quality or signal change trend of candidate cells that meet the conditions for conditional handover in the future, or at one or more future time points.

[0299] S604, the UE initiates a cell handover process in the target cell.

[0300] When a UE initiates a handover process in the target cell, specifically, the UE can send an RRC reconfiguration complete message to the target cell.

[0301] The wireless communication method provided in this application can be executed by a wireless communication device. This application uses an example of a wireless communication device executing the wireless communication method to illustrate the wireless communication device provided in this application.

[0302] This application provides a wireless communication device. As an example, the wireless communication device may be a communication device or a component within a communication device, such as a chip. The communication device may be a terminal, a network-side device, or a server, etc. Exemplarily, the terminal may include, but is not limited to, the type of terminal 11 listed above, and the network-side device may include, but is not limited to, the type of network-side device 12 listed above. This application does not impose specific limitations.

[0303] The wireless communication device includes a receiving module, a transmitting module, and a processing module. These modules can be implemented in software or hardware. When implemented in hardware, the processing module can be implemented by a processor. For example, the processor can include general-purpose processors, special-purpose processors, such as a Central Processing Unit (CPU), microprocessor, Digital Signal Processor (DSP), Artificial Intelligence (AI) processor, Graphics Processing Unit (GPU), Application Specific Integrated Circuit (ASIC), Network Processor (NP), Field Programmable Gate Array (FPGA), or other programmable logic devices, gate circuits, transistors, discrete hardware components, etc. The receiving and transmitting modules can be implemented by a communication interface, which can include one or more of the following: transceiver, pins, circuits, bus, radio frequency unit, etc. The receiving and transmitting modules can be collectively referred to as the communication module.

[0304] For details, see Figure 8 When the wireless communication device is a terminal or a component in a terminal, the wireless communication device 710 includes a processing module 711 for determining a target cell based on an artificial intelligence (AI) model when a first condition is met; and a communication module 712 for initiating a first process on the target cell; wherein the terminal is in a Radio Resource Control (RRC) connected state, and the first process includes one of the following: an RRC establishment process, an RRC re-establishment process, or a cell handover process.

[0305] In some embodiments, the first condition includes at least one of the following:

[0306] The serving cell of the terminal meets the second condition;

[0307] The first neighboring cell of the terminal satisfies the third condition:

[0308] Radio link failure (RLF) occurred;

[0309] Switchover failed;

[0310] RRC reconfiguration failed;

[0311] Integrity protection check failed;

[0312] Multiple candidate cells meet the conditions for conditional handover.

[0313] In some embodiments, the second condition includes at least one of the following:

[0314] The signal quality of the serving cell is less than or equal to a first threshold;

[0315] The physical layer of the terminal continuously reports M out-of-synchronization indications for the serving cell, where M is greater than or equal to 1.

[0316] In some embodiments, the third condition includes at least one of the following:

[0317] The signal quality of the first neighboring cell is higher than the signal quality of the serving cell of the terminal by an offset value;

[0318] The signal quality of the first neighboring cell is greater than or equal to the second threshold.

[0319] In some embodiments, the processing module 711 is specifically used for:

[0320] If the first condition is that the plurality of candidate cells meet the condition switching condition, the target cell is determined from the plurality of candidate cells based on the AI ​​model.

[0321] In some embodiments, the first process is a cell handover process.

[0322] In some embodiments, before the communication module 712 initiates the first process on the target cell, the processing module 711 is further configured to:

[0323] The first process is determined based on the first condition.

[0324] In some embodiments, the processing module 711 is specifically used for:

[0325] The process associated with the first condition is identified as the first process; or

[0326] If the target cell is the serving cell and the first condition includes at least one of the following: a handover failure occurs, an RRC reconfiguration failure occurs, or an integrity protection check fails, the RRC re-establishment process is determined as the first process.

[0327] In some embodiments, before the processing module 711 determines the target cell based on an artificial intelligence (AI) model, the communication module 712 is further configured to:

[0328] Receive the first message;

[0329] The first information is used to instruct the terminal to determine the target cell based on the AI ​​model when the first condition is met.

[0330] In some embodiments, the first information includes at least one of the following:

[0331] The first instruction information is used to indicate that the terminal is allowed to determine the target cell based on the AI ​​model if the first condition is met;

[0332] Configuration information for one or more of the first conditions;

[0333] At least one cell list, including at least one of the following: a first cell list, a second cell list, and a third cell list, wherein the first cell list is a list of cells that are preferentially considered as the target cell, the second cell list is a list of cells from which only one cell can be selected as the target cell, and the third cell list is a list of cells that exclude the target cell;

[0334] A first frequency point list, wherein the first frequency point list is used to indicate that when determining the target cell based on the AI ​​model, cells with frequencies in the first frequency point list are given priority as the target cells;

[0335] The first mapping relationship between the target cell and the first process;

[0336] The second mapping relationship between the first condition and the first process.

[0337] In some embodiments, before the communication module 712 initiates the first process on the target cell, the processing module 711 is further configured to:

[0338] Based on the first mapping relationship, the process of associating the target cell is determined as the first process; or

[0339] Based on the second mapping relationship, the process associated with the first condition is determined as the first process.

[0340] In some embodiments, the processing module 711 is specifically used for:

[0341] If the terminal determines to change the serving cell, the target cell is determined based on the AI ​​model.

[0342] In some embodiments, the input information of the AI ​​model includes at least one of the following:

[0343] The measurement results of the serving cell of the terminal;

[0344] The measurement results of the neighboring cells of the terminal;

[0345] The terminal's moving speed information;

[0346] The location information of the terminal;

[0347] At least one cell list, including at least one of the following: a first cell list, a second cell list, and a third cell list, wherein the first cell list is a list of cells that are preferentially considered as the target cell, the second cell list is a list of cells from which only one cell can be selected as the target cell, and the third cell list is a list of cells that exclude the target cell;

[0348] A first frequency point list, wherein the first frequency point list is used to indicate that, when determining the target cell, cells with frequencies in the first frequency point list are given priority as the target cells;

[0349] The amount of data to be sent by the terminal;

[0350] The type of transmission service of the terminal;

[0351] The Quality of Service (QoS) requirements for the data transmitted by the terminal.

[0352] In some embodiments, the output information of the AI ​​model includes the identifier of the target cell; or

[0353] The output information of the AI ​​model is used to determine the target cell, and the output information of the AI ​​model includes at least one of the following:

[0354] The signal quality or signal change trend of the serving cell of the terminal in the future period of time or at one or more future time points;

[0355] The signal quality or signal change trend of the terminal's neighboring cells in the future over a period of time or at one or more future points in time;

[0356] Cell search priority information at the RAT granularity, frequency point granularity, or cell granularity of wireless access technologies.

[0357] In some embodiments, when the output information of the AI ​​model includes the cell search priority information, the processing module 711 is specifically used for:

[0358] The search priority information of the cell is obtained based on the AI ​​model;

[0359] Perform cell search based on the cell search priority information;

[0360] Cells that meet the cell selection criteria are identified as the target cells.

[0361] In some embodiments, when the first process is the cell handover process, the input information of the AI ​​model includes at least one of the following:

[0362] The measurement results of the serving cell of the terminal;

[0363] Cell identifiers of multiple candidate cells that meet the conditions for conditional handover;

[0364] Measurement results of multiple candidate cells that meet the conditions for conditional handover;

[0365] The terminal's moving speed information;

[0366] The location information of the terminal;

[0367] The amount of data to be sent by the terminal;

[0368] The type of transmission service of the terminal;

[0369] The Quality of Service (QoS) requirements for the data transmitted by the terminal.

[0370] In some embodiments, when the first process is the cell handover process, the output information of the AI ​​model includes the identifier of the target cell; or

[0371] When the first process is the cell handover process, the output information of the AI ​​model is used to determine the target cell, and the output information of the AI ​​model includes:

[0372] The signal quality or signal change trend of multiple candidate cells that meet the conditions for conditional handover in the future, or at one or more future time points.

[0373] In some embodiments, the communication module 712 is specifically used for:

[0374] If the target cell is not the serving cell, initiate the first process on the target cell; or

[0375] If the target cell is the serving cell, the RRC re-establishment procedure is initiated on the target cell, or the first procedure is not initiated.

[0376] In some embodiments, when the first process is a cell handover process, the communication module 712 is specifically used for:

[0377] For the target cell that stores the context of the terminal, send a handover completion message; or

[0378] For the target cell that does not store the context of the terminal, a handover request message is sent.

[0379] See Figure 9 When the wireless communication device is a network-side device or a component of a network-side device, the wireless communication device 720 includes a transmitting module 721 for transmitting first information to a terminal; wherein the terminal is in a Radio Resource Control (RRC) connected state, the first information is used to instruct the terminal to determine a target cell based on an artificial intelligence (AI) model under the condition of satisfying a first condition, the target cell is used by the terminal to initiate a first process, the first process including one of the following: an RRC establishment process, an RRC re-establishment process, and a cell handover process.

[0380] In some embodiments, the first condition includes at least one of the following:

[0381] The serving cell of the terminal meets the second condition;

[0382] The first neighboring cell of the terminal satisfies the third condition:

[0383] Radio link failure (RLF) occurred;

[0384] Switchover failed;

[0385] RRC reconfiguration failed;

[0386] Integrity protection check failed;

[0387] Multiple candidate cells meet the conditions for conditional handover.

[0388] In some embodiments, the second condition includes at least one of the following:

[0389] The signal quality of the serving cell is less than or equal to a first threshold;

[0390] The physical layer of the terminal continuously reports M out-of-synchronization indications for the serving cell, where M is greater than or equal to 1.

[0391] In some embodiments, the third condition includes at least one of the following:

[0392] The signal quality of the first neighboring cell is higher than the signal quality of the serving cell of the terminal by an offset value;

[0393] The signal quality of the first neighboring cell is greater than or equal to the second threshold.

[0394] In some embodiments, the first information includes at least one of the following:

[0395] The first instruction information is used to indicate that the terminal is allowed to determine the target cell based on the AI ​​model if the first condition is met;

[0396] Configuration information for one or more of the first conditions;

[0397] At least one cell list, including at least one of the following: a first cell list, a second cell list, and a third cell list, wherein the first cell list is a list of cells that are preferentially considered as the target cell, the second cell list is a list of cells from which only one cell can be selected as the target cell, and the third cell list is a list of cells that exclude the target cell;

[0398] A first frequency point list, wherein the first frequency point list is used to indicate that when determining the target cell based on the AI ​​model, cells with frequencies in the first frequency point list are given priority as the target cells;

[0399] The first mapping relationship between the target cell and the first process;

[0400] The second mapping relationship between the first condition and the first process.

[0401] In some embodiments, the input information of the AI ​​model includes at least one of the following:

[0402] The measurement results of the serving cell of the terminal;

[0403] The measurement results of the neighboring cells of the terminal;

[0404] The terminal's moving speed information;

[0405] The location information of the terminal;

[0406] At least one cell list, including at least one of the following: a first cell list, a second cell list, and a third cell list, wherein the first cell list is a list of cells that are preferentially considered as the target cell, the second cell list is a list of cells from which only one cell can be selected as the target cell, and the third cell list is a list of cells that exclude the target cell;

[0407] A first frequency point list, wherein the first frequency point list is used to indicate that, when determining the target cell, cells with frequencies in the first frequency point list are given priority as the target cells;

[0408] The amount of data to be sent by the terminal;

[0409] The type of transmission service of the terminal;

[0410] The Quality of Service (QoS) requirements for the data transmitted by the terminal.

[0411] In some embodiments, the output information of the AI ​​model includes the identifier of the target cell; or

[0412] The output information of the AI ​​model is used to determine the target cell, and the output information of the AI ​​model includes at least one of the following:

[0413] The signal quality or signal change trend of the serving cell of the terminal in the future period of time or at one or more future time points;

[0414] The signal quality or signal change trend of the terminal's neighboring cells in the future over a period of time or at one or more future points in time;

[0415] Cell search priority information at the RAT granularity, frequency point granularity, or cell granularity of wireless access technologies.

[0416] In some embodiments, when the first process is the cell handover process, the input information of the AI ​​model includes at least one of the following:

[0417] The measurement results of the serving cell of the terminal;

[0418] Cell identifiers of multiple candidate cells that meet the conditions for conditional handover;

[0419] Measurement results of multiple candidate cells that meet the conditions for conditional handover;

[0420] The terminal's moving speed information;

[0421] The location information of the terminal;

[0422] The amount of data to be sent by the terminal;

[0423] The type of transmission service of the terminal;

[0424] The Quality of Service (QoS) requirements for the data transmitted by the terminal.

[0425] In some embodiments, when the first process is the cell handover process, the output information of the AI ​​model includes the identifier of the target cell; or

[0426] When the first process is the cell handover process, the output information of the AI ​​model is used to determine the target cell, and the output information of the AI ​​model includes:

[0427] The signal quality or signal change trend of multiple candidate cells that meet the conditions for conditional handover in the future, or at one or more future time points.

[0428] In some embodiments, when the first process is a cell handover process, the apparatus 720 further includes a receiving module for:

[0429] For the target cell storing the context of the terminal, a handover completion message is received from the terminal; or

[0430] For the target cell that does not store the context of the terminal, a handover request message is received from the terminal.

[0431] The apparatus provided in this application embodiment can achieve... Figures 4 to 7 The various processes implemented in the method embodiments achieve the same technical effect, and will not be described again here to avoid repetition.

[0432] like Figure 10 As shown, this application embodiment also provides a communication device 800, including a processor 801 and a memory 802. The memory 802 stores programs or instructions that can run on the processor 801. For example, when the communication device 800 is a terminal, the program or instructions executed by the processor 801 implement the various steps of the above-described wireless communication method embodiment and achieve the same technical effect. When the communication device 800 is a network-side device, the program or instructions executed by the processor 801 implement the various steps of the above-described wireless communication method embodiment and achieve the same technical effect. To avoid repetition, further details are omitted here.

[0433] This application embodiment also provides a terminal, including a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement, for example... Figures 4 to 7The steps in the method embodiment shown are executed by the terminal. This terminal embodiment corresponds to the terminal-side method embodiment described above. All implementation processes and methods of the above method embodiments can be applied to this terminal embodiment and achieve the same technical effect. The terminal can be... Figure 8 The wireless communication device shown. Specifically, Figure 11 A schematic diagram of the hardware structure of a terminal to implement an embodiment of this application.

[0434] The terminal 900 includes, but is not limited to, at least some of the following components: radio frequency unit 901, network module 902, audio output unit 903, input unit 904, sensor 905, display unit 906, user input unit 907, interface unit 908, memory 909, and processor 910.

[0435] Those skilled in the art will understand that the terminal 900 may also include a power supply (such as a battery) for supplying power to various components. The power supply may be logically connected to the processor 910 through a power management system, thereby enabling functions such as managing charging, discharging, and power consumption through the power management system. Figure 11 The terminal structure shown does not constitute a limitation on the terminal. The terminal may include more or fewer components than shown, or combine certain components, or have different component arrangements, which will not be elaborated here.

[0436] It should be understood that, in this embodiment, the input unit 904 may include a graphics processor 9041 and a microphone 9042. The graphics processor 9041 processes image data of still images or videos obtained by an image capture device (such as a camera) in video capture mode or image capture mode. The display unit 906 may include a display panel 9061, which may be configured in the form of a liquid crystal display, an organic light-emitting diode, or the like. The user input unit 907 includes at least one of a touch panel 9071 and other input devices 9072. The touch panel 9071 is also called a touch screen. The touch panel 9071 may include a touch detection device and a touch controller. Other input devices 9072 may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, power buttons, etc.), trackballs, mice, and joysticks, which will not be described in detail here.

[0437] In this embodiment, after receiving downlink data from the network-side device, the radio frequency unit 901 can transmit it to the processor 910 for processing; in addition, the radio frequency unit 901 can send uplink data to the network-side device. Typically, the radio frequency unit 901 includes, but is not limited to, antennas, amplifiers, transceivers, couplers, low-noise amplifiers, duplexers, etc.

[0438] The memory 909 can be used to store software programs or instructions, as well as various data. The memory 909 may primarily include a first storage area for storing programs or instructions and a second storage area for storing data. The first storage area may store the operating system, application programs or instructions required for at least one function (such as sound playback, image playback, etc.). Furthermore, the memory 909 may include volatile memory or non-volatile memory. The non-volatile memory may be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), or flash memory. Volatile memory can be random access memory (RAM), static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDRSDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link dynamic random access memory (SLDRAM), and direct memory bus RAM (DRRAM). The memory 909 in the embodiments of this application includes, but is not limited to, these and any other suitable types of memory.

[0439] Processor 910 may include one or more processing units; optionally, processor 910 integrates an application processor and a modem processor, wherein the application processor mainly handles operations involving the operating system, user interface, and applications, and the modem processor mainly handles wireless communication signals, such as a baseband processor. It is understood that the aforementioned modem processor may also not be integrated into processor 910.

[0440] The processor 910 is used to determine a target cell based on an artificial intelligence (AI) model when a first condition is met; the radio frequency unit 901 is used to initiate a first process on the target cell; the device is applied to a terminal, the terminal is in a Radio Resource Control (RRC) connected state, and the first process includes one of the following: an RRC establishment process, an RRC re-establishment process, and a cell handover process.

[0441] In this embodiment, the terminal determines the target cell based on an AI model and initiates a first process on the target cell, enabling the terminal to access a suitable cell, thereby reducing data transmission interruption time and thus reducing data transmission latency.

[0442] It is understood that the implementation process of each implementation method mentioned in this embodiment can refer to the relevant description of the above wireless communication method embodiment and achieve the same or corresponding technical effects. To avoid repetition, it will not be described again here.

[0443] This application embodiment also provides a network-side device, including a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement, for example... Figures 4 to 7 The steps shown in the method embodiment are performed by the network-side device. This network-side device embodiment corresponds to the above-described network-side device method embodiment. All implementation processes and methods of the above-described method embodiments can be applied to this network-side device embodiment and can achieve the same technical effect.

[0444] Specifically, embodiments of this application also provide a network-side device, which can be... Figure 9 The wireless communication device shown. (As shown) Figure 12 As shown, the network-side device 1000 includes: an antenna 101, a radio frequency (RF) device 102, a baseband device 103, a processor 104, and a memory 105. The antenna 101 is connected to the RF device 102. In the uplink direction, the RF device 102 receives information through the antenna 101 and transmits the received information to the baseband device 103 for processing. In the downlink direction, the baseband device 103 processes the information to be transmitted and sends it to the RF device 102. The RF device 102 processes the received information and transmits it through the antenna 101.

[0445] The method executed by the network-side device in the above embodiments can be implemented in the baseband device 103, which includes a baseband processor.

[0446] The baseband device 103 may include, for example, at least one baseband board on which multiple chips are disposed, one of which is, for example, a baseband processor. Figure 12 As shown, the baseband device 103 is connected to the memory 105 via a bus interface to call the program in the memory 105 and execute the network device operation shown in the above method embodiment.

[0447] The network-side device may also include a network interface 106, such as a Common Public Radio Interface (CPRI).

[0448] Specifically, the network-side device 1000 in this application embodiment further includes: instructions or programs stored in memory 105 and executable on processor 104, wherein processor 104 calls the instructions or programs in memory 105 to execute. Figure 9 The methods executed by each module shown achieve the same technical effect, and to avoid repetition, they will not be described in detail here.

[0449] This application also provides a readable storage medium storing a program or instructions. When the program or instructions are executed by a processor, they implement the various processes of the above-described wireless communication method embodiments and achieve the same technical effects. To avoid repetition, they will not be described again here.

[0450] The processor mentioned above is the processor in the terminal described in the above embodiments. The readable storage medium includes computer-readable storage media, such as computer read-only memory (ROM), random access memory (RAM), magnetic disk, or optical disk. In some examples, the readable storage medium may be a non-transient readable storage medium.

[0451] This application embodiment also provides a chip, which includes a processor and a communication interface. The communication interface is coupled to the processor. The processor is used to run programs or instructions to implement the various processes of the above-described wireless communication method embodiments and can achieve the same technical effect. To avoid repetition, it will not be described again here.

[0452] It should be understood that the chip mentioned in the embodiments of this application may also be referred to as a system-on-a-chip, system chip, chip system, or system-on-a-chip, etc.

[0453] This application also provides a computer program / program product, which is stored in a storage medium and executed by at least one processor to implement the various processes of the above-described wireless communication method embodiments, and can achieve the same technical effect. To avoid repetition, it will not be described again here.

[0454] This application also provides a communication system, including: a terminal and a network-side device. The terminal can be used to perform the steps performed by the terminal in the wireless communication method described above, and the network-side device can be used to perform the steps performed by the network-side device in the wireless communication method described above.

[0455] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0456] From the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of computer software products plus necessary general-purpose hardware platforms, and of course, they can also be implemented by hardware. The computer software product is stored in a storage medium (such as ROM, RAM, magnetic disk, optical disk, etc.) and includes several instructions to cause the terminal or network-side device to execute the methods described in the various embodiments of this application.

[0457] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other implementations under the guidance of this application without departing from the spirit and scope of the claims. All of these implementations are within the protection scope of this application.

Claims

1. A wireless communication method, characterized in that, include: If the first condition is met, the terminal determines the target cell based on an artificial intelligence (AI) model. The terminal initiates a first process on the target cell; The terminal is in the Radio Resource Control (RRC) connected state, and the first process includes one of the following: RRC establishment process, RRC re-establishment process, and cell handover process.

2. The method according to claim 1, characterized in that, The first condition includes at least one of the following: The serving cell of the terminal meets the second condition; The first neighboring cell of the terminal satisfies the third condition: Radio link failure (RLF) occurred; Switchover failed; RRC reconfiguration failed; Integrity protection check failed; Multiple candidate cells meet the conditions for conditional handover.

3. The method according to claim 2, characterized in that, The second condition includes at least one of the following: The signal quality of the serving cell is less than or equal to a first threshold; The physical layer of the terminal continuously reports M out-of-synchronization indications for the serving cell, where M is greater than or equal to 1.

4. The method according to claim 2, characterized in that, The third condition includes at least one of the following: The signal quality of the first neighboring cell is higher than the signal quality of the serving cell of the terminal by an offset value; The signal quality of the first neighboring cell is greater than or equal to the second threshold.

5. The method according to claim 2, characterized in that, The terminal determines the target cell based on an artificial intelligence (AI) model, including: If the first condition is that the plurality of candidate cells meet the condition for switching, the terminal determines the target cell from the plurality of candidate cells based on the AI ​​model.

6. The method according to claim 5, characterized in that, The first process is the cell handover process.

7. The method according to any one of claims 1 to 6, characterized in that, Before the terminal initiates the first procedure on the target cell, the method further includes: The terminal determines the first process based on the first condition.

8. The method according to claim 7, characterized in that, The terminal determines the first process based on the first condition, including: The terminal identifies the process associated with the first condition as the first process; or If the target cell is the serving cell and the first condition includes at least one of the following: a handover failure occurs, an RRC reconfiguration failure occurs, or an integrity protection check failure occurs, the terminal determines the RRC re-establishment process as the first process.

9. The method according to any one of claims 1 to 8, characterized in that, Before the terminal determines the target cell based on an artificial intelligence (AI) model, the method further includes: The terminal receives the first information; The first information is used to instruct the terminal to determine the target cell based on the AI ​​model when the first condition is met.

10. The method according to claim 9, characterized in that, The first information includes at least one of the following: The first instruction information is used to indicate that the terminal is allowed to determine the target cell based on the AI ​​model if the first condition is met; Configuration information for one or more of the first conditions; At least one cell list, including at least one of the following: a first cell list, a second cell list, and a third cell list, wherein the first cell list is a list of cells that are preferentially considered as the target cell, the second cell list is a list of cells from which only one cell can be selected as the target cell, and the third cell list is a list of cells that exclude the target cell; A first frequency point list, wherein the first frequency point list is used to indicate that when determining the target cell based on the AI ​​model, cells with frequencies in the first frequency point list are given priority as the target cells; The first mapping relationship between the target cell and the first process; The second mapping relationship between the first condition and the first process.

11. The method according to claim 10, characterized in that, Before the terminal initiates the first procedure on the target cell, the method further includes: The process by which the terminal associates the target cell based on the first mapping relationship is determined as the first process; or The terminal determines the process associated with the first condition as the first process based on the second mapping relationship.

12. The method according to any one of claims 1 to 8, characterized in that, The terminal determines the target cell based on an artificial intelligence (AI) model, including: When the terminal determines to change the serving cell, the terminal determines the target cell based on the AI ​​model.

13. The method according to any one of claims 1 to 12, characterized in that, The input information of the AI ​​model includes at least one of the following: The measurement results of the serving cell of the terminal; The measurement results of the neighboring cells of the terminal; The terminal's moving speed information; The location information of the terminal; At least one cell list, including at least one of the following: a first cell list, a second cell list, and a third cell list, wherein the first cell list is a list of cells that are preferentially considered as the target cell, the second cell list is a list of cells from which only one cell can be selected as the target cell, and the third cell list is a list of cells that exclude the target cell; A first frequency point list, wherein the first frequency point list is used to indicate that, when determining the target cell, cells with frequencies in the first frequency point list are given priority as the target cells; The amount of data to be sent by the terminal; The type of transmission service of the terminal; The Quality of Service (QoS) requirements for the data transmitted by the terminal.

14. The method according to any one of claims 1 to 12, characterized in that, The output information of the AI ​​model includes the identifier of the target cell; or The output information of the AI ​​model is used to determine the target cell, and the output information of the AI ​​model includes at least one of the following: The signal quality or signal change trend of the serving cell of the terminal in the future period of time or at one or more future time points; The signal quality or signal change trend of the terminal's neighboring cells in the future over a period of time or at one or more future points in time; Cell search priority information at the RAT granularity, frequency point granularity, or cell granularity of wireless access technologies.

15. The method according to claim 14, characterized in that, When the output information of the AI ​​model includes the cell search priority information, the terminal determines the target cell based on the artificial intelligence AI model, including: The terminal obtains the cell search priority information based on the AI ​​model; The terminal performs a cell search based on the cell search priority information; The terminal will identify the target cell as the cell that meets the cell selection criteria.

16. The method according to any one of claims 1 to 12, characterized in that, When the first process is the cell handover process, the input information of the AI ​​model includes at least one of the following: The measurement results of the serving cell of the terminal; Cell identifiers of multiple candidate cells that meet the conditions for conditional handover; Measurement results of multiple candidate cells that meet the conditions for conditional handover; The terminal's moving speed information; The location information of the terminal; The amount of data to be sent by the terminal; The type of transmission service of the terminal; The Quality of Service (QoS) requirements for the data transmitted by the terminal.

17. The method according to any one of claims 1 to 12, characterized in that, When the first process is the cell handover process, the output information of the AI ​​model includes the identifier of the target cell; or When the first process is the cell handover process, the output information of the AI ​​model is used to determine the target cell, and the output information of the AI ​​model includes: The signal quality or signal change trend of multiple candidate cells that meet the conditions for conditional handover in the future, or at one or more future time points.

18. The method according to any one of claims 1 to 17, characterized in that, The terminal initiates a first process on the target cell, including: If the target cell is not the serving cell, the terminal initiates the first procedure on the target cell; or If the target cell is the serving cell, the terminal initiates the RRC re-establishment procedure on the target cell; or, the terminal does not initiate the first procedure.

19. The method according to any one of claims 1 to 18, characterized in that, When the first process is a cell handover process, the terminal initiates the first process on the target cell, including: For the target cell storing the context of the terminal, the terminal sends a handover completion message; or For a target cell that does not store the context of the terminal, the terminal sends a handover request message.

20. A wireless communication method, characterized in that, include: The network-side device sends the first information to the terminal; Wherein, the terminal is in the Radio Resource Control (RRC) connected state, the first information is used to instruct the terminal to determine the target cell based on the Artificial Intelligence (AI) model when the first condition is met, the target cell is used by the terminal to initiate a first process, the first process includes one of the following: RRC establishment process, RRC re-establishment process, cell handover process.

21. The method according to claim 20, characterized in that, The first condition includes at least one of the following: The serving cell of the terminal meets the second condition; The first neighboring cell of the terminal satisfies the third condition: Radio link failure (RLF) occurred; Switchover failed; RRC reconfiguration failed; Integrity protection check failed; Multiple candidate cells meet the conditions for conditional handover.

22. The method according to claim 21, characterized in that, The second condition includes at least one of the following: The signal quality of the serving cell is less than or equal to a first threshold; The physical layer of the terminal continuously reports M out-of-synchronization indications for the serving cell, where M is greater than or equal to 1.

23. The method according to claim 21, characterized in that, The third condition includes at least one of the following: The signal quality of the first neighboring cell is higher than the signal quality of the serving cell of the terminal by an offset value; The signal quality of the first neighboring cell is greater than or equal to the second threshold.

24. The method according to any one of claims 20 to 23, characterized in that, The first information includes at least one of the following: The first instruction information is used to indicate that the terminal is allowed to determine the target cell based on the AI ​​model if the first condition is met; Configuration information for one or more of the first conditions; At least one cell list, including at least one of the following: a first cell list, a second cell list, and a third cell list, wherein the first cell list is a list of cells that are preferentially considered as the target cell, the second cell list is a list of cells from which only one cell can be selected as the target cell, and the third cell list is a list of cells that exclude the target cell; A first frequency point list, wherein the first frequency point list is used to indicate that when determining the target cell based on the AI ​​model, cells with frequencies in the first frequency point list are given priority as the target cells; The first mapping relationship between the target cell and the first process; The second mapping relationship between the first condition and the first process.

25. The method according to any one of claims 20 to 23, characterized in that, The input information of the AI ​​model includes at least one of the following: The measurement results of the serving cell of the terminal; The measurement results of the neighboring cells of the terminal; The terminal's moving speed information; The location information of the terminal; At least one cell list, including at least one of the following: a first cell list, a second cell list, and a third cell list, wherein the first cell list is a list of cells that are preferentially considered as the target cell, the second cell list is a list of cells from which only one cell can be selected as the target cell, and the third cell list is a list of cells that exclude the target cell; A first frequency point list, wherein the first frequency point list is used to indicate that, when determining the target cell, cells with frequencies in the first frequency point list are given priority as the target cells; The amount of data to be sent by the terminal; The type of transmission service of the terminal; The Quality of Service (QoS) requirements for the data transmitted by the terminal.

26. The method according to any one of claims 20 to 23, characterized in that, The output information of the AI ​​model includes the identifier of the target cell; or The output information of the AI ​​model is used to determine the target cell, and the output information of the AI ​​model includes at least one of the following: The signal quality or signal change trend of the serving cell of the terminal in the future period of time or at one or more future time points; The signal quality or signal change trend of the terminal's neighboring cells in the future over a period of time or at one or more future points in time; Cell search priority information at the RAT granularity, frequency point granularity, or cell granularity of wireless access technologies.

27. The method according to any one of claims 20 to 23, characterized in that, When the first process is the cell handover process, the input information of the AI ​​model includes at least one of the following: The measurement results of the serving cell of the terminal; Cell identifiers of multiple candidate cells that meet the conditions for conditional handover; Measurement results of multiple candidate cells that meet the conditions for conditional handover; The terminal's moving speed information; The location information of the terminal; The amount of data to be sent by the terminal; The type of transmission service of the terminal; The Quality of Service (QoS) requirements for the data transmitted by the terminal.

28. The method according to any one of claims 20 to 23, characterized in that, When the first process is the cell handover process, the output information of the AI ​​model includes the identifier of the target cell; or When the first process is the cell handover process, the output information of the AI ​​model is used to determine the target cell, and the output information of the AI ​​model includes: The signal quality or signal change trend of multiple candidate cells that meet the conditions for conditional handover in the future, or at one or more future time points.

29. The method according to any one of claims 20 to 28, characterized in that, When the first process is a cell handover process, the method further includes: For the target cell storing the context of the terminal, the network-side device receives a handover completion message from the terminal; or For a target cell that does not store the context of the terminal, the network-side device receives a handover request message from the terminal.

30. A wireless communication device, characterized in that, include: The processing module is used to determine the target cell based on an artificial intelligence (AI) model if the first condition is met. The communication module is used to initiate the first process on the target cell; The device is applied to a terminal, which is in a Radio Resource Control (RRC) connected state. The first process includes one of the following: an RRC establishment process, an RRC re-establishment process, or a cell handover process.

31. The apparatus according to claim 30, characterized in that, Before the communication module initiates the first process on the target cell, the processing module is further configured to: The first process is determined based on the first condition.

32. The apparatus according to claim 30 or 31, characterized in that, Before the processing module determines the target cell based on an artificial intelligence (AI) model, the communication module is further configured to: Receive the first message; The first information is used to instruct the terminal to determine the target cell based on the AI ​​model when the first condition is met.

33. The apparatus according to any one of claims 30 to 32, characterized in that, The processing module is specifically used for: If the terminal determines to change the serving cell, the target cell is determined based on the AI ​​model.

34. The apparatus according to any one of claims 30 to 33, characterized in that, The communication module is specifically used for: If the target cell is not the serving cell, initiate the first process on the target cell; or If the target cell is the serving cell, the RRC re-establishment procedure is initiated on the target cell, or the first procedure is not initiated.

35. The apparatus according to any one of claims 30 to 34, characterized in that, When the first process is a cell handover process, the communication module is specifically used for: For the target cell that stores the context of the terminal, send a handover completion message; or For the target cell that does not store the context of the terminal, a handover request message is sent.

36. A wireless communication device, characterized in that, include: The sending module is used to send the first information to the terminal; Wherein, the terminal is in the Radio Resource Control (RRC) connected state, the first information is used to instruct the terminal to determine the target cell based on the Artificial Intelligence (AI) model when the first condition is met, the target cell is used by the terminal to initiate a first process, the first process includes one of the following: RRC establishment process, RRC re-establishment process, cell handover process.

37. The apparatus according to claim 36, characterized in that, When the first process is a cell handover process, the device further includes: The receiving module is used for: For the target cell storing the context of the terminal, a handover completion message is received from the terminal; or For the target cell that does not store the context of the terminal, a handover request message is received from the terminal.

38. A terminal, characterized in that, It includes a processor and a memory, the memory storing a program or instructions that can run on the processor, the program or instructions being executed by the processor to implement the steps of the wireless communication method according to any one of claims 1 to 19.

39. A network-side device, characterized in that, It includes a processor and a memory, the memory storing a program or instructions that can run on the processor, the program or instructions being executed by the processor to implement the steps of the wireless communication method according to any one of claims 20 to 29.

40. A readable storage medium, characterized in that, The readable storage medium stores a program or instructions that, when executed by a processor, implement the wireless communication method according to any one of claims 1 to 19, or implement the steps of the wireless communication method according to any one of claims 20 to 29.

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