Handover processing method and apparatus, terminal, and network side device

Abstract

The present application relates to the technical field of communications, and discloses a handover processing method and apparatus, a terminal, and a network side device. The handover processing method of embodiments of the present application comprises: a first device sends first AIoT information to a terminal, the first AIoT information comprising at least one of the following: a first AIoT radio resource configuration, used for indicating an AIoT radio resource configured for the terminal; an enable indication, used for indicating whether the terminal is allowed to execute an AIoT service or whether an AIoT function is enabled; and AIoT operation indication information, used for indicating that the terminal continues or stops executing the AIoT service during or after handover, wherein the first device is a source access network device.

Description

Handover processing method and device, terminal and network side equipment

[0001] Cross-reference to related applications

[0002] The present application claims priority to the Chinese patent application No. 202411340738.2, filed on September 25, 2024, and entitled "Handover processing method and device, terminal and network side equipment", the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0003] The present application belongs to the field of communication technology, and particularly relates to a handover processing method, device, terminal and network side equipment. BACKGROUND

[0004] With the development of communication technology, in an ambient power-enabled Internet of Things (AIoT) communication scenario, a terminal (or a terminal reader (UE reader)) can act as an intermediate node to assist communication between a base station and an AIoT device, wherein the terminal is configured with AIoT radio resources by the network to perform AIoT services. Since the terminal can move in a connected state, handover occurs, which can cause AIoT services to cause conflicts or interference. For example, the terminal uses AIoT radio resources configured by the source base station at the target base station after handover, which can interfere with other terminals performing AIoT services on the target base station, or cause conflicts in the use of AIoT radio resources due to multiple terminals using the same AIoT radio resources. Therefore, there is a problem in the prior art that AIoT services can cause conflicts or interference when the terminal undergoes handover. SUMMARY

[0005] Embodiments of the present application provide a handover processing method, device, terminal and network side equipment, which can solve the problem that AIoT services can cause conflicts or interference when the terminal undergoes handover.

[0006] In a first aspect, a handover processing method is provided, comprising:

[0007] A first device sends first AIoT information to a terminal, the first AIoT information comprising at least one of:

[0008] First AIoT radio resource configuration, used to indicate AIoT radio resources configured for the terminal;

[0009] Enable indication, used to indicate whether the terminal is allowed to perform AIoT services or whether AIoT functions are enabled;

[0010] AIoT operation indication information, used for instructing the terminal to continue or stop performing the AIoT service during or after the handover;

[0011] The first device is a source access network device.

[0012] In a second aspect, a handover processing method is provided, comprising:

[0013] The second device sends third AIoT information to the first device.

[0014] The first device is a source access network device, the second device is a target access network device or a candidate access network device, and the third AIoT information comprises at least one of the following:

[0015] Confirmation information, used for instructing the second device to accept or reject the terminal to perform the AIoT service;

[0016] First AIoT radio resource configuration, used for instructing the second device to configure AIoT radio resources for the terminal.

[0017] In a third aspect, a handover processing method is provided, comprising:

[0018] The terminal receives first AIoT information from the first device, and the first AIoT information comprises at least one of the following:

[0019] First AIoT radio resource configuration, used for instructing to configure AIoT radio resources for the terminal;

[0020] Enable indication, used for instructing whether to allow the terminal to perform the AIoT service or whether to enable the AIoT function;

[0021] AIoT operation indication information, used for instructing the terminal to continue or stop performing the AIoT service during or after the handover;

[0022] The first device is a source access network device.

[0023] In a fourth aspect, a handover processing apparatus is provided, comprising:

[0024] A first sending module, configured to send first AIoT information to a terminal, and the first AIoT information comprises at least one of the following:

[0025] First AIoT radio resource configuration, used for instructing to configure AIoT radio resources for the terminal;

[0026] Enable indication, used for instructing whether to allow the terminal to perform the AIoT service or whether to enable the AIoT function;

[0027] The AIoT operation indication information is used to instruct the terminal to continue or stop performing the AIoT service during or after the handover.

[0028] In a fifth aspect, a handover processing apparatus is provided, comprising:

[0029] The second sending module is configured to send third AIoT information to the first device.

[0030] The first device is a source access network device, the second device is a target access network device or a candidate access network device, and the third AIoT information comprises at least one of the following:

[0031] The confirmation information is used to instruct the second device to accept or reject the terminal to perform the AIoT service.

[0032] The first AIoT radio resource configuration is used to instruct the second device to configure AIoT radio resources for the terminal.

[0033] In a sixth aspect, a handover processing apparatus is provided, comprising:

[0034] The third receiving module is configured to receive first AIoT information from the first device, and the first AIoT information comprises at least one of the following:

[0035] The first AIoT radio resource configuration is used to instruct to configure AIoT radio resources for the terminal.

[0036] The enabling indication is used to instruct whether to allow the terminal to perform the AIoT service or whether to enable the AIoT function.

[0037] The AIoT operation indication information is used to instruct the terminal to continue or stop performing the AIoT service during or after the handover.

[0038] The first device is a source access network device.

[0039] In a seventh aspect, a handover processing apparatus is provided, which is configured to perform the steps of the method according to the first aspect, or implement the steps of the method according to the second aspect, or implement the steps of the method according to the third aspect.

[0040] In an eighth aspect, a terminal is provided, comprising a processor and a memory, wherein the memory stores programs or instructions executable on the processor, and the programs or instructions are executed by the processor to implement the steps of the method according to the third aspect.

[0041] In a ninth aspect, a terminal is provided, comprising a processor and a communication interface, wherein the communication interface is configured to receive first AIoT information from a first device, the first AIoT information comprising at least one of:

[0042] a first AIoT radio resource configuration, configured to indicate AIoT radio resources configured to the terminal;

[0043] an enabling indication, configured to indicate whether the terminal is allowed to perform AIoT service or whether AIoT function is enabled;

[0044] AIoT operation indication information, configured to indicate whether the terminal continues or stops performing AIoT service during or after handover.

[0045] The first device is a source access network device.

[0046] In a tenth aspect, a network-side device is provided, comprising a processor and a memory, the memory storing programs or instructions executable on the processor, the programs or instructions being executed by the processor to implement the steps of the method according to the first aspect, or to implement the steps of the method according to the second aspect.

[0047] In an eleventh aspect, a network-side device is provided, comprising a processor and a communication interface, wherein,

[0048] In a case where the network-side device is a first device, the communication interface is configured to send first AIoT information to a terminal, the first AIoT information comprising at least one of:

[0049] a first AIoT radio resource configuration, configured to indicate AIoT radio resources configured to the terminal;

[0050] an enabling indication, configured to indicate whether the terminal is allowed to perform AIoT service or whether AIoT function is enabled;

[0051] AIoT operation indication information, configured to indicate whether the terminal continues or stops performing AIoT service during or after handover.

[0052] In a case where the network-side device is a second device, the communication interface is configured to send third AIoT information to the first device;

[0053] The first device is a source access network device, and the second device is a target access network device or a candidate access network device, and the third AIoT information comprises at least one of:

[0054] confirmation information, configured to indicate whether the second device accepts or rejects the terminal performing AIoT service;

[0055] The first AIoT wireless resource configuration is used to indicate AIoT wireless resources configured by the second device for the terminal.

[0056] In a twelfth aspect, a readable storage medium is provided, and the readable storage medium stores a program or instructions, which are executed by a processor to implement the steps of the method in the first aspect, or implement the steps of the method in the second aspect, or implement the steps of the method in the third aspect.

[0057] In a thirteenth aspect, a wireless communication system is provided, and the wireless communication system includes a terminal, a first device, and a second device. The terminal is configured to implement the steps of the method in the third aspect. The first device is configured to implement the steps of the method in the first aspect. The second device is configured to implement the steps of the method in the second aspect.

[0058] In a twelfth aspect, a chip is provided, and the chip includes a processor and a communication interface. The communication interface is coupled to the processor. The processor is configured to run a program or instructions to implement the method in the first aspect, or implement the method in the second aspect, or implement the method in the third aspect.

[0059] In a thirteenth aspect, a computer program / program product is provided, and the computer program / program product is stored in a storage medium. The computer program / program product is executed by at least one processor to implement the steps of the method in the first aspect, or implement the steps of the method in the second aspect, or implement the steps of the method in the third aspect.

[0060] In the embodiments of the present application, the first device sends first AIoT information to the terminal. The first AIoT information includes at least one of the following: a first AIoT wireless resource configuration, which is used to indicate AIoT wireless resources configured for the terminal; an enabling indication, which is used to indicate whether the terminal is allowed to perform AIoT services or whether AIoT functions are enabled; and AIoT operation indication information, which is used to indicate whether the terminal continues or stops performing AIoT services during or after switching. The first device is a source access network device. In this way, the first device controls the state of the terminal performing AIoT services during switching through the first AIoT information, thereby avoiding conflicts or interference caused by AIoT services. BRIEF DESCRIPTION OF DRAWINGS

[0061] FIG. 1 is a block diagram of a wireless communication system to which embodiments of the present application can be applied;

[0062] FIG. 2 is a schematic diagram of a connection topology in a wireless communication system;

[0063] FIG. 3 is a schematic diagram of another connection topology in a wireless communication system;

[0064] FIG. 4 is a schematic diagram of a basic AIoT communication flow;

[0065] FIG. 5 is a schematic diagram of a basic handover flow;

[0066] FIG. 6 is a schematic diagram of a conditional handover flow;

[0067] FIG. 7 is a schematic diagram of one of the handover processing methods provided by the embodiments of the present application;

[0068] FIG. 8 is a schematic diagram of another of the handover processing methods provided by the embodiments of the present application;

[0069] FIG. 9 is a schematic diagram of a third of the handover processing methods provided by the embodiments of the present application;

[0070] FIG. 10 is a schematic diagram of a fourth of the handover processing methods provided by the embodiments of the present application;

[0071] FIG. 11 is a schematic diagram of the structure of a handover processing apparatus provided by the embodiments of the present application;

[0072] FIG. 12 is a schematic diagram of the structure of another handover processing apparatus provided by the embodiments of the present application;

[0073] FIG. 13 is a schematic diagram of the structure of yet another handover processing apparatus provided by the embodiments of the present application;

[0074] FIG. 14 is a schematic diagram of the structure of a communication device provided by the embodiments of the present application;

[0075] FIG. 15 is a schematic diagram of the structure of a terminal provided by the embodiments of the present application;

[0076] FIG. 16 is a schematic diagram of the structure of a network-side device provided by the embodiments of the present application. DETAILED DESCRIPTION

[0077] 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.

[0078] 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.

[0079] It is worth noting that the technology described in the embodiments of the present application is 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 the embodiments of the present application are often used interchangeably, and the described technology can be used in the above-mentioned systems and radio technologies, as well as in other systems and radio technologies. The following description describes a New Radio (NR) system for example purposes, and NR terminology is used in most of the following description, but these technologies can also be applied to systems other than NR systems, such as 6th Generation (6G) communication systems. th

[0080] ​FIG. 1 shows a block diagram of a wireless communication system to which embodiments of the present application can be applied. The wireless communication system includes a terminal 11 and a network-side device 12. The terminal 11 can be a terminal-side device such as a mobile phone, a Tablet Personal Computer, a Laptop Computer, a notebook computer, a Personal Digital Assistant (PDA), a palmtop computer, a netbook, an Ultra-mobile Personal Computer (UMPC), a Mobile Internet Device (MID), an Augmented Reality (AR) device, a Virtual Reality (VR) device, a robot, a wearable device, a flight vehicle, a Vehicle User Equipment (VUE), a shipboard device, a Pedestrian User Equipment (PUE), a smart home (a home device with a wireless communication function such as a refrigerator, a television, a washing machine, or furniture), a game console, a Personal Computer (PC), a kiosk, or a self-service machine. The wearable device includes a smart watch, a smart bracelet, a smart earphone, smart glasses, smart jewelry (a smart bracelet, a smart necklace, a smart ring, a smart necklace, a smart anklet, a smart necklace, etc.), a smart wristband, smart clothes, etc. The vehicle-mounted device can also be referred to as a vehicle-mounted terminal, a vehicle-mounted controller, a vehicle-mounted module, a vehicle-mounted component, a vehicle-mounted chip, or a vehicle-mounted unit, etc. It should be noted that the specific type of the terminal 11 is not limited in the embodiments of the present application. The network-side device 12 can include an access network device or a core network device. The access network device can also be referred to as a Radio Access Network (RAN) device, a radio access network function, or a radio access network unit. The access network device can include a base station, a Wireless Local Area Network (WLAN) Access Point (AP), or a Wireless Fidelity (WiFi) node, etc.The base station can be referred to as a Node B (NB), an evolved Node B (eNB), a next generation Node B (gNB), a New Radio Node B (NR Node B), an access point, a relay station (RBS), a serving base station (SBS), a base transceiver station (BTS), a radio base station, a radio transceiver, a basic service set (BSS), an extended service set (ESS), a home Node B (HNB), a home evolved Node B, a transmit / receive point (TRP), or some other suitable terminology in the art, so long as 5 30 the base station is capable of achieving the same technical effect, and the base station is not limited to a specific technical term. It should be noted that in the embodiments of the present application, only the base station in the NR system is taken as an example for introduction, and the specific type of the base station is not limited.

[0081] For the convenience of understanding, some contents related to the embodiments of the present application are described as follows:

[0082] I. Ambient IoT (AIoT).

[0083] Ambient IoT is a kind of IoT business. Among them, the AIoT device is powered by energy harvesting, and the AIoT device has no battery or has limited energy storage capability (for example, using a capacitor). The overall power consumption of such devices is low, including low-power signal reception and low-power signal transmission. Due to the low overall power consumption, the energy for communication can come from the environment, such as wind energy, kinetic energy, thermal energy, radio frequency (RF) signals, etc., which can also be called Ambient IoT devices or passive IoT devices or responder devices.

[0084] Ambient IoT devices can be classified based on energy sources, energy storage capabilities, passive or active transmission, etc., including various device types:

[0085] Passive Device, such as device 1. No energy storage, no independent signal generation / amplification capability, communicate through backscattering.

[0086] semi-passive Device, such as device 2a, also belongs to the big category of Passive Device. Has energy storage, no independent signal generation, i.e. communicate through backscattering. The stored energy can be used for amplification of the reflected signal.

[0087] Active Device, such as device 2b, has energy storage, has independent signal generation capability, i.e. contains active radio frequency components for transmission.

[0088] Different energy storage capability of devices also affects the transmission quality of the devices. Generally, devices with higher energy storage also mean higher receiving sensitivity or higher sending power, i.e. the reliability of the receiving or sending link can be better guaranteed.

[0089] II. AIOT service types

[0090] The main service types are: inventory, command.

[0091] Inventory is the most basic and important service of AIoT, which is used to enable the AIoT server to learn one or more known or unknown AIoT devices within the coverage of the reader through the 3GPP network.

[0092] After learning that the AIoT device is recognized by the network, the AIoT server can issue a command to the device through the 3GPP network.

[0093] Specifically, it includes:

[0094] Read: read information from a certain location in the storage of the AIoT device;

[0095] Write: write information to the storage of the AIoT device;

[0096] Kill: will not respond to any reader again, the AIoT device can no longer be used.

[0097] The data transmission model of AIoT includes:

[0098] Device-originated (DO): DO devices usually send various data, requests or commands, i.e. initiated by the device itself;

[0099] Device-terminated (DT), a DT device usually receives instructions, data or requests from other devices or systems, i.e., terminated to the device;

[0100] Wherein, DO data means that the data flow originates from the AIoT device (similar to RFID tag). DT data means that the data flow is transmitted to the AIoT device.

[0101] For the data flow originating from the AIoT device, i.e., DO data, it can be further classified as:

[0102] 1) Device autonomous initiation (DO autonomous, DO-A), i.e., the AIoT device initiates data transmission autonomously.

[0103] For example, connecting a large number of various sensors, which collect and actively report information about the environment, devices and living beings when necessary.

[0104] 2) Device-terminated triggered device initiation (DO device-terminated triggered, DO-DTT), i.e., the reader device such as base station triggers the AIoT device to initiate data transmission.

[0105] For example, asset identification, status reporting and tracking, which are DL triggered reporting, the reader collects data from the tag by triggering the inventory program. Since the AIoT device generates data and initiates data transmission, this service should be considered as the DO service initiated by the AIoT device triggered by the reader side control command.

[0106] Three, connection topology.

[0107] There are the following potential deployment scenarios:

[0108] Topology one, as shown in FIG. 2: Base Station (BS) Ambient IoT device (AIoT device).

[0109] AIoT BS and small base station co-site coexist. The BS sends R2D message to the AIoT device, and the AIoT device backscatters, i.e., transmits D2R message to the BS.

[0110] Topology two, as shown in FIG. 3: BS Intermediate node Ambient IoT device.

[0111] AIoT BS and macro BS co-site coexist, indoor UE as intermediate node. BS controls UE through air interface signaling, UE sends R2D message to AIoT device, AIoT device backscatters, that is, transmits D2R message to UE, and UE transfers the response of AIoT device to BS through air interface.

[0112] Due to self-interference and other problems, the base station BS, terminal UE, assisting node or intermediate node can be multiple base stations BS or UEs, respectively. For example, multiple Readers undertake the functions of receiving or transmitting, thereby supporting transceiver separation.

[0113] Four, typical AIoT communication flow.

[0114] As shown in FIG. 4, the following processes are included:

[0115] Step 41: A-IoT paging. Based on AIoT service request, the Reader sends a paging message to indicate the device that needs to respond.

[0116] Step 42: Access, i.e. D2R data transmission. The indicated device performs an access process, which can be a contention-based access process or a non-contention-based access process, and finally transmits the device identification to the Reader.

[0117] Step 43: Interaction of possible high-layer command and response after access, i.e. data transmission:

[0118] Possible R2D data transmission, the Reader is used for transmission of high-layer command after access.

[0119] Possible D2R data transmission, the device is used for transmission of response to command.

[0120] Five, handover flow.

[0121] As shown in FIG. 5, the basic handover flow includes:

[0122] 1. Measurement process, UE reports measurement report;

[0123] 2. Source base station decides to handover UE;

[0124] 3. Source base station sends handover request message to target base station;

[0125] 4. Target base station can perform admission control;

[0126] 5. Target base station feeds back handover request confirmation message to source node;

[0127] 6. The source base station sends the UE an RRC Reconfiguration (RRCReconfiguration) message containing the handover command;

[0128] 7. The UE performs the handover and sends the target base station an RRC Reconfiguration Complete (RRCReconfigurationComplete) message;

[0129] 8. The target base station sends the source base station a handover success message;

[0130] 9. Data routing switch;

[0131] 10. The target base station instructs the source base station to release the UE context.

[0132] Six, Conditional Handover (CHO).

[0133] As shown in FIG. 6, the conditional handover procedure includes the following steps:

[0134] 1. Measurement procedure, the UE reports a measurement report;

[0135] 2. The source base station decides to use CHO;

[0136] 3. The source base station sends a handover request message to one or more potential target base stations;

[0137] 4. The target base station can perform admission control;

[0138] 5. The target base station feeds back a handover confirmation message to the source base station;

[0139] 6. The source base station sends the UE an RRC Reconfiguration (RRCReconfiguration) message containing the conditional handover;

[0140] 7. The UE sends the source base station an RRCReconfigurationComplete message;

[0141] 8. The UE evaluates whether the candidate cells meet the conditions and selects a target cell for handover after meeting the conditions;

[0142] The UE initiates a random access procedure in the selected target cell;

[0143] The UE sends the target base station an RRCReconfigurationComplete message;

[0144] The UE releases the stored conditional handover configuration after successfully completing the handover procedure;

[0145] Optionally, the target base station sends the source base station a handover success message;

[0146] Optionally, the source base station sends a handover cancellation message to other candidate base stations.

[0147] It should be noted that the UE Reader can act as an intermediate node to assist communication between the base station and the AIoT device, wherein the UE reader is configured by the network with AIoT wireless resources to perform AIoT services. However, considering that the UE may move in the connected state, resulting in handover, what AIoT wireless resources to use after the UE switches to continue performing AIoT services requires negotiation between network nodes during the handover process. Therefore, how to perform handover when the UE Reader performs AIoT services is a problem to be solved. For this purpose, the handover processing method of the present application is proposed.

[0148] The handover processing method provided by the embodiments of the present application will be described in detail in combination with some embodiments and their application scenarios below with reference to the accompanying drawings.

[0149] Referring to FIG. 7, the handover processing method provided by the embodiments of the present application includes:

[0150] Step 701, the first device sends first AIoT information to the terminal, the first AIoT information including at least one of the following:

[0151] First AIoT wireless resource configuration, used to indicate AIoT wireless resources configured for the terminal;

[0152] Enable indication, used to indicate whether the terminal is allowed to perform AIoT services or whether AIoT function is enabled;

[0153] AIoT operation indication information, used to indicate whether the terminal continues or stops performing AIoT services during or after handover;

[0154] Wherein, the first device is a source access network device.

[0155] In the embodiments of the present application, the handover of the terminal can be understood as cell handover of the terminal. Specifically, the terminal can perform cell handover based on mobility management or conditional handover. Wherein, the access network device can contain one or more cells, and the target cell after handover and the source cell can belong to the same access network device or different access network devices. The access network device corresponding to the source cell can be referred to as a source access network device, and the access network device corresponding to the target cell can be referred to as a target access network device. Optionally, that is, during the handover process, the handover can be performed between different cells in the same access network device, or between cells of different access network devices, which is not limited further herein.

[0156] Optionally, the first AIoT wireless resource configuration can be understood as AIoT wireless resource indicated to the terminal by the target access network device or the candidate access network device for conditional handover of the terminal (for example, the AIoT wireless resource indicated to the terminal by the target access network device or the candidate access network device through the source access network device), or can be understood as AIoT wireless resource for AIoT service after the terminal switches. The target access network device or the candidate access network device for handover can be the first device, or another device, i.e., the second device, other than the first device. Since the first AIoT information includes the first AIoT wireless resource configuration, the terminal can use the AIoT wireless resource indicated by the first AIoT wireless resource configuration to perform AIoT service after switching, avoiding the terminal being unable to perform AIoT service due to changes in AIoT wireless resource after switching. The AIoT wireless resource is a wireless resource used for communication between the terminal (such as a UE reader) and the AIoT device.

[0157] Optionally, the terminal in the embodiments of the present application can be understood or replaced as an intermediate node, i.e., an intermediate device between the AIoT device and the access network device.

[0158] Optionally, whether the terminal is allowed to perform AIoT service or whether the AIoT function is enabled can be understood as whether the target access network device or the candidate access network device for handover of the terminal allows the terminal to perform AIoT service or enables the AIoT function or has the function of performing AIoT service. Since the enabling indication is carried in the first AIoT information, it can be determined whether to continue to perform AIoT service after the terminal switches, or the terminal can select an access network device that allows or supports the terminal to perform AIoT service to access, so as to ensure the reliability of AIoT service.

[0159] Optionally, the AIoT operation indication information indicates the execution action of the terminal for AIoT service in the handover process, so as to ensure the consistency of the understanding of the terminal and the access network device for AIoT service execution, and ensure the reliability of AIoT service. Further, continuing or stopping to perform AIoT service during or after handover can be understood as any of the following:

[0160] Continuing or stopping to perform AIoT service;

[0161] Continuing or stopping to perform AIoT service during handover;

[0162] Continuing or stopping to perform AIoT service after handover.

[0163] Optionally, in some embodiments, the first AIoT wireless resource configuration can be configured by at least one of the following methods:

[0164] FullConfig (Full Configuration);

[0165] Delta Config (Delta Configuration), i.e., to provide AIoT wireless resources 2 based on AIoT wireless resources 1 configured by the source access network device, such as adding, modifying or deleting AIoT wireless resources 1 configured by the source access network device. Based on this method, AIoT wireless resources 1 configured by the source access network device can be reused or not changed.

[0166] Optionally, in the embodiments of the present application, the source access network device can be understood or replaced as a source cell, the target access network device can be understood or replaced as a target cell, and the candidate access network device can be understood or replaced as a candidate cell.

[0167] It should be noted that after the terminal receives the first AIoT information, the AIoT service can be suspended or stopped, or the AIoT service can be continued or re-executed after the handover is completed. For example, in some embodiments, in the case that the first AIoT information does not contain the first AIoT wireless resource configuration, at least one of the following operations can be performed based on the first AIoT information:

[0168] suspend or stop executing the AIoT service;

[0169] release the configured AIoT wireless resource configuration.

[0170] It should be understood that in the case that the first AIoT information does not contain the first AIoT wireless resource configuration, the terminal can consider that the target cell does not support or allow the AIoT service.

[0171] The embodiments of the present application send the first AIoT information to the terminal by the first device, and the first AIoT information includes at least one of the following: the first AIoT wireless resource configuration for indicating the AIoT wireless resource configured for the terminal; the enablement indication for indicating whether the terminal is allowed to perform the AIoT service or whether the AIoT function is enabled; the AIoT operation indication information for indicating the terminal to continue or stop executing the AIoT service during or after the handover; wherein the first device is a source access network device. In this way, the first device controls the state of the terminal executing the AIoT service during the handover process through the first AIoT information, thereby avoiding the conflict or interference caused by the AIoT service.

[0172] Optionally, in some embodiments, before the first device sends the first AIoT information to the terminal, the method further includes:

[0173] The first device sends second AIoT information to the second device, the second AIoT information being used to indicate AIoT service information of the terminal;

[0174] The second device is a target access network device or a candidate access network device.

[0175] In the embodiments of the present application, the second AIoT information can be understood as information used to indicate that the second device considers the AIoT service demand of the UE when preparing the handover command.

[0176] Optionally, the AIoT service information can be understood or replaced by AIoT process information, or AIoT Access Stratum procedure information, or AIoT related UE context information, or AIoT assistance information, which is used to assist the second device to prepare the handover configuration. For example, in some embodiments, the AIoT service or AIoT process related information is contained in the UE context information.

[0177] Optionally, in some embodiments, the second AIoT information is carried in a Handover Request message.

[0178] Optionally, the second device supports the AIoT service or the second device supports the terminal to perform the AIoT service when the terminal performs the AIoT service.

[0179] Optionally, in some embodiments, the AIoT service information includes at least one of the following:

[0180] AIoT service request information;

[0181] AIoT service type information;

[0182] AIoT service associated command type;

[0183] Second AIoT radio resource configuration, used to indicate AIoT radio resources configured by the first device for the terminal;

[0184] Target cell identifier;

[0185] Authorization information of the terminal;

[0186] Number of AIoT devices;

[0187] Period of performing AIoT service;

[0188] Data size or message size sent by the AIoT device to the terminal (D2R);

[0189] Quality of Service, QoS, information.

[0190] Optionally, the AIoT service request information can be understood as information indicated by an AIoT service request sent by the core network to the source access network device or the terminal, and the information indicated by the AIoT service request includes inventory or downlink instruction, etc., so as to facilitate the second device to determine the AIoT service request, thereby configuring the corresponding AIoT wireless resource.

[0191] Optionally, the AIoT service type information is used to indicate the type of the AIoT service, wherein the AIoT service can include inventory or command, etc., so as to facilitate the second device to determine the service type, thereby configuring the corresponding AIoT wireless resource.

[0192] Optionally, the command type is used to indicate the type of the command, such as read / write, activation or deactivation, etc. This facilitates the second device to configure the corresponding AIoT wireless resource according to the command type.

[0193] Optionally, by indicating the second AIoT wireless resource configuration to the second device, it is convenient for the second device to configure the AIoT wireless resource 2 by referring to the AIoT wireless resource 1 configured by the first device for the UE, such as not changing the AIoT wireless resource configuration, or increasing and / or modifying the AIoT wireless resource configuration based on the first AIoT wireless resource configuration. Wherein the AIoT wireless resource includes at least one of time domain resource and frequency domain resource used for AIoT air interface communication.

[0194] Optionally, the target cell identifier is used to indicate the target cell recommended by the first device, for example, the target cell identifier is a cell that supports or allows AIoT service in the measurement report.

[0195] Optionally, the authorization information is used to indicate whether the terminal is authorized as a reader (also known as terminal reader).

[0196] Optionally, the AIoT device number is the number of devices involved in the AIoT service, for example, inventorying 100 AIoT devices, and the 100 is the AIoT device number. Specifically, the AIoT device number can be an approximate number or an accurate number, which is used by the second device to estimate the AIoT wireless resource demand.

[0197] Optionally, in the case that the second AIoT information includes the period of executing the AIoT service, it can be understood that the terminal needs to periodically execute the AIoT service.

[0198] Optionally, the data sent by the AIoT device to the terminal can be understood or replaced as D2R data, and the message sent by the AIoT device to the terminal can be understood or replaced as D2R message. By carrying the D2R data size or the D2R message size in the second AIoT information, the second device can estimate the wireless resources required by the terminal to send the AIoT data.

[0199] Optionally, the quality of service QoS information can be understood as the QoS requirement of the AIoT service, such as the total duration of the terminal performing the AIoT service, the end-to-end delay requirement, etc. Optionally, in some embodiments, the quality of service QoS information can be indicated by a 5QI value.

[0200] Optionally, the terminal context information can contain the second AIoT information.

[0201] In an embodiment, the first device sending the second AIoT information to the second device includes: in the handover process, the first device sending the terminal context information to the second device (such as a target base station or a target access network device), wherein the second AIoT information is contained in the terminal context information.

[0202] Optionally, after receiving the second AIoT information, the second device can perform admission control. If the second AIoT information is sent to the second device, the second device performs AIoT admission control, that is, the AIoT service requirement is considered in the admission control.

[0203] If the second device (such as a target base station or a target access network device) does not support the AIoT service or does not allow the UE to perform the AIoT service in the area of the second device, the second device can reject the handover request.

[0204] Optionally, in some embodiments, after the first device sends the second AIoT information to the second device, the method further includes:

[0205] The first device receives third AIoT information from the second device;

[0206] The third AIoT information includes at least one of the following:

[0207] The confirmation information is used to indicate that the second device accepts or rejects the terminal performing the AIoT service;

[0208] The first AIoT wireless resource configuration.

[0209] In the embodiments of the present application, through the confirmation information, the first device can know whether the AIoT service is handed over to the second device, so as to determine whether to continue to send subsequent AIoT information to the second device.

[0210] Optionally, the first AIoT wireless resource configuration can be understood as AIoT configuration information provided by the second device to the terminal. The second device can provide the first AIoT wireless resource configuration based on the second AIoT wireless resource configuration, that is, the first AIoT wireless resource configuration is determined based on the second AIoT wireless resource configuration. For example, the AIoT wireless resource configuration is increased, modified, or unchanged.

[0211] The AIoT wireless resource configuration information is used to configure wireless resources for AIoT communication, and includes at least one of the following:

[0212] Frequency resources, that is, the AIoT device and the UE transmit or receive data or signaling on the frequency resources.

[0213] Time resources, that is, the AIoT device and the UE transmit or receive data or signaling on the time resources.

[0214] Optionally, in some embodiments, the third AIoT information is carried in a handover request acknowledgement (Handover Request Acknowledge) message.

[0215] Optionally, in some embodiments, in the case that the first device does not receive the third AIoT information, or the first device receives the third AIoT information and the third AIoT information does not contain the first AIoT wireless resource configuration, the method further includes:

[0216] The first device determines that the second device rejects or does not support the terminal to perform AIoT service;

[0217] Optionally, in some embodiments, in the case that the first device does not receive the third AIoT information, or the first device receives the third AIoT information and the third AIoT information does not contain the first AIoT wireless resource configuration, the first AIoT information satisfies at least one of the following:

[0218] The first AIoT information contains the enabling indication, and the enabling indication does not allow the terminal to perform AIoT service or does not enable AIoT function;

[0219] The first AIoT information contains AIoT operation indication information, and the AIoT operation indication information indicates the terminal to stop performing AIoT service;

[0220] The first AIoT information does not contain the first AIoT wireless resource configuration.

[0221] In the embodiments of the present application, the first device can start timing after sending the second AIoT information to the second device, determine whether the third AIoT information is received within a preset time period, or the first device can start a timer when or after sending the second AIoT information to the second device, and determine whether the third AIoT information is received after the timer expires; in the case that the first device does not receive the third AIoT information, or the first device receives the third AIoT information and the third AIoT information does not contain the first AIoT radio resource configuration, it can be determined that the second device rejects or does not support the terminal to perform the AIoT service, and the first AIoT information satisfying the above condition can also be sent to the terminal to control the terminal to perform the action of the AIoT service, so as to avoid the terminal using invalid AIoT radio resource configuration to perform the AIoT service to cause the use of spectrum resources not controlled by the network and possible interference.

[0222] Optionally, the second device not supporting the terminal to perform the AIoT service can also be understood or replaced as the second device not allowing the terminal to perform the AIoT service. Wherein, not supporting the terminal to perform the AIoT service can also be understood or replaced as not supporting the demand of the AIoT service of the terminal.

[0223] It should be noted that in the embodiments of the present application, the AIoT service can be understood or replaced as an AIoT process, an AIoT access layer process or an AIoT task.

[0224] Optionally, in some embodiments, the method further comprises:

[0225] The first device sends fourth AIoT information to the second device, and the fourth AIoT information includes at least one of the following:

[0226] AIoT scheduling indication information for indicating the steps of the AIoT service;

[0227] The identity of AIoT data transmission.

[0228] In the embodiments of the present application, the step for indicating the AIoT service can be understood or replaced as the step for indicating the AIoT process. Wherein, the indicated steps can include at least one of the steps of inventory, security configuration, command and data transmission, so as to facilitate the second device to continue to schedule or restart the AIoT service.

[0229] It should be noted that in the embodiments of the present application, the fourth AIoT information can be sent to the second device after the first device sends the first AIoT information to the terminal, so that the AIoT data can be obtained in advance or the second device can be assisted to prepare the AIoT service in advance before the terminal switches to the target cell, thereby reducing the latency of the AIoT service. In some embodiments, the first device can send the fourth AIoT information to the second device in the case that the first device indicates the terminal to stop performing the AIoT service during the switching by the first AIoT information and / or indicates to continue performing the AIoT service after the switching.

[0230] Optionally, the identification of the AIoT data transmission can include at least one of the following:

[0231] Session ID (Session ID) or transaction ID (transaction ID), used to indicate the service to which the AIoT data belongs;

[0232] Segment number (Segment number), used to indicate the segment number of the AIoT data;

[0233] Sequence number (Sequence number), used to indicate the sequence number of the AIoT data.

[0234] Optionally, the AIoT data includes at least one of the AIoT data that has been sent and received by the source base station, for example:

[0235] Data or signaling sent by the AIoT device or UE to the network side device. Among them, the base station receives the AIoT data sent by the UE, and sends the data to the core network device or application service;

[0236] Data or signaling sent by the network side device to the AIoT device. Among them, the base station receives the AIoT data sent by the core network device or application service, and sends the data to the UE.

[0237] Optionally, in some embodiments, the AIoT operation indication information includes at least one of the following:

[0238] Indication information for suspending or continuing to perform the AIoT service during switching;

[0239] Indication information for continuing or restarting the AIoT service after switching;

[0240] Indication information for stopping performing the AIoT service.

[0241] In an embodiment of the present application, in the case that the AIoT operation indication information includes indication information that the AIoT service is suspended during switching, the terminal can suspend the execution of the AIoT service after receiving the switching command. The suspension of the AIoT service can include the interaction between the UE and the AIoT device, and the suspension of the transmission of AIoT data to the network side device. The suspension of the execution of the AIoT service when the AIoT wireless resource is changed helps to avoid interference and AIoT data loss.

[0242] Optionally, in the case that the AIoT operation indication information includes indication information that the AIoT service is continued during switching, the terminal will continue to execute the AIoT service based on the second AIoT wireless resource configuration after receiving the switching command. In this way, the AIoT service can be fully utilized during the switching process, effectively shortening the latency of the AIoT service. Optionally, for example, in the case that the AIoT wireless resource does not change, the first device indicates the terminal to continue the execution of the AIoT service during the terminal switching.

[0243] Optionally, in the case that the AIoT operation indication information includes indication information that the AIoT service is continued after switching, the terminal can continue the remaining steps of the AIoT service after the switching is completed. For example, on the cell of the source base station, the UE executes the command process after the access process of the AIoT device. After switching, the UE continues to execute the command process without restarting the access process.

[0244] Optionally, in the case that the AIoT operation indication information includes indication information that the AIoT service is re-executed after switching, the terminal re-executes the steps of the AIoT service after the switching is completed. For example, on the cell of the source base station, the terminal executes the command process after the access process of the AIoT device. After switching, the AIoT device needs to execute the access process to re-access the UE Reader. For example, for the inventory service, the target cell can instruct the UE to continue or restart the inventory, thereby meeting the needs of various AIoT services. For the AIoT command or data transmission process, the UE can continue to execute the AIoT service using the AIoT wireless resource allocated by the target cell in the target cell.

[0245] Optionally, in the case that the AIoT operation indication information includes indication information that the AIoT service is stopped, the terminal will stop executing the AIoT service after receiving the switching command. For example, in the case that the access network device after switching does not support the terminal to execute the AIoT service, the first device can send the indication information that the AIoT service is stopped, which can avoid the terminal to execute the AIoT service incorrectly, causing resource waste and terminal power consumption.

[0246] Optionally, in some embodiments, the method further comprises:

[0247] the first device receives fifth AIoT information from the terminal;

[0248] wherein the fifth AIoT information comprises at least one of:

[0249] indication information for indicating that the AIoT service is ongoing;

[0250] information for requesting to switch the terminal to a cell that supports or allows the AIoT service;

[0251] preference information for performing the AIoT service;

[0252] second AIoT information.

[0253] In the embodiments of the present application, the fifth AIoT information is used to request to switch the terminal to a cell that supports (supports) or allows (enables or allows) the AIoT service. In an implementation, the fifth AIoT information can be carried in a measurement report message.

[0254] Optionally, in some embodiments, the terminal only carries the measurement results of the cells that support or allow the AIoT service in the measurement report. For example, the measurement results of at least one cell that meets the measurement report are further filtered according to whether the cell supports or allows the AIoT service. Wherein the terminal can receive the AIoT configuration information sent by the network side device, so as to determine whether the neighboring cell supports or allows the AIoT service. For example, through the measurement configuration or the system message, it is indicated whether the neighboring cell supports or allows the AIoT service.

[0255] Optionally, the preference information for performing the AIoT service can indicate that the terminal expects to be able to perform the AIoT service after switching. The preference information for performing the AIoT service can be understood or replaced as the preference information for requesting to switch to a cell that supports the AIoT service.

[0256] Optionally, in the case that the switching of the terminal belongs to the switching of different cells of the same access network device, the source access network device and the target access network device are the same. In this case, the above method can further comprise:

[0257] the first device receives sixth AIoT information from the terminal;

[0258] wherein the sixth AIoT information comprises at least one of:

[0259] AIoT service switching indication, for indicating the result of the AIoT service switching;

[0260] AIoT data;

[0261] AIoT radio resource requirement information.

[0262] In the embodiments of the present application, after the first device confirms that the terminal switches the AIoT service to the target cell, the first device will provide AIoT radio resources to schedule the terminal to perform AIoT service, etc.

[0263] It can be understood that it is possible that the UE switches to the target cell, but the AIoT service fails to switch successfully. The first device can reconfigure the AIoT radio resources for the terminal.

[0264] Optionally, the AIoT data can include data or signaling, for example, the terminal sends AIoT data to the first device based on the RRC message, which is conducive to reducing the latency of the AIoT service.

[0265] Optionally, after the terminal sends the AIoT radio resource requirement information to the first device, the first device configures AIoT radio resources for the terminal. It can be understood that the AIoT radio resource requirement of the terminal can change during the switching process; or the first device needs the terminal to send the AIoT radio resource requirement before configuring the AIoT radio resources.

[0266] Optionally, the result of the AIoT service switching includes success or failure.

[0267] Optionally, in the case where the switching of the terminal belongs to the switching between different cells of the same access network device, the source access network device and the target access network device are different, and in this case, the method can further include:

[0268] The first device receives seventh AIoT information from the second device, and the seventh AIoT information is used to indicate the result of the AIoT service switching.

[0269] Optionally, the seventh AIoT information can contain a UE ID and / or a target cell ID to indicate the result of the AIoT service switching when the terminal switches to the target cell. Through this method, the target base station supports multiple UE Readers to perform the switching process.

[0270] Optionally, in some embodiments, the method further includes:

[0271] In the case where the seventh AIoT information indicates that the AIoT service switching is successful, or in the case where the terminal successfully switches, the first device sends fourth AIoT information to the second device;

[0272] The fourth AIoT information includes at least one of the following:

[0273] AIoT scheduling indication information, used for indicating the step of the AIoT service;

[0274] An identity of AIoT data transmission.

[0275] In the embodiments of the present application, in the case that the seventh AIoT information indicates that the AIoT service switching succeeds or in the case that the terminal successfully switches, the terminal can continue to perform the AIoT service, and the first device sends the fourth AIoT information to the second device, thereby assisting or triggering the second device to perform the AIoT service, so as to ensure the normal execution of the AIoT service. At the same time, it can be avoided that invalid signaling is generated due to switching failure before the switching is completed, so that the resources are wasted. In some embodiments, the first device can continue to perform the AIoT service during the terminal switching indicated by the first AIoT information and / or indicate to continue to perform the AIoT service after the switching, and in the case that the seventh AIoT information indicates that the AIoT service switching succeeds or in the case that the terminal successfully switches, the first device sends the fourth AIoT information to the second device. In this way, the second device can know the step of the current AIoT service, and the normal execution of the AIoT service can be ensured.

[0276] Optionally, in some embodiments, the seventh AIoT information is carried in a switching success message.

[0277] Optionally, in some embodiments, the method further comprises:

[0278] The first device receives eighth AIoT information from the second device, and the eighth AIoT information is used for instructing the first device to release the context information related to the AIoT service.

[0279] In the embodiments of the present application, the eighth AIoT information is contained in a UE context release message.

[0280] Optionally, after receiving the eighth AIoT information, the first device can release the AIoT radio resource configured to the terminal.

[0281] Optionally, after the switching succeeds, the terminal can send AIoT data to the second device or receive AIoT data from the second device.

[0282] It should be noted that based on the above switching process, the access network device can manage the AIoT radio resource allocated to the terminal, so as to avoid causing interference.

[0283] Further, the access network device can transmit the AIoT data based on an RRC message, or an NAS message, or a user plane. The handover processing method provided in the embodiments of the present application supports the access network device to manage and schedule the execution of the AIoT service request or the AIoT process in different granularities, which is beneficial to the network to control the AIoT wireless resources and manage or schedule the terminal to execute the AIoT service.

[0284] It should be noted that the terminal can continuously execute the AIoT service by performing the following operations:

[0285] The terminal executes the AIoT service using the second AIoT wireless resource configuration of the source base station during the process of receiving the handover command to the handover completion;

[0286] The terminal continues to execute the AIoT service using the first AIoT wireless resource configuration of the target base station in the case of successful handover.

[0287] Further, the terminal releases the first AIoT wireless resource configuration of the target base station in the case of failed handover; and suspends or stops executing the AIoT service.

[0288] In order to better understand the present application, the following will be described in detail through some examples.

[0289] Embodiment one: handover process with AIoT wireless resource change (HO with AIoT radio resource change).

[0290] In the embodiments of the present application, the network side device can save the AIoT context information of the terminal, referred to as AIoT information, when the terminal executes the AIoT service. During handover, the second device considers the AIoT information of the terminal to prepare the handover command, provides the terminal with the AIoT wireless resource supporting the AIoT service and the Uu air interface configuration supporting the AIoT data transmission, and then continues to schedule the terminal to execute the AIoT service. In this way, the AIoT service executed by the terminal is considered during the handover process, so that the terminal can continue to execute the AIoT service after the handover.

[0291] Referring to FIG. 8, the specific process includes the following steps:

[0292] Step 1, optionally, the terminal sends the fifth AIoT information to the source base station (Source gNB), such as through a measurement report message.

[0293] Step 2: The source base station (Source gNB) determines handover based on the received fifth AIoT information or measurement report message.

[0294] Step 3: The source base station sends second AIoT information to the target base station, which is used to indicate that the target base station considers the AIoT service requirement of the UE when preparing the handover command.

[0295] Optionally, the second AIoT information can be contained in the handover request message Handover Request.

[0296] Step 4: Optionally, the target base station performs admission control.

[0297] Step 5: The target base station sends third AIoT information to the source base station. The third AIoT information is used to indicate whether the target base station accepts or rejects the AIoT service requirement of the UE, or the AIoT configuration information provided to the UE.

[0298] Optionally, the third AIoT information can be contained in the handover request acknowledgement message Handover Request Acknowledge.

[0299] Step 6: The source base station sends first AIoT information to the UE. The first AIoT information is used to indicate the AIoT configuration information provided to the UE by the target base station.

[0300] Step 7: Optionally, the source base station sends fourth AIoT information to the target base station. The fourth AIoT information is used to indicate the status information of the AIoT service or AIoT process.

[0301] Optionally, the source base station can send the fourth AIoT information to the target base station after sending the first AIoT information to the UE, for example, the first device can send the fourth AIoT information to the second device in the case that the first device indicates through the first AIoT information that the terminal stops performing the AIoT service during the terminal handover and / or indicates to continue performing the AIoT service after the handover.

[0302] Step 8: After receiving the handover command, the UE performs the handover process.

[0303] Optionally, after receiving the handover command, the UE suspends the execution of the AIoT service. For example, the UE needs to receive the scheduling information of the base station to perform the AIoT service, during the handover, the UE stops receiving the scheduling of the source base station, and after the handover, the UE receives the scheduling of the target base station to perform the AIoT service.

[0304] It should be noted that the terminal can continue to perform the AIoT service by performing the following operations:

[0305] The terminal uses the second AIoT radio resource configuration of the source base station to perform the AIoT service during the process from receiving the handover command to completing the handover.

[0306] In case of successful handover, the terminal switches to continue performing the AIoT service using the first AIoT radio resource configuration of the target base station.

[0307] Further, in case of failed handover, the terminal releases the first AIoT radio resource configuration of the target base station, and suspends or stops performing the AIoT service.

[0308] Optionally, after receiving the handover command, the UE suspends or continues performing the AIoT service according to the first AIoT information.

[0309] Optionally, the UE sends sixth AIoT information to the target base station, which is used to indicate the result (such as success or failure) of AIoT service handover, and AIoT data and AIoT radio resource requirement information.

[0310] Step 9: The target base station sends seventh AIoT information to the source base station, which is used to indicate the result (such as success or failure) of AIoT service handover.

[0311] Step 10: The source base station sends fourth AIoT information to the target base station. The fourth AIoT information is used to indicate the status information of the AIoT service or process.

[0312] Optionally, the source base station sends the fourth AIoT information to the target base station after successful handover. For example, the source base station can send the fourth AIoT information to the target base station after successful handover in the case that the first device indicates the terminal to continue performing the AIoT service during the handover and / or indicates to continue performing the AIoT service after the handover by the first AIoT information.

[0313] It should be noted that the above steps 7 and 10 can only perform one of them, or both, for example, step 7 is used to assist or trigger the second device to start preparing the AIoT service, and step 10 is used to trigger the second device to start performing the AIoT service.

[0314] Optionally, the source base station sends the fourth AIoT information to the target base station after the target base station indicates to the source base station that the AIoT service handover is successful (i.e. indicated by the seventh AIoT information).

[0315] Step 11: The target base station sends eighth AIoT information to the source base station, which is used to indicate the source base station to release the UE context information related to the AIoT service.

[0316] Optionally, the eighth AIoT information is contained in the UE Conext release message.

[0317] After receiving the eighth AIoT information, the source base station releases the AIoT radio resource allocated to the UE.

[0318] Step 12: After the handover is successful (after step 8), the UE sends AIoT data to the target base station, or receives AIoT data sent by the target base station.

[0319] Embodiment two: handover process without AIoT radio resource change (HO without AIoT radio resource change).

[0320] In this embodiment, during handover, the target base station does not change the AIoT radio resource configuration. That is, the source base station and the target base station have the same AIoT radio resource configuration for the UE.

[0321] Alternatively, during handover, the base station does not change. The UE switches from one cell of the source base station (source cell) to another cell of the source base station (target cell), and the target cell does not change the AIoT radio resource configuration. That is, the source cell and the target cell provide the same AIoT radio resource configuration for the UE.

[0322] In this way, since the AIoT radio resource configuration is not changed during handover, the UE may not need to perform AIoT handover without changing the base station, so that the handover process can not interrupt the UE to perform AIoT service. This is beneficial to reduce the delay of AIoT service caused by handover process.

[0323] The specific process includes the following steps:

[0324] Steps 1 to 5 are the same as steps 1 to 5 of embodiment one, which will not be repeated here.

[0325] Step 6: The source base station sends the first AIoT information to the UE. The first AIoT information is used to indicate the AIoT configuration information provided by the target base station to the UE.

[0326] Optionally, the third AIoT information can be included in the handover command or RRC reconfiguration message RRCReconfiguration.

[0327] Step 7: Optionally, the source base station sends the fourth AIoT information to the target base station.

[0328] Step 8: After receiving the handover command, the UE performs the handover process.

[0329] Optionally, after receiving the handover command, the UE continues to perform AIoT service.

[0330] The UE sends the sixth AIoT information to the target base station.

[0331] Steps 9 to 12, same as steps 9 to 12 of Example One, which are not repeated here.

[0332] Example Three: Switching to a base station that does not support AIoT.

[0333] In the case that the target base station does not support AIoT or has no available AIoT radio resources, the UE is supported to switch to the target base station. Optionally, at the time of switching, if the target base station or target cell does not enable AIoT or is not configured with AIoT radio resources, the UE suspends or stops AIoT traffic.

[0334] This embodiment supports the UE to switch to a target base station that does not support AIoT or has no available AIoT radio resources, thereby supporting various switching scenarios of the UE.

[0335] The specific procedure includes the following steps:

[0336] Steps 1 to 3, same as steps 1 to 3 of Example One, which are not repeated here.

[0337] Step 4: Optionally, the target base station performs admission control.

[0338] If the second AIoT information is sent to the target base station, the target base station performs AIoT admission control, i.e. considers the AIoT traffic demand in the admission control.

[0339] If the target base station does not support AIoT traffic or does not allow the UE to perform AIoT traffic in the area of the target base station, the target base station can reject the switching request. Alternatively, only after performing cell switching, the UE suspends or stops AIoT traffic.

[0340] Step 5: The target base station sends third AIoT information to the source base station. The third AIoT information is used to indicate that the target base station does not configure AIoT radio resources, does not support the AIoT traffic demand of the UE.

[0341] The confirmation information of the third AIoT information is used to indicate that the target base station does not support or rejects the AIoT traffic demand of the UE.

[0342] Optionally, if the third AIoT information does not contain AIoT radio resource configuration, or the third AIoT information is not sent, it is considered that the target base station rejects or does not support the AIoT traffic demand of the UE.

[0343] Step 6: The source base station sends the first AIoT information to the UE.

[0344] Optionally, if the first AIoT information does not contain the first AIoT radio resource configuration, the UE is not allowed to perform the AIoT service. The indication information of AIoT enabling in the first AIoT information is used to indicate that the UE is not allowed to perform the AIoT service, or the target base station does not enable the terminal to perform the AIoT service, and the target base station does not enable the AIoT function.

[0345] Step 7: Optionally, the source base station sends the fourth AIoT information to the target base station.

[0346] Step 8: After receiving the handover command, the UE performs the handover process.

[0347] Optionally, after receiving the handover command, the UE suspends the execution of the AIoT service.

[0348] Steps 9 to 12 are the same as steps 9 to 12 of embodiment one, which will not be repeated here.

[0349] Embodiment four: conditional handover with AIoT service.

[0350] In this embodiment, when performing conditional handover, the candidate cell provides AIoT radio resource configuration to the UE. In this way, the AIoT service of the UE is supported during the conditional handover process.

[0351] Optionally:

[0352] When the conditional handover is configured, the candidate cell provides AIoT radio resource configuration to the UE.

[0353] After performing the conditional handover, the UE uses the AIoT radio resource configuration provided by the target cell.

[0354] The specific process includes the following steps:

[0355] Step 1, optionally, the terminal sends the fifth AIoT information to the source base station (Source gNB), such as through a measurement report message.

[0356] Step 2: The source base station (Source gNB) determines the conditional handover based on the received second AIoT information and / or measurement report.

[0357] Step 3: The source base station sends the second AIoT information to at least one candidate base station,

[0358] Step 5: The candidate base station sends the third AIoT information to the source base station.

[0359] Step 6: The source base station sends the first AIoT information to the UE. The first AIoT information is used to indicate the AIoT configuration information provided by the candidate base station to the UE.

[0360] Step 8: After receiving the conditional handover command, the UE performs evaluation on the execution condition, and performs the conditional handover procedure after the execution condition is met.

[0361] Step 9: The target base station sends the seventh AIoT information to the source base station, which is used to indicate the result (e.g., success or failure) of the AIoT service handover.

[0362] Step 10: The source base station sends the fourth AIoT information to the target base station. The fourth AIoT information is used to indicate the status information of the AIoT service or process.

[0363] Optionally, after the successful handover, the source base station sends the fourth AIoT information to the target base station.

[0364] Optionally, after the target base station indicates to the source base station that the AIoT service handover is successful (i.e., indicated by the seventh AIoT information), the source base station sends the fourth AIoT information to the target base station.

[0365] Step 11: The target base station sends the eighth AIoT information to the source base station, which is used to indicate the source base station to release the context information related to the AIoT service.

[0366] Optionally, the eighth AIoT information is contained in the UE Conext release message.

[0367] After receiving the eighth AIoT information, the source base station releases the AIoT radio resource allocated to the UE.

[0368] Step 12: After the handover is successful (after step 8), the UE sends AIoT data to the target base station, or receives AIoT data sent by the target base station.

[0369] It should be noted that the specific content of each AIoT information in the above embodiments one to four can refer to the related description of the terminal side, the first device side, and the second device side handover processing method embodiments described above, which will not be repeated here. The source base station in the above embodiments one to four can be understood as the first device, and the target base station and the candidate base station can be understood as the second device.

[0370] Referring to FIG. 9, the present application also provides a handover processing method, as shown in FIG. 9, which comprises:

[0371] Step 901: The second device sends the third AIoT information to the first device;

[0372] Wherein, the first device is a source access network device, the second device is a target access network device or a candidate access network device, and the third AIoT information comprises at least one of the following:

[0373] confirmation information, used to indicate that the second device accepts or rejects the terminal to perform the AIoT service;

[0374] first AIoT radio resource configuration, used to indicate AIoT radio resources configured by the second device to the terminal.

[0375] Optionally, before the second device sends the third AIoT information to the first device, the method further comprises:

[0376] The second device receives second AIoT information from the first device, and the second AIoT information is used to indicate AIoT service information of the terminal.

[0377] Optionally, the first AIoT radio resource configuration is determined based on second AIoT radio resource configuration, and the second AIoT radio resource configuration is used to indicate AIoT radio resources configured by the first device to the terminal.

[0378] Optionally, the AIoT service information includes at least one of the following:

[0379] AIoT service request information;

[0380] AIoT service type information;

[0381] AIoT service associated command type;

[0382] Second AIoT radio resource configuration, used to indicate AIoT radio resources configured by the first device to the terminal;

[0383] Target cell identifier;

[0384] Authorization information of the terminal;

[0385] Number of AIoT devices;

[0386] Period of performing AIoT service;

[0387] Data size or message size sent by the AIoT device to the terminal;

[0388] Quality of service (QoS) information.

[0389] Optionally, the method further comprises:

[0390] The second device receives fourth AIoT information from the first device, and the fourth AIoT information includes at least one of the following:

[0391] AIoT scheduling indication information, used to indicate the step of the AIoT service;

[0392] Identification of AIoT data transmission.

[0393] Optionally, the method further comprises:

[0394] receiving, by the second device, sixth AIoT information from the terminal;

[0395] wherein the sixth AIoT information comprises at least one of:

[0396] AIoT service switching indication, used to indicate a result of the AIoT service switching;

[0397] AIoT data;

[0398] AIoT radio resource requirement information.

[0399] Optionally, the method further comprises:

[0400] receiving, by the second device, seventh AIoT information from the first device, the seventh AIoT information being used to indicate a result of the AIoT service switching.

[0401] Optionally, the method further comprises:

[0402] in a case where the seventh AIoT information indicates that the AIoT service switching is successful, or in a case where the terminal is successfully switched, receiving, by the second device, fourth AIoT information from the first device;

[0403] the fourth AIoT information comprises at least one of:

[0404] AIoT scheduling indication information, used to indicate a step of the AIoT service;

[0405] identification of AIoT data transmission.

[0406] Optionally, the method further comprises:

[0407] sending, by the second device, eighth AIoT information to the first device, the eighth AIoT information being used to instruct the first device to release context information related to the AIoT service.

[0408] With reference to FIG. 10, the embodiments of the present application further provide a switching processing method, as shown in FIG. 10, the switching processing method comprises:

[0409] receiving, by the terminal, first AIoT information from the first device, the first AIoT information comprising at least one of:

[0410] first AIoT radio resource configuration, used to indicate AIoT radio resources configured for the terminal;

[0411] An enabling indication, used to indicate whether the terminal is allowed to perform AIoT service or whether AIoT function is enabled;

[0412] AIoT operation indication information, used to indicate the terminal to continue or stop performing AIoT service during or after handover;

[0413] The first device is a source access network device.

[0414] Optionally, the method further comprises:

[0415] In the case that the first AIoT information does not contain the first AIoT radio resource configuration, the terminal performs at least one of the following operations:

[0416] Pausing or stopping performing the AIoT service;

[0417] Releasing the configured AIoT radio resource configuration.

[0418] Optionally, the method further comprises:

[0419] The terminal sends fifth AIoT information to the first device;

[0420] The fifth AIoT information comprises at least one of the following:

[0421] Indication information indicating that the AIoT service is ongoing;

[0422] Information used to request to hand over the terminal to a cell supporting or allowing AIoT service;

[0423] Preference information of performing AIoT service;

[0424] Second AIoT information, used to indicate AIoT service information of the terminal.

[0425] Optionally, the AIoT service information comprises at least one of the following:

[0426] AIoT service request information;

[0427] AIoT service type information;

[0428] AIoT service associated command type;

[0429] Second AIoT radio resource configuration, used to indicate AIoT radio resource configured by the first device to the terminal;

[0430] Target cell identity;

[0431] Authorization information of the terminal;

[0432] The number of AIoT devices;

[0433] The period of performing the AIoT service;

[0434] The data size or message size of the AIoT device sent to the terminal;

[0435] Quality of service (QoS) information.

[0436] Optionally, the method further includes:

[0437] The terminal performs conditional handover, and a target cell of the conditional handover is a candidate cell supporting the AIoT service.

[0438] Optionally, after the terminal switches to the target cell, the terminal can perform the AIoT service using the first AIoT radio resource configuration associated with the target cell.

[0439] Optionally, the method further includes:

[0440] The terminal sends sixth AIoT information to the first device;

[0441] The sixth AIoT information includes at least one of the following:

[0442] An AIoT service switching indication, used to indicate a result of the AIoT service switching;

[0443] AIoT data;

[0444] AIoT radio resource requirement information.

[0445] The switching processing method provided by the embodiments of the present application can be executed by a switching processing device. In the embodiments of the present application, the switching processing device is taken as an example to illustrate the switching processing device provided by the embodiments of the present application.

[0446] The switching processing device provided by the embodiments of the present application can be a communication device or a component in the communication device, such as a chip. The communication device can be a terminal, a network side device, a server, or the like. For example, the terminal can include but is not limited to the types of the terminal 11 listed above, the network side device can include but is not limited to the types of the network side device 12 listed above, and the embodiments of the present application are not limited in this regard.

[0447] The switching processing apparatus includes a receiving module, a sending module and a processing module. The receiving module, the sending module and the processing module can be implemented by software or by hardware. When implemented by hardware, the processing module can be implemented by a processor. For example, the processor can include a general-purpose processor, a special-purpose processor, a central processing unit (CPU), a microprocessor, a digital signal processor (DSP), an artificial intelligent (AI) processor, a graphics processing unit (GPU), an application specific integrated circuit (ASIC), a network processor (NP), a field programmable gate array (FPGA) or other programmable logic device, a gate circuit, a transistor, a discrete hardware component, etc. The receiving module and the sending module can be implemented by a communication interface, which can include a transceiver, a pin, a circuit, a bus, a radio frequency unit, etc.

[0448] Referring to FIG. 11, when the switching processing apparatus is a network-side device or a component in the network-side device, the switching processing apparatus 1100 includes:

[0449] A first sending module 1101 is configured to send first AIoT information to a terminal, wherein the first AIoT information includes at least one of the following:

[0450] A first AIoT radio resource configuration, used to indicate an AIoT radio resource configured for the terminal;

[0451] An enabling indication, used to indicate whether the terminal is allowed to perform AIoT service or whether an AIoT function is enabled;

[0452] AIoT operation indication information, used to indicate whether the terminal continues or stops performing AIoT service during or after switching.

[0453] Optionally, the first sending module 1101 is further configured to send second AIoT information to a second device, wherein the second AIoT information is used to indicate AIoT service information of the terminal.

[0454] The second device is a target access network device or a candidate access network device.

[0455] Optionally, the switching processing apparatus 1100 further includes:

[0456] a first receiving module, configured to receive third AIoT information from the second device;

[0457] The third AIoT information includes at least one of the following:

[0458] confirmation information, used to indicate that the second device accepts or rejects the terminal to perform the AIoT service;

[0459] The first AIoT radio resource configuration.

[0460] Optionally, the third AIoT information is carried in a handover request confirmation message, the handover request confirmation message includes a configuration of a target cell or at least one candidate cell, and at least part of the at least one candidate cell supports the AIoT service in the case of conditional handover.

[0461] It should be noted that the first AIoT information can include first AIoT radio resource configurations corresponding to at least one or more candidate access network devices. The first AIoT radio resource configurations corresponding to multiple candidate cells of one candidate access network device can be the same or different. Alternatively, the first AIoT information can include first AIoT radio resource configurations corresponding to one or more candidate cells, wherein the multiple candidate cells include at least one of cells of the same candidate access network device and cells of different candidate access network devices. That is, in the case of conditional handover, the first AIoT information can include one or more first AIoT radio resource configurations, and each first AIoT radio resource configuration is associated with one or more candidate cells.

[0462] Optionally, the second AIoT information is carried in a handover request message, and the handover request message includes at least one recommended candidate cell, and at least part of the at least one recommended candidate cell supports the AIoT service in the case of conditional handover.

[0463] Optionally, the AIoT service information includes at least one of the following:

[0464] AIoT service request information;

[0465] AIoT service type information;

[0466] AIoT service associated command type;

[0467] second AIoT radio resource configuration, used to indicate AIoT radio resources configured by the first device for the terminal;

[0468] target cell identifier;

[0469] authorization information of the terminal;

[0470] a number of AIoT devices;

[0471] a period of performing the AIoT service;

[0472] a data size or a message size of data sent by the AIoT device to the terminal;

[0473] quality of service (QoS) information.

[0474] Optionally, the first AIoT radio resource configuration is determined based on the second AIoT radio resource configuration.

[0475] Optionally, in a case where the first device does not receive the third AIoT information, or the first device receives the third AIoT information and the third AIoT information does not contain the first AIoT radio resource configuration, the first AIoT information satisfies at least one of the following conditions:

[0476] the first AIoT information contains the enabling indication, and the enabling indication does not allow the terminal to perform the AIoT service or does not enable the AIoT function;

[0477] the first AIoT information contains AIoT operation indication information, and the AIoT operation indication information indicates that the terminal stops performing the AIoT service;

[0478] the first AIoT information does not contain the first AIoT radio resource configuration.

[0479] Optionally, the first sending module 1101 is further configured to send fourth AIoT information to a second device, and the fourth AIoT information includes at least one of the following:

[0480] AIoT scheduling indication information, used to indicate a step of the AIoT service;

[0481] an identifier of AIoT data transmission.

[0482] Optionally, the AIoT operation indication information includes at least one of the following:

[0483] indication information for suspending or continuing to perform the AIoT service during the handover;

[0484] indication information for continuing or restarting the AIoT service after the handover;

[0485] indication information for stopping performing the AIoT service.

[0486] Optionally, the handover processing apparatus 1100 further includes:

[0487] a first receiving module, configured to receive fifth AIoT information from a terminal;

[0488] wherein the fifth AIoT information comprises at least one of:

[0489] indication information for indicating that the AIoT service is ongoing;

[0490] information for requesting to switch the terminal to a cell that supports or allows the AIoT service;

[0491] preference information for performing the AIoT service;

[0492] second AIoT information.

[0493] Optionally, the fifth AIoT information is carried in a measurement report message.

[0494] Optionally, the first AIoT information is carried in a handover command or RRC reconfiguration message, the handover command or RRC reconfiguration message being used to trigger the terminal to perform a handover process, the handover command or RRC reconfiguration message comprising configurations of a target cell or at least one candidate cell, at least part of the at least one candidate cell supporting the AIoT service in case of conditional handover.

[0495] Optionally, the handover processing apparatus 1100 further comprises:

[0496] a first receiving module, configured to receive sixth AIoT information from the terminal;

[0497] wherein the sixth AIoT information comprises at least one of:

[0498] AIoT service handover indication, used to indicate a result of the AIoT service handover;

[0499] AIoT data;

[0500] AIoT radio resource requirement information.

[0501] Optionally, the sixth AIoT information is carried in a handover complete message or RRC reconfiguration complete message.

[0502] Optionally, the handover processing apparatus 1100 further comprises:

[0503] a first receiving module, configured to receive seventh AIoT information from a second device, the seventh AIoT information being used to indicate a result of the AIoT service handover.

[0504] Optionally, the first sending module 1101 is further configured to send fourth AIoT information to the second device in a case where the seventh AIoT information indicates that the AIoT service handover is successful, or in a case where the terminal is successfully switched.

[0505] The fourth AIoT information includes at least one of the following:

[0506] AIoT scheduling indication information, used for indicating the step of the AIoT service;

[0507] An identifier of AIoT data transmission.

[0508] Optionally, the seventh AIoT information is carried in a handover success message.

[0509] Optionally, the handover processing apparatus 1100 further includes:

[0510] A first receiving module, configured to receive eighth AIoT information from a second device, the eighth AIoT information being used for instructing the first device to release context information related to the AIoT service.

[0511] Referring to FIG. 12, when the handover processing apparatus is a network-side device or a component in the network-side device, the handover processing apparatus 1200 includes:

[0512] A second sending module 1201, configured to send third AIoT information to the first device;

[0513] The first device is a source access network device, the second device is a target access network device or a candidate access network device, and the third AIoT information includes at least one of the following:

[0514] Confirmation information, used for indicating that the second device accepts or rejects the terminal to perform the AIoT service;

[0515] First AIoT radio resource configuration, used for indicating AIoT radio resources configured by the second device for the terminal.

[0516] Optionally, the handover processing apparatus 1200 further includes a second receiving module, configured to receive second AIoT information from the first device, the second AIoT information being used for indicating AIoT service information of the terminal;

[0517] The first device is a source access network device.

[0518] Optionally, the second sending module 1201 is further configured to send third AIoT information to the first device;

[0519] The third AIoT information includes at least one of the following:

[0520] Confirmation information, used for indicating that the second device accepts or rejects the terminal to perform the AIoT service;

[0521] The first AIoT wireless resource configuration is used to indicate AIoT wireless resources configured by the second device for the terminal.

[0522] Optionally, the first AIoT wireless resource configuration is determined based on a second AIoT wireless resource configuration, and the second AIoT wireless resource configuration is used to indicate AIoT wireless resources configured by the first device for the terminal.

[0523] Optionally, the AIoT service information includes at least one of the following:

[0524] AIoT service request information;

[0525] AIoT service type information;

[0526] AIoT service associated command type;

[0527] The second AIoT wireless resource configuration is used to indicate AIoT wireless resources configured by the first device for the terminal.

[0528] Target cell identifier;

[0529] Authorization information of the terminal;

[0530] Number of AIoT devices;

[0531] Period of performing AIoT service;

[0532] Data size or message size sent by the AIoT device to the terminal;

[0533] Quality of service (QoS) information.

[0534] Optionally, the handover processing apparatus 1200 further includes a second receiving module configured to receive fourth AIoT information from the first device, and the fourth AIoT information includes at least one of the following:

[0535] AIoT scheduling indication information used to indicate the step of the AIoT service;

[0536] Identification of AIoT data transmission.

[0537] Optionally, the handover processing apparatus 1200 further includes a second receiving module configured to receive sixth AIoT information from the terminal.

[0538] The sixth AIoT information includes at least one of the following:

[0539] AIoT service handover indication used to indicate the result of the AIoT service handover;

[0540] AIoT data;

[0541] AIoT wireless resource requirement information.

[0542] Optionally, the switching processing apparatus 1200 further includes a second receiving module, configured to receive seventh AIoT information from the first device, the seventh AIoT information being used to indicate a result of the AIoT service switching.

[0543] Optionally, the switching processing apparatus 1200 further includes a second receiving module, configured to receive fourth AIoT information from the first device in a case that the seventh AIoT information indicates that the AIoT service switching is successful, or in a case that the terminal is successfully switched.

[0544] The fourth AIoT information includes at least one of:

[0545] AIoT scheduling indication information, used to indicate a step of the AIoT service;

[0546] An identifier of AIoT data transmission.

[0547] Optionally, the second sending module 1201 is further configured to send eighth AIoT information to the first device, the eighth AIoT information being used to instruct the first device to release context information related to the AIoT service.

[0548] Specifically, referring to FIG. 13, when the switching processing apparatus is a terminal or a component in the terminal, the switching processing apparatus 1300 includes:

[0549] A third receiving module 1301, configured to receive first AIoT information from a first device, the first AIoT information including at least one of:

[0550] First AIoT wireless resource configuration, used to indicate AIoT wireless resources configured for the terminal;

[0551] Enable indication, used to indicate whether the terminal is allowed to perform the AIoT service or whether the AIoT function is enabled;

[0552] AIoT operation indication information, used to indicate whether the terminal continues or stops performing the AIoT service during or after the switching;

[0553] The first device is a source access network device.

[0554] Optionally, the switching processing apparatus 1300 further includes:

[0555] An executing module, configured to stop performing the AIoT service in a case that the first AIoT information does not contain the first AIoT wireless resource configuration.

[0556] Optionally, the switching processing apparatus 1300 further includes:

[0557] a third sending module, configured to send fifth AIoT information to the first device;

[0558] The fifth AIoT information includes at least one of the following:

[0559] indication information indicating that the AIoT service is ongoing;

[0560] information for requesting to switch the terminal to a cell supporting or allowing the AIoT service;

[0561] preference information of performing the AIoT service;

[0562] second AIoT information, the second AIoT information being used to indicate AIoT service information of the terminal.

[0563] Optionally, the AIoT service information includes at least one of the following:

[0564] AIoT service request information;

[0565] AIoT service type information;

[0566] AIoT service associated command type;

[0567] second AIoT radio resource configuration, used to indicate AIoT radio resources configured by the first device for the terminal;

[0568] target cell identifier;

[0569] authorization information of the terminal;

[0570] number of AIoT devices;

[0571] period of performing the AIoT service;

[0572] data size or message size sent by the AIoT device to the terminal;

[0573] quality of service (QoS) information.

[0574] Optionally, the switching processing apparatus 1300 further includes:

[0575] a performing module, configured to perform conditional switching, and a target cell of the conditional switching is a candidate cell supporting the AIoT service.

[0576] Optionally, the switching processing apparatus 1300 further includes:

[0577] a third sending module, configured to send sixth AIoT information to the first device;

[0578] The sixth AIoT information includes at least one of the following:

[0579] An AIoT service switching indication, used to indicate a result of the AIoT service switching.

[0580] AIoT data.

[0581] AIoT wireless resource requirement information.

[0582] The switching processing apparatus provided by the embodiments of the present application can implement each process of the method embodiments of FIGS. 7 to 10 and achieve the same technical effects. To avoid repetition, details are not described herein.

[0583] As shown in FIG. 14, the embodiments of the present application further provide a communication device 1400, which includes a processor 1401 and a memory 1402, and the memory 1402 stores programs or instructions executable on the processor 1401. When the programs or instructions are executed by the processor 1401, each step of the above switching processing method embodiments is implemented, and the same technical effects can be achieved. To avoid repetition, details are not described herein.

[0584] The embodiments of the present application further provide a terminal, which includes a processor and a communication interface. The communication interface is coupled to the processor, and the processor is configured to run programs or instructions to implement the steps in the method embodiments shown in FIG. 10. The terminal embodiments correspond to the above terminal-side method embodiments. Each implementation process and implementation manner of the above method embodiments can be applied to the terminal embodiments, and the same technical effects can be achieved. The terminal can be the switching processing apparatus shown in FIG. 13. Specifically, FIG. 15 is a schematic diagram of a hardware structure of a terminal according to an embodiment of the present application.

[0585] The terminal 1500 includes, but is not limited to, at least part of the components such as a radio frequency unit 1501, a network module 1502, an audio output unit 1503, an input unit 1504, a sensor 1505, a display unit 1506, a user input unit 1507, an interface unit 1508, a memory 1509, and a processor 1510.

[0586] Those skilled in the art can understand that the terminal 1500 can further include a power supply (such as a battery) for supplying power to each component. The power supply can be logically connected to the processor 1510 through a power management system, so as to realize functions such as power management, discharge management, and power consumption management through the power management system. The terminal structure shown in FIG. 15 does not constitute a limitation on the terminal. The terminal can include more or fewer components than those shown in the figure, or combine certain components, or have different component arrangements, which are not described herein.

[0587] It should be understood that in the embodiments of the present application, the input unit 1504 can include a graphics processor 15041 and a microphone 15042, and the graphics processor 15041 processes image data of a still picture or a video obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. The display unit 1506 can include a display panel 15061, which can be configured in the form of a liquid crystal display, an organic light-emitting diode, etc. The user input unit 1507 includes at least one of a touch panel 15071 and other input devices 15072. The touch panel 15071 is also called a touch screen. The touch panel 15071 can include two parts of a touch detection device and a touch controller. The other input devices 15072 can include, but are not limited to, a physical keyboard, function keys (such as volume control keys, on-off keys, etc.), a trackball, a mouse, a joystick, and the like, which will not be described here.

[0588] In the embodiments of the present application, after the radio frequency unit 1501 receives the downlink data from the network side device, it can be transmitted to the processor 1510 for processing. In addition, the radio frequency unit 1501 can send uplink data to the network side device. Generally, the radio frequency unit 1501 includes, but is not limited to, an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.

[0589] The memory 1509 can be used to store software programs or instructions and various data. The memory 1509 can mainly include a first storage area storing programs or instructions and a second storage area storing data, wherein the first storage area can store an operating system, application programs or instructions required by at least one function (such as a sound playing function, an image playing function, etc.), and the like. In addition, the memory 1509 can include a volatile memory or a non-volatile memory. The non-volatile memory can be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically EPROM (EEPROM), or a flash memory. The volatile memory can be a Random Access Memory (RAM), a Static RAM (SRAM), a Dynamic RAM (DRAM), a Synchronous DRAM (SDRAM), a Double Data Rate SDRAM (DDR SDRAM), an Enhanced SDRAM (ESDRAM), a Synch link DRAM (SLDRAM), and a Direct Rambus RAM (DRRAM). The memory 1509 in the embodiments of the present application includes but is not limited to these and any other suitable types of memory.

[0590] The processor 1510 can include one or more processing units; optionally, the processor 1510 integrates an application processor and a modem processor, wherein the application processor mainly processes operations related to an operating system, a user interface, and an application program, and the modem processor mainly processes wireless communication signals, such as a baseband processor. It can be understood that the above-mentioned modem processor can also not be integrated into the processor 1510.

[0591] The radio frequency unit 1501 is configured to receive first AIoT information from the first device, wherein the first AIoT information includes at least one of the following:

[0592] The first AIoT radio resource configuration is used to indicate the AIoT radio resource configured for the terminal;

[0593] The enabling indication is used to indicate whether the terminal is allowed to perform AIoT service or whether the AIoT function is enabled.

[0594] AIoT operation indication information, used for instructing the terminal to continue or stop performing the AIoT service during or after the handover;

[0595] The first device is a source access network device.

[0596] It can be understood that the implementation processes of the implementation manners mentioned in the embodiments can refer to the related descriptions of the terminal side method embodiments and achieve the same or corresponding technical effects. To avoid repetition, they will not be described here again.

[0597] The embodiments of the application further provide a network side device, which comprises a processor and a communication interface, the communication interface and the processor are coupled, and the processor is used to run programs or instructions to realize the steps of the method embodiments shown in FIG. 7 or FIG. 9. The network side device embodiments correspond to the network side device method embodiments described above, and each implementation process and implementation manner of the method embodiments described above can be applied to the network side device embodiments and can achieve the same technical effects.

[0598] Specifically, the embodiments of the application further provide a network side device, which can be the handover processing apparatus shown in FIG. 11 or FIG. 12. As shown in FIG. 16, the network side device 1600 comprises an antenna 1601, a radio frequency device 1602, a baseband device 1603, a processor 1604 and a memory 1605. The antenna 1601 is connected with the radio frequency device 1602. In the uplink direction, the radio frequency device 1602 receives information through the antenna 1601 and sends the received information to the baseband device 1603 for processing. In the downlink direction, the baseband device 1603 processes the information to be sent and sends it to the radio frequency device 1602, and the radio frequency device 1602 processes the received information and sends it out through the antenna 1601.

[0599] The method performed by the network side device in the above embodiments can be implemented in the baseband device 1603, which comprises a baseband processor.

[0600] The baseband device 1603 may, for example, comprise at least one baseband board, and a plurality of chips are arranged on the baseband board, as shown in FIG. 16, one of the chips is a baseband processor, which is connected with the memory 1605 through a bus interface to call the programs in the memory 1605 and perform the operations of the network side device shown in the above method embodiments.

[0601] The network side device may further comprise a network interface 1606, which is, for example, a common public radio interface (CPRI).

[0602] Specifically, the network side device 1600 in the embodiments of the present application further includes instructions or programs stored on the storage 1605 and executable on the processor 1604, the processor 1604 invokes the instructions or programs in the storage 1605 to perform the method performed by each module shown in FIG. 11 or FIG. 12, and achieves the same technical effects. To avoid repetition, details are not described herein.

[0603] The embodiments of the present application further provide a readable storage medium, the readable storage medium stores programs or instructions, the programs or instructions are executed by a processor to implement each process of the above-mentioned switching processing method embodiments, and the same technical effects can be achieved. To avoid repetition, details are not described herein.

[0604] The processor is the processor in the terminal in the above-mentioned embodiments. The readable storage medium includes a computer readable storage medium, such as a computer readable only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, etc. In some examples, the readable storage medium can be a non-transitory readable storage medium.

[0605] The embodiments of the present application further provide a chip, the chip includes a processor and a communication interface, the communication interface and the processor are coupled, the processor is used to run programs or instructions to implement each process of the above-mentioned switching processing method embodiments, and the same technical effects can be achieved. To avoid repetition, details are not described herein.

[0606] It should be understood that the chip mentioned in the embodiments of the present application can also be referred to as a system chip, a system chip, a chip system or a system on chip, etc.

[0607] The embodiments of the present application further provide a computer program / program product, the computer program / program product includes computer instructions, the computer program / program product is executed by at least one processor to implement each process of the above-mentioned switching processing method embodiments, and the same technical effects can be achieved. To avoid repetition, details are not described herein.

[0608] The embodiments of the present application further provide a wireless communication system, including a terminal, a first device and a second device, the terminal can be used to execute the steps of the switching processing method of the terminal side as described above, the first device can be used to execute the steps of the switching processing method of the first device side as described above, and the second device can be used to execute the steps of the switching processing method of the second device side as described above.

[0609] It should be noted that, in the present document, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a", "comprising", or the like does not, without more constraints, preclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element. Furthermore, it is to be understood that the methods and apparatuses of the present application can be carried out by specific hardware, by software, or by a combination of hardware and software. It is therefore, contemplated to this patent to cover any and all modifications, variations, or equivalents that fall within the scope of the present application. Accordingly, where a concept can have been illustrated in only one of the exemplary embodiments, various aspects of the concept can be modified and / or combined to produce a variety of other embodiments that are not specifically illustrated. Thus, for purposes of describing particular embodiments, reference has been made to orientations. However, it is to be understood that the teachings of this patent are not limited in their application to any one of the mentioned orientations, but are applicable to any assembly having the features currently described or hereinafter ascertained.

[0610] From the above description of the embodiments, it is apparent that the method of the above-mentioned embodiments can be realized by means of a computer software product and a general hardware platform as necessary, of course, also by hardware. The computer software product is stored in a storage medium (such as ROM, RAM, magnetic disc, optical disc, etc.), and includes a plurality of instructions for making a terminal or a network side device execute the method described in each embodiment of the present application.

[0611] The embodiments of the present application are described above in conjunction with the drawings, but the present application is not limited to the above-mentioned specific embodiments, and the above-mentioned specific embodiments are only illustrative, but not restrictive. A person of ordinary skill in the art can make many forms of embodiments under the inspiration of the present application without departing from the scope of the present application and the protection scope of the claims, and these embodiments all belong to the protection scope of the present application.

Claims

1. A handover processing method, wherein, Comprising: The first device sends first AIoT information to the terminal, the first AIoT information comprising at least one of: First AIoT radio resource configuration, used to indicate AIoT radio resources configured for the terminal; Enable indication, used to indicate whether the terminal is allowed to perform AIoT service or whether AIoT function is enabled; AIoT operation indication information, used to indicate the terminal to continue or stop performing AIoT service during or after handover; Wherein, the first device is a source access network device.

2. The method of claim 1, wherein, Before the first device sends the first AIoT information to the terminal, the method further comprises: The first device sends second AIoT information to the second device, the second AIoT information being used to indicate AIoT service information of the terminal; Wherein, the second device is a target access network device or a candidate access network device.

3. The method of claim 2, wherein, After the first device sends the second AIoT information to the second device, the method further comprises: The first device receives third AIoT information from the second device; Wherein, the third AIoT information comprises at least one of: Confirmation information, used to indicate that the second device accepts or rejects the terminal to perform AIoT service; The first AIoT radio resource configuration.

4. The method of claim 3, wherein, The third AIoT information is carried in a handover request confirmation message, the handover request confirmation message comprising configuration of a target cell or at least one candidate cell, at least part of the at least one candidate cell supporting AIoT service in the case of conditional handover.

5. The method of claim 2, wherein, The second AIoT information is carried in a handover request message, the handover request message comprising at least one recommended candidate cell, at least part of the at least one recommended candidate cell supporting AIoT service in the case of conditional handover.

6. The method of claim 2, wherein, The AIoT service information comprises at least one of: AIoT service request information; AIoT service type information; AIoT service associated command type; Second AIoT radio resource configuration, used to indicate AIoT radio resources configured for the terminal by the first device; Target cell identifier; Authorization information of the terminal; Number of AIoT devices; Period of performing AIoT service; Data size or message size sent by AIoT device to the terminal; Quality of service (QoS) information.

7. The method of claim 3, wherein, In the case that the first device does not receive the third AIoT information, or the first device receives the third AIoT information and the third AIoT information does not contain the first AIoT radio resource configuration, the first AIoT information satisfies at least one of: The first AIoT information contains the enable indication, which does not allow the terminal to perform AIoT service or does not enable AIoT function; The first AIoT information contains AIoT operation indication information, which indicates the terminal to stop performing AIoT service; The first AIoT information does not contain the first AIoT radio resource configuration.

8. The method according to any one of claims 1 to 7, wherein, The method further comprises: The first device sends fourth AIoT information to the second device, and the fourth AIoT information includes at least one of the following: AIoT scheduling indication information for indicating the AIoT service; An identifier of AIoT data transmission.

9. The method according to any one of claims 1 to 8, wherein, The AIoT operation indication information includes at least one of the following: Indication information for suspending or continuing to perform the AIoT service during switching; Indication information for continuing or restarting the AIoT service after switching; Indication information for stopping performing the AIoT service.

10. The method according to any one of claims 1 to 9, wherein, The method further includes: The first device receives fifth AIoT information from the terminal; The fifth AIoT information includes at least one of the following: Indication information for indicating that the AIoT service is ongoing; Information for requesting to switch the terminal to a cell that supports or allows the AIoT service; Preference information for performing the AIoT service; Second AIoT information.

11. The method of claim 10, wherein, The fifth AIoT information is carried in a measurement report message.

12. The method according to any one of claims 1 to 11, wherein, The first AIoT information is carried in a handover command or RRC reconfiguration message, the handover command or RRC reconfiguration message is used to trigger the terminal to perform a handover process, and the handover command or RRC reconfiguration message includes configurations of a target cell or at least one candidate cell, at least part of the at least one candidate cell supports the AIoT service in the case of conditional handover.

13. The method according to any one of claims 1 to 12, wherein, The method further includes: The first device receives sixth AIoT information from the terminal; The sixth AIoT information includes at least one of the following: AIoT service switching indication for indicating a result of the AIoT service switching; AIoT data; AIoT radio resource requirement information.

14. The method of claim 13, wherein, The sixth AIoT information is carried in a handover complete message or RRC reconfiguration complete message.

15. The method according to any one of claims 1 to 12, wherein, The method further includes: The first device receives seventh AIoT information from the second device, and the seventh AIoT information is used to indicate a result of the AIoT service switching.

16. The method of claim 15, wherein, The method further includes: In a case where the seventh AIoT information indicates that the AIoT service switching is successful, or in a case where the terminal is successfully switched, the first device sends fourth AIoT information to the second device; The fourth AIoT information includes at least one of the following: AIoT scheduling indication information for indicating the AIoT service; An identifier of AIoT data transmission.

17. The method of claim 15 or 16, wherein, The seventh AIoT information is carried in a handover success message.

18. The method of claim 1, wherein, The method further includes: The first device receives eighth AIoT information from the second device, and the eighth AIoT information is used to instruct the first device to release context information related to the AIoT service.

19. A handover processing method, wherein, The method further includes: The second device sends third AIoT information to the first device; The first device is a source access network device, and the second device is a target access network device or a candidate access network device, and the third AIoT information includes at least one of the following: Confirmation information for indicating that the second device accepts or rejects the terminal to perform the AIoT service; The first AIoT wireless resource configuration is used to indicate AIoT wireless resources configured by the second device for the terminal.

20. The method of claim 19, wherein, Before the second device sends the third AIoT information to the first device, the method further comprises: The second device receives second AIoT information from the first device, wherein the second AIoT information is used to indicate AIoT service information of the terminal.

21. The method of any one of claims 19 or 20, wherein, The AIoT service information comprises at least one of: AIoT service request information; AIoT service type information; AIoT service associated command type; Second AIoT wireless resource configuration, which is used to indicate AIoT wireless resources configured by the first device for the terminal; Target cell identifier; Authorization information of the terminal; Number of AIoT devices; Period of performing AIoT service; Data size or message size sent by the AIoT device to the terminal; Quality of service (QoS) information.

22. The method of any one of claims 19 to 21, wherein, The method further comprises: The second device receives fourth AIoT information from the first device, wherein the fourth AIoT information comprises at least one of: AIoT scheduling indication information, which is used to indicate steps of the AIoT service; Identification of AIoT data transmission.

23. The method of any one of claims 19 to 22, wherein, The method further comprises: The second device receives sixth AIoT information from the terminal; The sixth AIoT information comprises at least one of: AIoT service switching indication, which is used to indicate a result of AIoT service switching; AIoT data; AIoT wireless resource requirement information.

24. The method of any one of claims 19 to 23, wherein, The method further comprises: The second device receives seventh AIoT information from the first device, wherein the seventh AIoT information is used to indicate a result of the AIoT service switching.

25. The method of claim 24, wherein, The method further comprises: In a case where the seventh AIoT information indicates that the AIoT service switching is successful or in a case where the terminal is successfully switched, the second device receives fourth AIoT information from the first device; The fourth AIoT information comprises at least one of: AIoT scheduling indication information, which is used to indicate steps of the AIoT service; Identification of AIoT data transmission.

26. The method of claim 19, wherein, The method further comprises: The second device sends eighth AIoT information to the first device, wherein the eighth AIoT information is used to instruct the first device to release context information related to the AIoT service.

27. A handover processing method, wherein, The method further comprises: The terminal receives first AIoT information from the first device, wherein the first AIoT information comprises at least one of: First AIoT wireless resource configuration, which is used to indicate AIoT wireless resources configured for the terminal; Enable indication, which is used to indicate whether the terminal is allowed to perform AIoT service or whether AIoT function is enabled; AIoT operation indication information, which is used to instruct the terminal to continue or stop performing AIoT service during or after switching; The first device is a source access network device.

28. The method of claim 27, wherein, The method further comprises: In a case where the first AIoT information does not contain the first AIoT wireless resource configuration, the terminal performs at least one of the following operations: Suspends or stops performing the AIoT service; Release the configured AIoT radio resource configuration.

29. The method of claim 27 or 28, wherein, The method further includes: The terminal sends fifth AIoT information to the first device; The fifth AIoT information includes at least one of the following: Indication information for indicating that AIoT service is ongoing; Information for requesting to switch the terminal to a cell that supports or allows AIoT service; Preference information for performing AIoT service; Second AIoT information for indicating AIoT service information of the terminal.

30. The method of claim 29, wherein, The AIoT service information includes at least one of the following: AIoT service request information; AIoT service type information; AIoT service associated command type; Second AIoT radio resource configuration for indicating AIoT radio resource configured by the first device to the terminal; Target cell identification; Authorization information of the terminal; Number of AIoT devices; Period for performing AIoT service; Data size or message size sent by the AIoT device to the terminal; Quality of service (QoS) information.

31. The method of any one of claims 27 to 30, wherein, The method further includes: The terminal performs conditional handover, and a target cell of the conditional handover is a candidate cell that supports AIoT service.

32. The method of any one of claims 27 to 31, wherein, The method further includes: The terminal sends sixth AIoT information to a second device; The sixth AIoT information includes at least one of the following: AIoT service handover indication for indicating a result of the AIoT service handover; AIoT data; AIoT radio resource requirement information.

33. A handover processing apparatus, wherein, Comprise: A first sending module for sending first AIoT information to a terminal, the first AIoT information including at least one of the following: First AIoT radio resource configuration for indicating AIoT radio resource configured to the terminal; Enable indication for indicating whether to allow the terminal to perform AIoT service or whether to enable AIoT function; AIoT operation indication information for indicating the terminal to continue or stop performing AIoT service during or after handover.

34. The apparatus of claim 33, wherein, The first sending module is further configured to send second AIoT information to a second device, the second AIoT information for indicating AIoT service information of the terminal; The second device is a target access network device or a candidate access network device.

35. The apparatus of claim 34, wherein, Further comprise: A first receiving module for receiving third AIoT information from the second device; The third AIoT information includes at least one of the following: Confirmation information for indicating that the second device accepts or rejects the terminal to perform AIoT service; The first AIoT radio resource configuration.

36. A handover processing apparatus, wherein, Comprise: A second sending module for sending third AIoT information to a first device; The first device is a source access network device, and the second device is a target access network device or a candidate access network device, and the third AIoT information includes at least one of the following: Confirmation information for indicating that the second device accepts or rejects the terminal to perform AIoT service; First AIoT radio resource configuration for indicating AIoT radio resource configured by the second device to the terminal.

37. The apparatus of claim 36, wherein, Further comprise: The second receiving module is configured to receive second AIoT information from the first device, the second AIoT information being used to indicate AIoT service information of the terminal.

38. A handover processing apparatus, wherein, The method comprises: The third receiving module is configured to receive first AIoT information from the first device, the first AIoT information comprising at least one of: First AIoT radio resource configuration, used to indicate AIoT radio resources configured for the terminal; Enabling indication, used to indicate whether the terminal is allowed to perform AIoT service or whether AIoT function is enabled; AIoT operation indication information, used to indicate the terminal to continue or stop performing AIoT service during or after the handover; The first device is a source access network device.

39. The apparatus of claim 38, wherein, The method further comprises: The execution module is configured to, in a case where the first AIoT information does not contain the first AIoT radio resource configuration, stop performing the AIoT service.

40. A network-side device, wherein, The apparatus comprises a processor and a memory, the memory storing programs or instructions executable on the processor, the programs or instructions being executed by the processor to implement the steps of the handover processing method according to any one of claims 1 to 26.

41. A terminal, wherein, The apparatus comprises a processor and a memory, the memory storing programs or instructions executable on the processor, the programs or instructions being executed by the processor to implement the steps of the handover processing method according to any one of claims 27 to 32.

42. A readable storage medium, wherein, The readable storage medium stores programs or instructions, the programs or instructions being executed by the processor to implement the steps of the handover processing method according to any one of claims 1 to 32.

43. A computer program product, wherein, The computer instructions are executed by the processor to implement the steps of the handover processing method according to any one of claims 1 to 32.

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