Terminal identification method, apparatus, device, storage medium and computer program product

Abstract

The application discloses a terminal identification method, device, equipment, storage medium and computer program product. The method comprises the following steps: determining whether a current terminal is a low-altitude terminal; the low-altitude terminal represents a terminal in a low-altitude network coverage area; in the case that it is determined that the current terminal is a low-altitude terminal, determining a terminal type of the low-altitude terminal; sending the terminal type of the low-altitude terminal to a second base station, so that the second base station provides different low-altitude network services for low-altitude terminals of different terminal types based on the terminal type of the low-altitude terminal; the low-altitude terminal is switched from a first base station to the second base station, the first base station represents a source base station, and the second base station represents a target base station.

Description

Technical Field

[0001] This application relates to the field of wireless communication technology, and in particular to a terminal identification method, apparatus, device, storage medium, and computer program product. Background Technology

[0002] With the continuous development of the low-altitude economy, operators are actively promoting the construction of 5G (5th Generation Mobile Communication Technology) low-altitude communication networks to support its development. In practical applications, to meet the needs of specific low-altitude users and services, 5G low-altitude communication networks need to identify the identity of currently flying terminals at low altitudes.

[0003] In related technologies, since the current low-altitude communication network in the near-ground area is mainly covered by base stations by adjusting the beam angle, low-altitude terminals are easily confused with non-low-altitude users in high-rise buildings. The 5G low-altitude communication network may still provide network services to the misidentified non-low-altitude users, resulting in a waste of network resources and thus failing to ensure the service guarantee of low-altitude terminals. Summary of the Invention

[0004] To address the technical problems existing in related technologies, embodiments of this application provide a terminal identification method, apparatus, device, storage medium, and computer program product.

[0005] To achieve the above objectives, the technical solution of this application embodiment is implemented as follows:

[0006] In a first aspect, embodiments of this application provide a terminal identification method applied to a first base station, the method comprising:

[0007] Determine whether the current terminal is a low-altitude terminal; a low-altitude terminal is a terminal located in a low-altitude network coverage area.

[0008] If it is determined that the current terminal is a low-altitude terminal, then determine the terminal type of the low-altitude terminal;

[0009] The terminal type of the low-altitude terminal is sent to the second base station so that the second base station provides different low-altitude network services for low-altitude terminals of different terminal types based on the terminal type of the low-altitude terminal; the low-altitude terminal is switched from the first base station to the second base station, where the first base station represents the source base station and the second base station represents the target base station.

[0010] Secondly, embodiments of this application also provide a terminal identification device applied to a first base station, the device comprising:

[0011] The first determining unit is used to determine whether the current terminal is a low-altitude terminal; the low-altitude terminal represents a terminal located in a low-altitude network coverage area.

[0012] The second determining unit is used to determine the terminal type of the low-altitude terminal when the first determining unit determines that the current terminal is a low-altitude terminal.

[0013] The first transmitting unit is used to transmit the terminal type of the low-altitude terminal to the second base station, so that the second base station provides different low-altitude network services for low-altitude terminals of different terminal types based on the terminal type of the low-altitude terminal; the low-altitude terminal is switched from the first base station to the second base station, the first base station represents the source base station, and the second base station represents the target base station.

[0014] Thirdly, embodiments of this application also provide a terminal identification device, including: a processor and a memory for storing a computer program capable of running on the processor;

[0015] When the processor runs the computer program, it executes the steps of the terminal identification method described in the embodiments of this application.

[0016] Fourthly, embodiments of this application also provide a storage medium storing a computer program thereon, which, when executed by a processor, implements the steps of the terminal identification method described in embodiments of this application.

[0017] Fifthly, embodiments of this application also provide a computer program product, including a computer program that, when executed by a processor, implements the steps of the terminal identification method described in embodiments of this application.

[0018] The terminal identification method, apparatus, device, storage medium, and computer program product provided in this application embodiment determine whether the current terminal is a low-altitude terminal; the low-altitude terminal represents a terminal located in a low-altitude network coverage area; if the current terminal is determined to be a low-altitude terminal, the terminal type of the low-altitude terminal is determined; the terminal type of the low-altitude terminal is sent to a second base station, so that the second base station provides different low-altitude network services for low-altitude terminals of different terminal types based on the terminal type of the low-altitude terminal; the low-altitude terminal is switched from the first base station to the second base station, where the first base station represents the source base station and the second base station represents the target base station. The technical solution of this application embodiment determines whether a low-altitude terminal has entered a low-altitude network coverage area by judging the low-altitude terminal. When it is determined that the current terminal has entered a low-altitude network coverage area, the terminal type of the low-altitude terminal is further distinguished and the terminal type is informed to the second base station. The second base station then provides different low-altitude network services for low-altitude terminals of different terminal types. In this way, the problem of misidentifying non-low-altitude users in high-rise buildings can be avoided. Low-altitude network services are only provided to low-altitude terminals, and the method of providing low-altitude network services is determined according to the terminal type of the low-altitude terminal, making full use of network resources and thus ensuring the service guarantee of low-altitude terminals. Attached Figure Description

[0019] Figure 1 This is a flowchart illustrating the terminal identification method according to an embodiment of this application;

[0020] Figure 2 This is a schematic diagram of the interaction process of the terminal identification method according to an embodiment of this application;

[0021] Figure 3 This is a schematic diagram of the composition structure of the terminal identification device according to an embodiment of this application;

[0022] Figure 4 This is a schematic diagram of the hardware composition structure of the terminal identification device according to an embodiment of this application. Detailed Implementation

[0023] Before providing a detailed description of the embodiments of this application, the solutions of related technologies will be described in detail first.

[0024] The low-altitude economy is a comprehensive economic model, specifically referring to a comprehensive economic model within a vertical altitude range below 1000 meters, driven by various low-altitude flight activities of manned and unmanned civil aircraft, and promoting the integrated development of related fields. In other words, the low-altitude economy centers on low-altitude flight activities, involving various aircraft products such as drones, electric vertical take-off and landing (eVTOL) aircraft (also known as flying cars), and helicopters, as well as application scenarios such as agricultural and forestry plant protection, power line inspection, aerial sightseeing, and medical rescue.

[0025] The development of the low-altitude economy can not only promote the construction of related infrastructure, but also play an important role in many fields such as industry, agriculture, and services. Therefore, with the continuous development of the low-altitude economy, operators are actively promoting the construction of 5G low-altitude communication networks to support its development.

[0026] Unlike traditional cellular communication networks, low-altitude communication networks have higher construction and operation costs. Therefore, operators will design tiered billing models based on factors such as construction costs, usage scenarios, service quality requirements, and data transmission volume. For example, different drone application scenarios, such as logistics delivery, agricultural monitoring, and aerial patrol, may adopt different billing strategies based on their varying network performance requirements (such as speed, latency, and reliability). Furthermore, tiered billing may also involve the allocation of network capacity to ensure that high-priority users or applications receive the necessary network resources and service guarantees.

[0027] Low-altitude terminal services are mainly divided into two categories: flight control and data transmission, and traditional ToC (To Consumer) services (also known as 2C services). These correspond to the control and data transmission services for all aircraft and the 2C services for passengers in manned flights, respectively. The support requirements for different service types will vary. To meet the support needs of specific low-altitude users and specific low-altitude services, it is necessary to identify and differentiate between To Business (2B) and To Consumer (2C) users.

[0028] Currently, 5G low-altitude communication networks mainly use the following 3GPP standard method for identification: IoT terminals (such as aircraft) report UAV (Unmanned Aerial Vehicle) capabilities. Among them, UAV capabilities include user equipment (UE) capabilities, flight information, measurement enhancement, information interaction, etc. After the aircraft reports UAV capabilities, the base station and the core network jointly verify and obtain UE-related information, and perform relevant service billing for the UE to provide corresponding network services.

[0029] However, during the identification process described above, since the current low-altitude communication network in the near-ground area is mainly covered by base stations by adjusting the beam angle, low-altitude terminals are easily confused with non-low-altitude users in high-rise buildings. The 5G low-altitude communication network (also known as the low-altitude network) may still provide network services to the misidentified non-low-altitude users, resulting in a waste of network resources and thus failing to ensure the service guarantee of low-altitude terminals.

[0030] Based on this, this application proposes a terminal identification method. In various embodiments of this application, by judging the low-altitude terminal, it is determined whether the current terminal has entered the low-altitude network coverage area. When it is determined that the current terminal has entered the low-altitude network coverage area, the terminal type of the low-altitude terminal is further distinguished, and the terminal type is informed to the second base station. The second base station provides different low-altitude network services for low-altitude terminals of different terminal types. In this way, the problem of misidentifying non-low-altitude users in high-rise buildings can be avoided. Low-altitude network services are only provided to low-altitude terminals, and the method of providing low-altitude network services is determined according to the terminal type of the low-altitude terminal, making full use of network resources and thus ensuring the service guarantee of low-altitude terminals.

[0031] The present application will now be described in further detail with reference to the accompanying drawings and embodiments.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

[0033] This application provides a terminal identification method, which is applied to a first base station, where the first base station represents the source base station. Figure 1 This is a flowchart illustrating the terminal identification method according to an embodiment of this application; as shown Figure 1 As shown, the terminal identification method includes:

[0034] Step 101: Determine whether the current terminal is a low-altitude terminal.

[0035] In this application embodiment, the low-altitude terminal represents a terminal located within the low-altitude network coverage area. This can be understood as confirming whether the current terminal has accessed the low-altitude network. However, since the low-altitude network in the near-ground area is mainly covered by base stations adjusting beam angles, low-altitude terminals are easily confused with non-low-altitude users in high-rise buildings, causing billing confusion. That is, the low-altitude network may still provide network services to misidentified non-low-altitude users, resulting in a waste of network resources and failing to ensure service guarantees for low-altitude terminals. To solve this technical problem, this application embodiment proposes at least one method for confirming low-altitude terminals.

[0036] In practical applications, the first base station can identify low-altitude terminals based on the Physical Cell Identifier (PCI) of the cell.

[0037] Based on this, in one embodiment, determining whether the current terminal is a low-altitude terminal includes:

[0038] Based on the PCI of the cell accessed by the current terminal, it is determined whether the cell accessed by the current terminal is the target cell; the target cell represents a cell that can provide low-altitude network coverage service; if the cell accessed by the current terminal is the target cell, the current terminal is determined to be a low-altitude terminal.

[0039] Here, before determining whether the current terminal is a low-altitude terminal, the first base station can first obtain the PCI of the cell to which the current terminal is accessing. The PCI of the cell to which the current terminal is accessing is used to determine whether the access cell can provide low-altitude network coverage services. When it is determined based on the PCI of the cell to which the current terminal is accessing that the access cell can provide low-altitude network coverage services, the access cell is confirmed as the target cell. At this time, the current terminal can be determined to be a low-altitude terminal.

[0040] In practical applications, the first base station can also identify low-altitude terminals through inter-base station beam joint detection.

[0041] Based on this, in another embodiment, determining whether the current terminal is a low-altitude terminal includes:

[0042] After the current terminal is connected to the first beam, it is determined whether the current terminal meets the set conditions within a set time period; the first beam represents the beam that provides air coverage.

[0043] If the current terminal meets the set conditions, the current terminal is determined to be a low-altitude terminal.

[0044] Here, the time period can be represented by T. The specific value of the time period T can be set by the first base station based on the network environment. This embodiment of the application does not limit it.

[0045] Here, after the current terminal accesses the beam that covers the airspace (i.e., the first beam), in order to distinguish between non-low-altitude users and low-altitude terminal users in high-rise buildings, this application embodiment adopts a joint confirmation method of inter-base station beams. Specifically, after the current terminal accesses the beam that covers the airspace, it can be determined that the current terminal is a low-altitude terminal only if the current terminal meets the set conditions within a certain time period T.

[0046] In one embodiment, determining whether the current terminal meets the set conditions includes:

[0047] If the signal strength change value of the Reference Signal Receiving Power (RSRP) of the current terminal exceeds a set threshold, and the current terminal switches to an adjacent target cell, the current terminal is determined to meet the set conditions.

[0048] The signal strength change value of RSRP is determined based on the measurement report reported by the current terminal, and the neighboring target cell represents a neighboring cell that can provide low-altitude network coverage service.

[0049] Here, the current terminal meets two conditions: the first condition is that the RSRP signal strength change value exceeds a set threshold, and the second condition is that the current terminal switches to an adjacent cell that can provide low-altitude network coverage. In other words, in this embodiment, both conditions must be met simultaneously to determine that the current terminal is a low-altitude terminal. The set threshold can be set according to actual needs, and this embodiment does not limit it.

[0050] Here, for the first condition, the first base station needs to obtain the measurement reports (which are the measured values ​​of RSRP signal strength for the current terminal) reported by the current terminal in the last two (e.g., two consecutive) transactions. The base station then calculates the change in RSRP signal strength based on these measurements. If this change exceeds a certain threshold (a set threshold), the first condition is considered met. For the second condition, if the current terminal switches to an adjacent target cell, and that adjacent target cell can provide low-altitude network coverage, then the second condition is considered met.

[0051] Step 102: If it is determined that the current terminal is a low-altitude terminal, determine the terminal type of the low-altitude terminal.

[0052] Here, the terminal type of the low-altitude terminal can include aircraft terminals and ToC terminals. In practical applications, due to the differences in the services provided by the low-altitude network for these two types of terminals, resulting in different billing methods, the service price of aircraft terminals is higher than that of ToC terminals. In the current low-altitude network, some non-standard low-altitude aircraft terminals choose to place the ToC terminal user card on the aircraft terminal for low-altitude flight operations in order to save costs. However, this may create loopholes in aircraft supervision. To avoid such non-standard operations, this application proposes an interactive non-standard terminal identification and verification method.

[0053] In practical applications, the International Mobile Equipment Identity (IMEI) is a globally unique identifier used to identify mobile devices. It is information that can uniquely represent a mobile device, so different types of mobile devices can be distinguished by IMEI information.

[0054] Based on this, in one embodiment, determining the terminal type of the low-altitude terminal includes:

[0055] Receive the third information reported by the current terminal; the third information represents IMEI information; based on the third information, determine the terminal type of the low-altitude terminal.

[0056] Here, since both normally operating aircraft terminals and ToC terminals have IMEI identifiers, some non-standard operating terminals cannot report because they do not have the IMEI identifier, and the identifier information reported by others may not be true. Therefore, this application embodiment urgently needs the first base station to distinguish the terminal type of low-altitude terminals based on the IMEI identifier.

[0057] In practical applications, before the first base station receives the third information reported by the current terminal, the current terminal triggers the reporting of the third information when accessing the low-altitude network.

[0058] Based on this, in one embodiment, when the current terminal accesses the low-altitude network, the third information is triggered for reporting in one of the following ways:

[0059] Broadcast message; the broadcast message includes indication information for instructing the current terminal to report the third information;

[0060] The notification message from the first base station; the notification message from the first base station is used to instruct the current terminal to report the third information.

[0061] Here, in low-altitude network coverage, the air beam near the ground and the beam covering the ground cover the air and ground respectively. Normally, terminals accessing the ground network do not need to trigger IMEI reporting; however, terminals accessing the air beam do need to trigger IMEI reporting. Therefore, triggering the reporting of third-party information via broadcast messages can be divided into the following two cases:

[0062] The first scenario is: the ground base station covers both the ground network and the air network. For terminals accessing the air beam, an instruction can be added to the broadcast message to indicate that the current terminal should report the third information (i.e., the IMEI identifier). For example, the instruction to indicate that the current terminal should report the IMEI identifier can be added to the broadcast system message. Specifically, a field can be added to messages related to cell measurement, such as System Information Block (SIB) 11 or SIB 17, and this field can be used to instruct the current terminal to report the IMEI identifier.

[0063] Examples of added fields are shown in Table 1 below:

[0064]

[0065] Table 1

[0066] The second scenario is where the ground base station only covers the air network. In this case, all beams need to have a field added to indicate the third information (i.e., IMEI identifier) ​​reported by the current terminal. It should be noted that the fields added in this scenario are similar to those in the first scenario; please refer to Table 1 for clarification.

[0067] Here, after the current terminal accesses the low-altitude network, it can also be triggered to report third information through the notification message of the first base station. Specifically, the current terminal can be triggered to report third information (i.e., IMEI identifier) ​​through downlink control signaling, while specifying the reporting location and content.

[0068] In one embodiment, the method further includes sending a notification message to the current terminal.

[0069] In practical applications, in one embodiment, sending a notification message to the current terminal includes one of the following:

[0070] A notification message is sent to the current terminal via downlink control information (DCI) in the Physical Downlink Control Channel (PDCCH).

[0071] The notification message is sent to the current terminal through the Medium Access Control (MAC) layer control unit.

[0072] In one embodiment, after determining the terminal type of the low-altitude terminal based on the third information, the method further includes:

[0073] Based on the terminal type of the low-altitude terminal, the identity of the low-altitude terminal is verified to obtain a second verification result.

[0074] In practical applications, after the first base station confirms the terminal type of the low-altitude terminal based on the third information (i.e., IMEI identifier) ​​reported by the current terminal, further identity verification is required for the identified ToC terminal.

[0075] Based on this, in one embodiment, the terminal type of the low-altitude terminal includes aircraft terminals and ToC terminals; the step of verifying the identity of the low-altitude terminal based on its terminal type to obtain a second verification result includes:

[0076] When the terminal type of the low-altitude terminal is the ToC terminal, the identity of the low-altitude terminal is verified based on the fourth information to obtain the second verification result; the fourth information represents human-computer interaction information.

[0077] Here, after the first base station confirms that the low-altitude terminal is a ToC terminal through the IMEI identifier reported by the current terminal, in order to avoid non-standard terminals reporting false information, this application proposes an interactive terminal identity verification method. By adding human-computer interaction, the identity of the low-altitude terminal is verified, that is, by adding human-computer interaction, it is confirmed whether the current terminal is used by a real user.

[0078] In this embodiment of the application, the fourth information includes SMS verification code, graphic verification code (also known as image verification code), and voice verification information. To verify the identity of the low-altitude terminal based on the fourth information and obtain the second verification result, the verification can be performed based on an SMS verification code, a graphic verification code, or a voice verification information.

[0079] The above verification methods are explained in detail below.

[0080] Specifically, for verifying the identity of the low-altitude terminal based on SMS verification codes, the first base station can send an SMS verification code to the current ToC terminal. After receiving a confirmation SMS from the current ToC terminal, it can be determined that the current ToC terminal is being used by a genuine user. In this case, low-altitude network services will continue to be provided to the current ToC terminal; otherwise, the network connection will be disconnected.

[0081] Specifically, for verifying the identity of the low-altitude terminal based on a graphic verification code, the first base station can send a graphic verification code to the current ToC terminal. If it is confirmed that the ToC terminal user is operating the device and the graphic verification code is correct, it can be determined that the current ToC terminal is being used by the genuine user. In this case, low-altitude network services can continue to be provided to the current ToC terminal; otherwise, the network connection can be disconnected.

[0082] Specifically, for verifying the identity of the low-altitude terminal based on voice verification information, the first base station may send voice verification information to the current ToC terminal (e.g., make a voice verification call to the current ToC terminal). If it is confirmed that the ToC terminal user is operating the terminal and the voice verification information is correct, it can be determined that the current ToC terminal is being used by the real user. In this case, low-altitude network services will continue to be provided to the current ToC terminal; otherwise, the network connection will be disconnected.

[0083] Step 103: Send the terminal type of the low-altitude terminal to the second base station, so that the second base station can provide different low-altitude network services for low-altitude terminals of different terminal types based on the terminal type of the low-altitude terminal.

[0084] In this embodiment of the application, the low-altitude terminal is switched from the first base station to the second base station, where the first base station represents the source base station and the second base station represents the target base station.

[0085] In one embodiment, before sending the terminal type of the low-altitude terminal to the second base station, the method further includes:

[0086] A handover request is sent to one or more target base stations; the handover request includes first information, the first information representing the low-altitude network service query identifier information of the beam to be accessed by the current terminal, and the first information is used to determine the second base station from the one or more target base stations;

[0087] The system receives second information sent by the second base station; the second information represents handover response signaling information, and the second information includes low-altitude network service identification information.

[0088] Here, the first base station can confirm that the adjacent target cell after the current terminal hands over is a cell that can provide low-altitude network coverage service by using the low-altitude network service identification information sent by the second base station. Specifically, the source cell (corresponding to the source base station, i.e., the first base station) sends a handover request to one or more cells (corresponding to one or more target base stations). The handover request carries the low-altitude network service inquiry identifier of the beam to be accessed by the current terminal. The second base station (corresponding to the target cell) can be determined from one or more target base stations through the low-altitude network service inquiry identifier. After receiving the handover request, the target cell sends a handover response signaling to the source cell. The handover response signaling carries the low-altitude network service identifier. Then, the source cell can know from the low-altitude network service identifier that the adjacent target cell after the current terminal hands over is a cell that can provide low-altitude network coverage service.

[0089] It should be noted that in actual application, the first base station receives the second information sent by the second base station through the first interface. That is to say, the target cell (corresponding to the second base station) can send a handover response signaling to the source cell (corresponding to the first base station) through the first interface, such as the Xn interface.

[0090] In practical applications, after the first base station distinguishes the terminal type of the low-altitude terminal, it forwards the terminal type of the low-altitude terminal to the core network equipment in real time through the second base station. The core network equipment then verifies the terminal type of the low-altitude terminal and the service subscription status of the low-altitude terminal. This is a method of joint verification by the base station and the core network equipment.

[0091] Based on this, in one embodiment, sending the terminal type of the low-altitude terminal to the second base station, so that the second base station provides different low-altitude network services for low-altitude terminals of different terminal types based on the terminal type of the low-altitude terminal, includes:

[0092] The terminal type of the low-altitude terminal is sent to the second base station, which then sends the terminal type of the low-altitude terminal to the core network equipment. The core network equipment verifies the terminal type and service subscription status of the low-altitude terminal to obtain a first verification result. The first verification result is then sent to the second base station, which provides different low-altitude network services for low-altitude terminals of different terminal types based on the first verification result.

[0093] Here, the terminal types of the low-altitude terminal include aircraft terminals and ToC terminals (the ToC terminal here can be a ToC terminal for manned flight). After determining the terminal type of the low-altitude terminal, the first base station sends the terminal type of the low-altitude terminal to the second base station. Then, the second base station forwards the terminal type of the low-altitude terminal to the core network equipment in real time through uplink control plane information. After the core network equipment verifies the terminal type of the low-altitude terminal and the service subscription status of the low-altitude terminal to obtain the first verification result, the second base station confirms the service provision method according to the first verification result.

[0094] For example, when the low-altitude terminal is an aircraft terminal, if the service method is confirmed to be a purchased flight control service, the second base station configures the Quality of Service (QoS) for the aircraft terminal according to the contracted guarantee requirements; if the service method is confirmed to be without purchased flight control service, the second base station provides basic guarantee content for the aircraft terminal and charges the aircraft terminal according to the out-of-package data traffic charging standard. When the low-altitude terminal is a ToC terminal, if the service method is confirmed to be a purchased low-altitude service package or activated low-altitude network service, the second base station provides service guarantee for the ToC terminal according to the contracted guarantee requirements; if the service method is confirmed to be without activated low-altitude network service, the User Plane Function (UPF) in the 5G core network (5GC) sends package push SMS and billing standard SMS to the ToC terminal, and bills according to the subsequent choices of the ToC terminal user.

[0095] The technical solution of this application embodiment determines whether a low-altitude terminal has entered a low-altitude network coverage area by judging the low-altitude terminal. When it is determined that the current terminal has entered a low-altitude network coverage area, the terminal type of the low-altitude terminal is further distinguished and the terminal type is informed to the second base station. The second base station then provides different low-altitude network services for low-altitude terminals of different terminal types. In this way, the problem of misidentifying non-low-altitude users in high-rise buildings can be avoided. Low-altitude network services are only provided to low-altitude terminals, and the method of providing low-altitude network services is determined according to the terminal type of the low-altitude terminal, making full use of network resources and thus ensuring the service guarantee of low-altitude terminals.

[0096] The present application will be described below with reference to application examples.

[0097] The low-altitude terminal identification process in related technologies mainly suffers from the following problems:

[0098] 1) When an aircraft uses an existing terminal (such as a non-R18 terminal), which lacks UAV capabilities, the network still needs to provide low-altitude network services. However, since it does not report capability information, the core network cannot distinguish whether a separate billing mode needs to be enabled for it (aircraft and ordinary ToC users have different billing requirements). The network needs to determine this based on the real-time location of the aircraft terminal. In low-altitude manned flights, normal ToC terminal users do not report UAV capabilities, but the billing models for low-altitude networks and ground networks differ, requiring the network to assess the real-time location status of the ToC terminal.

[0099] In the above process, since the current low-altitude communication network in the near-ground area is mainly covered by base stations by adjusting the beam angle, low-altitude terminals are easily confused with non-low-altitude users in high-rise buildings. The low-altitude network may still provide network services to the misidentified non-low-altitude users, resulting in a waste of network resources and thus failing to ensure the service guarantee of low-altitude terminals.

[0100] 2) Regarding aircraft supervision, some non-standard aircraft use ToC terminal cards to connect to low-altitude networks in order to avoid supervision. However, the network side cannot distinguish between them, which disrupts the operator's billing model and makes it impossible to effectively supervise aircraft control.

[0101] To address the aforementioned issues, this application proposes a terminal type identification and verification method. First, it defines a standardized low-altitude terminal identification and verification method, using inter-base station beam joint verification and base station-core network joint verification to identify low-altitude terminals and prevent misidentification of non-low-altitude users in high-rise buildings. Then, it defines an interactive non-standard low-altitude terminal identification and verification method, using a defined terminal reporting identifier (corresponding to the aforementioned IMEI identifier) ​​and an interactive terminal identity verification method to filter out non-standard low-altitude terminals, thus avoiding regulatory loopholes and other issues.

[0102] I. A Standardized Low-Altitude Terminal Identification and Verification Method

[0103] 1. Low-altitude terminal network verification method

[0104] To address the current need for terminals to confirm whether they are connected to a low-altitude network (corresponding to the aforementioned determination of whether the current terminal is a low-altitude terminal), but since low-altitude network coverage in near-ground areas is mainly achieved by base stations adjusting beam angles, low-altitude terminals can easily be confused with non-low-altitude users in high-rise buildings, leading to billing confusion. To avoid this problem, this application proposes a method for confirming low-altitude terminals, including the following confirmation method:

[0105] Method 1, PCI-based confirmation: The target cell is determined based on the PCI of the cell accessed by the current terminal. If the target cell is a cell that can provide low-altitude network coverage services, the current terminal is determined to be a low-altitude terminal.

[0106] Method 2, Inter-base Station Beam Joint Confirmation: After the current terminal accesses the beam providing air coverage (corresponding to the first beam mentioned above), inter-base station beam joint confirmation is required to distinguish between non-low-altitude users and low-altitude terminal users in high-rise buildings. After the current terminal accesses the beam providing air coverage, if, within a certain time period T (the specific parameter value of T can be set based on the network environment), the current terminal is determined to be a low-altitude terminal if it simultaneously meets the following two conditions:

[0107] Condition 1: Based on the two most recent measurement reports from the current terminal, it is confirmed that the change in RSRP signal strength exceeds a certain threshold (corresponding to the aforementioned change in RSRP signal strength of the current terminal exceeding the set threshold);

[0108] Condition 2: The current terminal switches to an adjacent cell that can provide low-altitude network coverage service (corresponding to the aforementioned adjacent target cell).

[0109] Here, the method to confirm whether the adjacent target cell after the handover can provide low-altitude network coverage service is as follows: the source cell adds a low-altitude network service query identifier for the terminal's target beam in the handover request command, the target cell carries the low-altitude network service identifier in the handover response signaling, and the target cell informs the source cell through the Xn interface that the current terminal is determined to be a low-altitude terminal.

[0110] The information regarding inter-cell interactions can be seen in Table 2 below:

[0111]

[0112] Table 2

[0113] 2. The base station and the core network jointly perform identity verification.

[0114] After confirming that the current terminal is a low-altitude terminal, it is necessary to further distinguish the terminal type because different types of low-altitude terminals have different billing models and service requirements. Currently, the main terminal types include: aircraft terminals and manned flight ToC terminals (also known as ToC terminals). The first base station needs to determine whether the current terminal has entered the low-altitude network coverage area by identifying the low-altitude terminal, and then inform the core network of the terminal type in real time through uplink control plane information. The core network then determines the service method based on the terminal type and service type.

[0115] Aircraft terminal: 1) If flight control service has been purchased, configure QoS for the aircraft terminal according to the contracted support requirements; 2) If flight control service has not been purchased, provide basic support for the aircraft terminal and charge according to the out-of-package data traffic fee standard.

[0116] ToC terminals: 1) For terminals that have purchased a low-altitude service package / activated low-altitude network service, service protection will be provided to the ToC terminal according to the contracted protection requirements; 2) For terminals that have not activated low-altitude network service, the UPF in the core network will send package push SMS and billing standard SMS to the ToC terminal, and billing will be carried out according to the user's subsequent selection.

[0117] Figure 2 This is a schematic diagram of the interaction flow of the terminal identification method according to an embodiment of this application, such as... Figure 2 As shown, the UE (i.e., the current terminal) reports a measurement report to the source gNB (corresponding to the aforementioned first base station). After receiving the measurement report, the source gNB sends a handover request to one or more gNBs. The handover request includes a low-altitude network service query identifier for the beam to which the current terminal wants to access. Through this low-altitude network service query identifier, the target gNB (corresponding to the aforementioned second base station) can be determined from one or more gNBs. The target gNB sends a handover response signaling to the source gNB. This handover response signaling includes a low-altitude network service identifier. The source gNB determines the terminal type based on the low-altitude network service identifier and sends the determination result to the target gNB. The target gNB reports the terminal type to the 5GC. The 5GC verifies the terminal type and service subscription status, obtains a verification result (corresponding to the aforementioned first verification result), and sends the verification result to the target gNB. The target gNB provides air interface services to the UE according to the verification result.

[0118] II. An Interactive Non-Standard Low-Altitude Terminal Identification and Verification Method

[0119] In practical applications, due to the differences in services provided by low-altitude networks to aircraft terminals and ToC terminals, the billing methods differ, and the service price for aircraft terminals is higher than that for ToC terminals. In the current low-altitude network, some non-standard low-altitude aircraft terminals choose to place the ToC terminal user card on the aircraft terminal for low-altitude flight operations in order to save costs, but this may create loopholes in supervision. To avoid such non-standard operations, this application proposes an interactive non-standard low-altitude terminal identification and verification method.

[0120] 1. Identity verification based on terminal reports

[0121] IMEI is a globally unique identifier used to identify mobile devices. It represents unique information about the device, and therefore, different types of devices can be distinguished by this identifier. Both normally operating aircraft terminals and ToC terminals possess this identifier. However, some terminals operating improperly lack this identifier, preventing them from reporting information. Others may report inaccurate identifier information. Therefore, the network needs to differentiate terminal types based on this identifier and trigger IMEI information reporting when a terminal accesses a low-altitude network.

[0122] 1) Triggering Reporting Method 1: Broadcast Message Notification

[0123] In low-altitude network coverage, the air beam near the ground and the beam covering the ground cover the air and ground respectively. Terminals accessing the ground network do not need to trigger reporting, but terminals accessing the air beam do. Therefore, it can be divided into the following two cases:

[0124] The first scenario: When a ground base station covers both the ground network and the air network, for terminals accessing the air beam, the terminal can add an indication of its reported IMEI identifier to the corresponding other system messages (OSI). For example, fields can be added to messages related to cell measurement, such as SIB11 / SIB17. Examples of adding fields are shown in Table 1 above and will not be repeated here.

[0125] In the second scenario, if the ground base station only covers the air network, then all beams need to add indication information of the IMEI identifier reported by the terminal. The fields to be added are similar to those in the first scenario, and can be understood by referring to Table 1.

[0126] 2) Triggering Reporting Method Two: Notification after the terminal connects to the low-altitude network

[0127] First, the base station determines that the current terminal is a low-altitude terminal according to the aforementioned judgment method. Then, it triggers the current terminal to report its IMEI identifier, specifying the reporting location and content, through downlink control signaling.

[0128] Here, the base station can notify the terminal to report via DCI in PDCCH, or via the MAC layer control unit, as defined below:

[0129] Method 1: Notification is made via DCI in PDCCH, defined as format DCI2_9 in DCI, which indicates the location and format of the transmission request to be reported by the terminal, as shown in Table 3 below:

[0130]

[0131]

[0132] Table 3

[0133] Method 2: Notification is sent through the MAC layer control unit, defined as the transmission requirement indication MAC layer control unit (MAC CE).

[0134] Terminals can report transmission request information by adding relevant fields to the Uplink Control Information (UCI). Examples of fields to add are shown in Table 4 below.

[0135] Field Name (IE Name) Semantic description Message Type Indicate message type IMEI information Indicates IMEI information

[0136] Table 4

[0137] The terminal type is confirmed based on the information reported by the terminal, and ToC terminals are distinguished for further verification.

[0138] 2. Interactive terminal identity verification

[0139] After confirming that the current low-altitude terminal is a ToC terminal through IMEI reporting information, to prevent non-standard low-altitude terminals from reporting false information, this application proposes an interactive terminal identity verification method. This method verifies whether the current terminal is being used by a genuine user by adding human-computer interaction. The verification method includes, but is not limited to, the following:

[0140] Send SMS verification code: Send an SMS verification code to the current ToC terminal and request a confirmation reply before continuing to provide low-altitude network service to the current ToC terminal; otherwise, disconnect the network connection.

[0141] Send graphic verification code: Send a graphic verification code to the current ToC terminal. After confirming that it is the user's operation and the verification code is correct, continue to provide low-altitude network service to the current ToC terminal; otherwise, disconnect the network connection.

[0142] Make a voice verification call: Make a voice verification call to the current ToC terminal. After confirming that it is the person making the operation and that the verification code is correct, continue to provide low-altitude network service to the current ToC terminal; otherwise, disconnect the network connection.

[0143] Compared with the solutions of related technologies, the solution of this application has the following technical effects:

[0144] (1) Low-altitude terminals are identified by joint confirmation of beams between base stations and joint verification between base stations and core network to prevent the problem of misidentifying non-low-altitude users in high-rise buildings.

[0145] (2) By defining terminal reporting identifiers and interactive terminal identity verification methods, non-standard low-altitude terminals are screened out to avoid regulatory loopholes and other issues.

[0146] To implement the terminal identification method of this application embodiment, this application embodiment also provides a terminal identification device, which is applied to a first base station. Figure 3 This is a schematic diagram of the composition structure of the terminal identification device according to an embodiment of this application, as shown below. Figure 3 As shown, the terminal identification device includes:

[0147] The first determining unit 31 is used to determine whether the current terminal is a low-altitude terminal; the low-altitude terminal represents a terminal located in a low-altitude network coverage area.

[0148] The second determining unit 32 is used to determine the terminal type of the low-altitude terminal when the first determining unit determines that the current terminal is a low-altitude terminal.

[0149] The first transmitting unit 33 is used to transmit the terminal type of the low-altitude terminal to the second base station, so that the second base station provides different low-altitude network services for low-altitude terminals of different terminal types based on the terminal type of the low-altitude terminal; the low-altitude terminal is switched from the first base station to the second base station, the first base station represents the source base station, and the second base station represents the target base station.

[0150] In one embodiment, the first determining unit 31 is specifically used for:

[0151] Based on the PCI of the cell currently accessed by the terminal, it is determined whether the cell currently accessed by the terminal is the target cell; the target cell represents a cell that can provide low-altitude network coverage services.

[0152] If the current terminal accesses the target cell, the current terminal is determined to be a low-altitude terminal.

[0153] In one embodiment, the first determining unit 31 includes a first determining subunit and a second determining subunit; wherein,

[0154] The first determining subunit is used to determine, within a set time period, whether the current terminal meets the set conditions after the current terminal accesses the first beam; the first beam represents the beam that provides air coverage.

[0155] The second determining subunit is used to determine that the current terminal is a low-altitude terminal when the first determining subunit determines that the current terminal meets the set conditions.

[0156] In one embodiment, the first determining subunit is specifically used for:

[0157] If the signal strength change value of the RSRP of the current terminal exceeds a set threshold and the current terminal switches to an adjacent target cell, the current terminal is determined to meet the set conditions.

[0158] The signal strength change value of RSRP is determined based on the measurement report reported by the current terminal, and the neighboring target cell represents a neighboring cell that can provide low-altitude network coverage service.

[0159] In one embodiment, the terminal identification device further includes a second transmitting unit and a first receiving unit; wherein,

[0160] The second sending unit is configured to send a handover request to one or more target base stations before the first sending unit 33 sends the terminal type of the low-altitude terminal to the second base station; the handover request includes first information, the first information representing the low-altitude network service query identifier information of the beam to be accessed by the current terminal, and the first information is used to determine the second base station from the one or more target base stations;

[0161] The first receiving unit is configured to receive second information sent by the second base station; the second information represents handover response signaling information, and the second information includes low-altitude network service identification information.

[0162] In one embodiment, the first transmitting unit 33 is specifically used for:

[0163] The terminal type of the low-altitude terminal is sent to the second base station, which then sends the terminal type of the low-altitude terminal to the core network equipment. The core network equipment verifies the terminal type and service subscription status of the low-altitude terminal to obtain a first verification result. The first verification result is then sent to the second base station, which provides different low-altitude network services for low-altitude terminals of different terminal types based on the first verification result.

[0164] In one embodiment, the second determining unit 32 includes a second receiving unit and a third determining unit; wherein,

[0165] The second receiving unit is used to receive the third information reported by the current terminal; the third information represents IMEI information.

[0166] The third determining unit is used to determine the terminal type of the low-altitude terminal based on the third information.

[0167] In one embodiment, when the current terminal accesses the low-altitude network, the third information is triggered for reporting in one of the following ways:

[0168] Broadcast message; the broadcast message includes indication information for instructing the current terminal to report the third information;

[0169] The notification message from the first base station; the notification message from the first base station is used to instruct the current terminal to report the third information.

[0170] In one embodiment, the terminal identification device further includes a third transmitting unit; wherein,

[0171] The third sending unit is used to send a notification message to the current terminal;

[0172] The third transmitting unit is specifically used for one of the following:

[0173] A notification message is sent to the current terminal via the DCI in the PDCCH;

[0174] The MAC layer control unit sends a notification message to the current terminal.

[0175] In one embodiment, the terminal identification device further includes a verification unit; wherein,

[0176] The verification unit is used to verify the identity of the low-altitude terminal based on the terminal type of the low-altitude terminal after the third determining unit determines the terminal type of the low-altitude terminal based on the third information, and obtain a second verification result.

[0177] In one embodiment, the low-altitude terminal type includes aircraft terminals and ToC terminals; the verification unit is specifically used for:

[0178] When the terminal type of the low-altitude terminal is the ToC terminal, the identity of the low-altitude terminal is verified based on the fourth information to obtain the second verification result; the fourth information represents human-computer interaction information.

[0179] In practical applications, the first determining unit 31 and the second determining unit 32 can be implemented by the processor in the terminal identification device, and the first sending unit 33 can be implemented by the communication interface in the terminal identification device.

[0180] It should be noted that the terminal identification device provided in the above embodiments is only illustrated by the division of the above program modules when performing terminal identification. In actual applications, the above processing can be assigned to different program modules as needed, that is, the internal structure of the device can be divided into different program modules to complete all or part of the processing described above. In addition, the terminal identification device and the terminal identification method embodiments provided in the above embodiments belong to the same concept, and their specific implementation process can be found in the terminal identification method embodiments, which will not be repeated here.

[0181] Based on the hardware implementation of the above program modules, and in order to implement the terminal identification method of this application embodiment, this application embodiment also provides a terminal identification device. Figure 4 This is a schematic diagram of the hardware composition structure of the terminal identification device according to an embodiment of this application, as shown below. Figure 4 As shown, the terminal identification device 40 includes:

[0182] Communication interface 41 enables information exchange with other devices;

[0183] The processor 42 is connected to the communication interface 41 to enable information interaction with other devices. When running a computer program, it executes the terminal identification method provided above, and the computer program is stored in the memory 43.

[0184] Specifically, the processor 42 is used to determine whether the current terminal is a low-altitude terminal; the low-altitude terminal represents a terminal located in a low-altitude network coverage area; if the current terminal is determined to be a low-altitude terminal, the processor 42 determines the terminal type of the low-altitude terminal.

[0185] The communication interface 41 is used to send the terminal type of the low-altitude terminal to the second base station, so that the second base station provides different low-altitude network services for low-altitude terminals of different terminal types based on the terminal type of the low-altitude terminal; the low-altitude terminal is switched from the first base station to the second base station, the first base station represents the source base station, and the second base station represents the target base station.

[0186] It should be noted that the specific processing procedures of communication interface 41 and processor 42 can be understood by referring to the terminal identification method described above.

[0187] Of course, in practical applications, the various components in the terminal identification device 40 are coupled together through the bus system 44. It can be understood that the bus system 44 is used to realize the connection and communication between these components. In addition to the data bus, the bus system 44 also includes a power bus, a control bus, and a status signal bus. However, for the sake of clarity, in... Figure 4 The general labeled all buses as Bus System 44.

[0188] The memory 43 in this embodiment is used to store various types of data to support the operation of the terminal identification device 40. Examples of such data include any computer program used to operate on the terminal identification device 40.

[0189] The terminal identification method disclosed in the above embodiments of this application can be applied to the processor 42, or implemented by the processor 42. The processor 42 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above terminal identification method can be completed by the integrated logic circuit of the hardware or by instructions in the form of software in the processor 42. The processor 42 may be a general-purpose processor, a digital signal processor (DSP), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The processor 42 can implement or execute the terminal identification methods, steps, and logic block diagrams disclosed in the embodiments of this application. The general-purpose processor may be a microprocessor or any conventional processor, etc. The steps of the terminal identification method disclosed in the embodiments of this application can be directly reflected as being executed by a hardware decoding processor, or being executed by a combination of hardware and software modules in the decoding processor. The software modules may be located in a storage medium, which is located in the memory 43. The processor 42 reads the information in the memory 43 and combines its hardware to complete the steps of the aforementioned terminal identification method.

[0190] In an exemplary embodiment, the terminal identification device 40 may be implemented by one or more application-specific integrated circuits (ASICs), DSPs, programmable logic devices (PLDs), complex programmable logic devices (CPLDs), field-programmable gate arrays (FPGAs), general-purpose processors, controllers, microcontrollers (MCUs), microprocessors, or other electronic components to perform the aforementioned terminal identification method.

[0191] It is understood that the memory 43 in the embodiments of this application can be volatile memory or non-volatile memory, or both. Non-volatile memory can be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), ferromagnetic random access memory (FRAM), flash memory, magnetic surface memory, optical disc, or compact disc read-only memory (CD-ROM); magnetic surface memory can be disk storage or magnetic tape storage. Volatile memory can be random access memory (RAM), which is used as an external cache. By way of example, but not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Synchronous Static Random Access Memory (SSRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), SyncLink Dynamic Random Access Memory (SLDRAM), and Direct Rambus Random Access Memory (DRRAM).The memory 43 described in the embodiments of this application is intended to include, but is not limited to, these and any other suitable types of memory.

[0192] In an exemplary embodiment, this application also provides a storage medium, namely a computer storage medium, specifically a computer-readable storage medium, such as a memory 43 storing a computer program. This computer program can be executed by the processor 42 in the terminal identification device 40 to complete the steps of the terminal identification method described in the aforementioned embodiment. The computer-readable storage medium may be a memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface memory, optical disc, or CD-ROM.

[0193] In an exemplary embodiment, this application also provides a computer program product, including a computer program that can be executed by a processor 42 in a terminal identification device 40 to complete the steps of the terminal identification method described in the aforementioned embodiment.

[0194] It should be noted that terms such as "first," "second," and "third" are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0195] Furthermore, the technical solutions described in the embodiments of this application can be combined arbitrarily without conflict.

[0196] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A terminal identification method, characterized in that, Applied to a first base station, the method includes: Determine whether the current terminal is a low-altitude terminal; a low-altitude terminal is a terminal located in a low-altitude network coverage area. If it is determined that the current terminal is a low-altitude terminal, then determine the terminal type of the low-altitude terminal; The terminal type of the low-altitude terminal is sent to the second base station so that the second base station provides different low-altitude network services for low-altitude terminals of different terminal types based on the terminal type of the low-altitude terminal; the low-altitude terminal is switched from the first base station to the second base station, where the first base station represents the source base station and the second base station represents the target base station.

2. The method according to claim 1, characterized in that, Determining whether the current terminal is a low-altitude terminal includes: Based on the Physical Cell Identifier (PCI) of the cell currently accessed by the terminal, determine whether the cell currently accessed by the terminal is the target cell; the target cell represents a cell that can provide low-altitude network coverage services. If the current terminal accesses the target cell, the current terminal is determined to be a low-altitude terminal.

3. The method according to claim 1, characterized in that, Determining whether the current terminal is a low-altitude terminal includes: After the current terminal is connected to the first beam, it is determined whether the current terminal meets the set conditions within a set time period; the first beam represents the beam that provides air coverage. If the current terminal meets the set conditions, the current terminal is determined to be a low-altitude terminal.

4. The method according to claim 3, characterized in that, Determining whether the current terminal meets the set conditions includes: If the signal strength change value of the reference signal received power (RSRP) of the current terminal exceeds a set threshold, and the current terminal switches to an adjacent target cell, the current terminal is determined to meet the set conditions. The signal strength change value of RSRP is determined based on the measurement report reported by the current terminal, and the neighboring target cell represents a neighboring cell that can provide low-altitude network coverage service.

5. The method according to claim 1, characterized in that, Before transmitting the terminal type of the low-altitude terminal to the second base station, the method further includes: A handover request is sent to one or more target base stations; the handover request includes first information, the first information representing the low-altitude network service query identifier information of the beam to be accessed by the current terminal, and the first information is used to determine the second base station from the one or more target base stations; The system receives second information sent by the second base station; the second information represents handover response signaling information, and the second information includes low-altitude network service identification information.

6. The method according to claim 1, characterized in that, The step of sending the terminal type of the low-altitude terminal to the second base station, so that the second base station can provide different low-altitude network services for low-altitude terminals of different terminal types based on the terminal type of the low-altitude terminal, includes: The terminal type of the low-altitude terminal is sent to the second base station, which then sends the terminal type of the low-altitude terminal to the core network equipment. The core network equipment verifies the terminal type and service subscription status of the low-altitude terminal to obtain a first verification result. The first verification result is then sent to the second base station, which provides different low-altitude network services for low-altitude terminals of different terminal types based on the first verification result.

7. The method according to claim 1, characterized in that, Determining the terminal type of the low-altitude terminal includes: Receive the third information reported by the current terminal; the third information represents the International Mobile Equipment Identity (IMEI) information; Based on the third information, the terminal type of the low-altitude terminal is determined.

8. The method according to claim 7, characterized in that, When the current terminal accesses the low-altitude network, the third information is triggered for reporting in one of the following ways: Broadcast message; The broadcast message includes an instruction message that instructs the current terminal to report the third information; The notification message from the first base station; the notification message from the first base station is used to instruct the current terminal to report the third information.

9. The method according to claim 8, characterized in that, The method further includes: Send a notification message to the current terminal; Sending a notification message to the current terminal includes one of the following: A notification message is sent to the current terminal via the downlink control information (DCI) in the physical downlink control channel (PDCCH). The MAC layer control unit sends a notification message to the current terminal.

10. The method according to claim 7, characterized in that, After determining the terminal type of the low-altitude terminal based on the third information, the method further includes: Based on the terminal type of the low-altitude terminal, the identity of the low-altitude terminal is verified to obtain a second verification result.

11. The method according to claim 10, characterized in that, The types of low-altitude terminals include aircraft terminals and ToC terminals for wide-area customers. The method of verifying the identity of the low-altitude terminal based on its terminal type to obtain a second verification result includes: When the terminal type of the low-altitude terminal is the ToC terminal, the identity of the low-altitude terminal is verified based on the fourth information to obtain the second verification result; the fourth information represents human-computer interaction information.

12. A terminal identification device, characterized in that, Applied to a first base station, the device includes: The first determining unit is used to determine whether the current terminal is a low-altitude terminal; the low-altitude terminal represents a terminal located in a low-altitude network coverage area. The second determining unit is used to determine the terminal type of the low-altitude terminal when the first determining unit determines that the current terminal is a low-altitude terminal. The first transmitting unit is used to transmit the terminal type of the low-altitude terminal to the second base station, so that the second base station provides different low-altitude network services for low-altitude terminals of different terminal types based on the terminal type of the low-altitude terminal; the low-altitude terminal is switched from the first base station to the second base station, the first base station represents the source base station, and the second base station represents the target base station.

13. A terminal identification device, characterized in that, include: A processor and a memory for storing computer programs capable of running on the processor; When the processor is used to run the computer program, it performs the steps of the method according to any one of claims 1 to 11.

14. A storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by a processor, it implements the steps of the method according to any one of claims 1 to 11.

15. A computer program product, comprising a computer program, characterized in that, When the computer program is executed by a processor, it implements the steps of the method according to any one of claims 1 to 11.

Images