Cell switching method and device, equipment and storage medium

Abstract

The invention provides a cell switching method and device, equipment and a storage medium. The method comprises: receiving a signal measurement indication; obtaining the existence duration of the target mode identifier of the inter-system 5G neighbor cell; if the duration exceeds the preset duration or the target mode identifier does not exist, obtaining a signal measurement report; if the signal measurement report satisfies a preset switching condition, and if the inter-system 5G neighbor cell supports a RedCap mode, sending the signal measurement report to an LTE base station, or sending the signal measurement report carrying a switching indication to the LTE base station; switching the network to a 5G neighbor cell of the inter-system according to the switching judgment; and if the inter-system 5G neighbor cell does not support the RedCap mode, marking the target mode identifier, not sending the signal measurement report to the LTE base station or generating an interrupt switching instruction, and sending the signal measurement report to the LTE base station, so that the RedCap terminal is more stable and faster to switch from the LTE to the 5G cell.

Description

Technical Field

[0001] The present application relates to the field of communications, and in particular to a cell switching method, device, equipment and storage medium. Background Art

[0002] 3GPP (3rd Generation Partnership Project) is an international mobile communications standardization organization. In the 3GPP R17 (release 17) frozen standard, RedCap (Reduced Capability) terminals are defined. RedCap terminals reduce terminal air interface capabilities to reduce terminal cost, size, and power consumption. Currently, RedCap terminals are about to be commercialized. How to ensure the stable switching of RedCap terminals from LTE (Long Term Evolution) to 5G (5th Generation Mobile Communication Technology) is an urgent problem to be solved.

[0003] In the prior art, in the switching process of a 5G terminal from LTE to 5G, the terminal will perform measurement after receiving the measurement configuration, and after the measurement is completed, report a measurement event report to the base station, and the base station will complete the switching.

[0004] However, since the LTE network does not have the ability to identify RedCap terminals, according to the signaling process of the prior art, when a RedCap terminal switches from an LTE to a 5G cell, there is a situation where switching is performed to a non-RedCap cell, resulting in a switching failure. Summary of the invention

[0005] The present application provides a cell switching method, device, equipment and storage medium to solve the signaling process of the prior art. When a RedCap terminal switches from an LTE to a 5G cell, there is a situation where switching is performed to a non-RedCap cell, resulting in a technical problem of switching failure.

[0006] In a first aspect, the present application provides a cell switching method, applied to a user terminal, comprising:

[0007] Receiving a signal measurement indication sent by an LTE base station, wherein the signal measurement indication is sent by the LTE base station of the LTE cell when sensing that the user terminal moves from the LTE cell to a 5G neighboring cell of a different system;

[0008] Determine whether the heterogeneous 5G neighboring cell has a target mode identifier, wherein the target mode identifier is an identifier that the heterogeneous 5G neighboring cell does not support the RedCap mode;

[0009] If it is determined that the heterosystem 5G neighboring cell has the target mode identifier, the existence duration of the target mode identifier is obtained; if it is determined that the existence duration exceeds the preset duration, signal measurement is performed according to the signal measurement indication to obtain a signal measurement report;

[0010] If it is determined that the heterosystem 5G neighboring cell does not have a target mode identifier, performing signal measurement according to the signal measurement indication to obtain a signal measurement report;

[0011] If it is determined that the signal measurement report meets the preset switching condition, reading the system message of the 5G base station of the heterosystem 5G neighboring cell;

[0012] Determine whether the alien system 5G neighboring cell supports the RedCap mode according to the system message; if it is determined that the alien system 5G neighboring cell supports the RedCap mode, send the signal measurement report to the LTE base station, so that the LTE base station generates a switching decision according to the signal measurement report; receive the switching decision sent by the LTE base station, and switch the network to the 5G base station of the alien system 5G neighboring cell according to the switching decision; if it is determined that the alien system 5G neighboring cell does not support the RedCap mode, do not send the signal measurement report to the LTE base station, and mark the alien system 5G neighboring cell as not supporting the RedCap mode; or,

[0013] Determine whether the alien system 5G neighboring cell supports the RedCap mode according to the system message; if it is determined that the alien system 5G neighboring cell supports the RedCap mode, generate a switching indication, and send the signal measurement report to the LTE base station, wherein the signal measurement report carries the switching indication, so that the LTE base station generates a switching decision according to the signal measurement report and the switching indication; receive the switching decision sent by the LTE base station, and switch the network to the base station of the alien system 5G neighboring cell according to the switching decision; if it is determined that the alien system 5G neighboring cell does not support the RedCap mode, mark the alien system 5G neighboring cell as not supporting the RedCap mode, generate an interruption switching indication, and send the signal measurement report to the LTE base station, wherein the signal measurement report carries the interruption switching indication, so that the LTE base station interrupts the switching task according to the signal measurement report.

[0014] Optionally, according to the method as described above, if it is determined that the signal measurement report meets the preset switching conditions, then after reading the system message of the 5G base station of the alien system 5G neighboring cell, it also includes: judging whether the alien system 5G neighboring cell supports the RedCap mode according to the system message, so as to generate a judgment result for storage; sending the signal measurement report to the LTE base station, so that the LTE base station generates a switching decision according to the signal measurement report; receiving the switching decision sent by the LTE base station, and judging whether to switch the network to the base station of the alien system 5G neighboring cell according to the switching decision and the judgment result; if the judgment result is that the alien system 5G neighboring cell supports the RedCap mode, then switching the network to the 5G base station of the alien system 5G neighboring cell according to the switching decision; if the judgment result is that the alien system 5G neighboring cell does not support the RedCap mode, then marking the alien system 5G neighboring cell as not supporting the RedCap mode, and refusing to execute the switching decision.

[0015] Optionally, in the method as described above, performing signal measurement according to the signal measurement indication and obtaining signal measurement results includes: performing signal measurement on the heterosystem 5G neighboring cell according to the signal measurement indication to obtain a first signal measurement result; generating a B1 event measurement report according to the first signal measurement result; accordingly, the preset switching condition includes: a preset B1 event switching condition, wherein the B1 event switching condition is that the first signal measurement result is higher than a preset first threshold value; accordingly, sending the signal measurement report to the LTE base station so that the LTE base station generates a switching decision based on the signal measurement report includes: sending the B1 event measurement report to the LTE base station so that the LTE base station generates a switching decision based on the B1 event measurement report; or, accordingly, if it is determined that the heterosystem 5G neighboring cell supports the RedCap mode, then generating a switching indication and sending the signal measurement report to the LTE base station includes: if it is determined that the heterosystem 5G neighboring cell supports the RedCap mode, then generating a switching indication and sending the B1 event measurement report to the LTE base station.

[0016] Optionally, in the method as described above, the signal measurement is performed according to the signal measurement indication, and the signal measurement result is obtained, including: performing signal measurement on the heterosystem 5G neighboring cell and the LTE cell respectively according to the signal measurement indication to obtain a first signal measurement result and a second signal measurement result; generating a B2 event measurement report according to the first signal measurement result and the second signal measurement result; accordingly, the preset switching condition includes: a preset B2 event switching condition, wherein the B2 event switching condition is that the first signal measurement result is higher than a preset first threshold value, and the second signal measurement result is lower than a preset second threshold value; accordingly, the sending of the signal measurement report to the LTE base station so that the LTE base station generates a switching decision according to the signal measurement report includes: sending the B2 event measurement report to the LTE base station so that the LTE base station generates a switching decision according to the B2 event measurement report; or, accordingly, if it is determined that the heterosystem 5G neighboring cell supports the RedCap mode, a switching indication is generated, and the signal measurement report is sent to the LTE base station, including: if it is determined that the heterosystem 5G neighboring cell supports the RedCap mode, a switching indication is generated, and the B2 event measurement report is sent to the LTE base station.

[0017] Optionally, as described above, judging whether the alien system 5G neighboring cell supports the RedCap mode according to the system message includes: parsing the system message to obtain the remaining minimum system information SIB1 of the alien system 5G neighboring cell; judging whether the alien system 5G neighboring cell allows RedCap terminal access according to the SIB1.

[0018] In a second aspect, the present application provides a cell switching method, applied to an LTE base station, comprising:

[0019] When sensing that any user terminal moves from an LTE cell to a 5G neighboring cell of a different system, a signal measurement indication is sent to the user terminal, so that the user terminal determines whether the 5G neighboring cell of the different system has a target mode identifier, wherein the target mode identifier is an identifier that the 5G neighboring cell of the different system does not support the RedCap mode; if it is determined that the 5G neighboring cell of the different system has the target mode identifier, the existence duration of the target mode identifier is obtained; if it is determined that the existence duration exceeds the preset duration, signal measurement is performed according to the signal measurement indication to obtain a signal measurement report; if it is determined that the 5G neighboring cell of the different system does not have the target mode identifier, signal measurement is performed according to the signal measurement indication to obtain a signal measurement report; if it is determined that the signal measurement report satisfies the preset switching condition, the system message of the 5G base station of the 5G neighboring cell of the different system is read, and whether the 5G neighboring cell of the different system supports the RedCap mode is determined according to the system message;

[0020] Receiving the signal measurement report sent by the user terminal after determining that the heterosystem 5G neighboring cell supports the RedCap mode according to the system message; generating a switching decision according to the signal measurement report, and sending it to the user terminal, so that the user terminal switches the network to the 5G base station of the heterosystem 5G neighboring cell according to the switching decision; or,

[0021] Receive the signal measurement report sent by the user terminal, wherein the signal measurement report carries a switching indication, wherein the switching indication is generated by the user terminal when it determines that the heterosystem 5G neighboring cell supports the RedCap mode; generate a switching decision based on the signal measurement report and the switching indication, and send the switching decision to the user terminal, so that the user terminal switches the network to the base station of the heterosystem 5G neighboring cell according to the switching decision; receive the signal measurement report sent by the user terminal, wherein the signal measurement report carries an interrupt switching indication, wherein the interrupt switching indication is generated after the user terminal determines that the heterosystem 5G neighboring cell does not support the RedCap mode; interrupt the switching task according to the signal measurement report.

[0022] Optionally, the method as described above, after sending a signal measurement indication to the user terminal when sensing that any user terminal moves from an LTE cell to a heterogeneous 5G neighboring cell, also includes: receiving the signal measurement report sent by the user terminal; generating a switching decision based on the signal measurement report, and sending the switching decision to the user terminal, so that the user terminal determines whether to switch the network to the base station of the heterogeneous 5G neighboring cell based on the switching decision and the judgment result, wherein the judgment result is generated after the user terminal determines whether the heterogeneous 5G neighboring cell supports the RedCap mode based on the system message.

[0023] In a third aspect, the present application provides a cell switching device, applied to a user terminal, including:

[0024] A receiving module, configured to receive a signal measurement indication sent by an LTE base station, wherein the signal measurement indication is sent by an LTE base station of an LTE cell when the LTE base station senses that a user terminal moves from the LTE cell to a 5G neighboring cell of a different system;

[0025] The first judgment module is used to judge whether the heterogeneous system 5G neighboring cell has a target mode identifier, wherein the target mode identifier is an identifier that the heterogeneous system 5G neighboring cell does not support the RedCap mode;

[0026] The first measurement module is used for obtaining the existence duration of the target mode identifier if it is determined that the heterosystem 5G neighboring cell has the target mode identifier; if it is determined that the existence duration exceeds the preset duration, performing signal measurement according to the signal measurement indication to obtain a signal measurement report;

[0027] A second measurement module is configured to perform signal measurement according to the signal measurement indication to obtain a signal measurement report if it is determined that the heterosystem 5G neighboring cell does not have a target mode identifier;

[0028] A second judgment module is configured to read a system message of a 5G base station of a 5G neighboring cell of a different system if it is determined that the signal measurement report meets a preset switching condition;

[0029] A switching module is used to determine whether the heterosystem 5G neighboring cell supports the RedCap mode according to the system message; if it is determined that the heterosystem 5G neighboring cell supports the RedCap mode, the signal measurement report is sent to the LTE base station, so that the LTE base station generates a switching decision according to the signal measurement report; receive the switching decision sent by the LTE base station, and switch the network to the 5G base station of the heterosystem 5G neighboring cell according to the switching decision; if it is determined that the heterosystem 5G neighboring cell does not support the RedCap mode, the signal measurement report is not sent to the LTE base station, and the heterosystem 5G neighboring cell is marked as not supporting the RedCap mode; or,

[0030] Determine whether the alien system 5G neighboring cell supports the RedCap mode according to the system message; if it is determined that the alien system 5G neighboring cell supports the RedCap mode, generate a switching indication, and send the signal measurement report to the LTE base station, wherein the signal measurement report carries the switching indication, so that the LTE base station generates a switching decision according to the signal measurement report and the switching indication; receive the switching decision sent by the LTE base station, and switch the network to the base station of the alien system 5G neighboring cell according to the switching decision; if it is determined that the alien system 5G neighboring cell does not support the RedCap mode, mark the alien system 5G neighboring cell as not supporting the RedCap mode, generate an interruption switching indication, and send the signal measurement report to the LTE base station, wherein the signal measurement report carries the interruption switching indication, so that the LTE base station interrupts the switching task according to the signal measurement report.

[0031] In a fourth aspect, the present application provides a cell switching device, applied to an LTE base station, including:

[0032] A sending module is used to send a signal measurement indication to any user terminal when sensing that the user terminal moves from an LTE cell to a 5G neighboring cell of a different system, so that the user terminal determines whether the 5G neighboring cell of the different system has a target mode identifier, wherein the target mode identifier is an identifier that the 5G neighboring cell of the different system does not support the RedCap mode; if it is determined that the 5G neighboring cell of the different system has the target mode identifier, the existence duration of the target mode identifier is obtained; if it is determined that the existence duration exceeds a preset duration, signal measurement is performed according to the signal measurement indication to obtain a signal measurement report; if it is determined that the 5G neighboring cell of the different system does not have a target mode identifier, signal measurement is performed according to the signal measurement indication to obtain a signal measurement report; if it is determined that the signal measurement report satisfies a preset switching condition, the system message of the 5G base station of the 5G neighboring cell of the different system is read, and whether the 5G neighboring cell of the different system supports the RedCap mode is determined according to the system message;

[0033] A receiving module is used to receive the signal measurement report sent by the user terminal after determining that the heterosystem 5G neighboring cell supports the RedCap mode according to the system message; generate a switching decision according to the signal measurement report, and send it to the user terminal, so that the user terminal switches the network to the 5G base station of the heterosystem 5G neighboring cell according to the switching decision; or,

[0034] Receive the signal measurement report sent by the user terminal, wherein the signal measurement report carries a switching indication, wherein the switching indication is generated by the user terminal when it determines that the heterosystem 5G neighboring cell supports the RedCap mode; generate a switching decision based on the signal measurement report and the switching indication, and send the switching decision to the user terminal, so that the user terminal switches the network to the base station of the heterosystem 5G neighboring cell according to the switching decision; receive the signal measurement report sent by the user terminal, wherein the signal measurement report carries an interrupt switching indication, wherein the interrupt switching indication is generated after the user terminal determines that the heterosystem 5G neighboring cell does not support the RedCap mode; interrupt the switching task according to the signal measurement report.

[0035] In a fifth aspect, the present application provides a terminal device, comprising: at least one processor and a memory;

[0036] The memory stores computer-executable instructions;

[0037] The at least one processor executes the computer-executable instructions stored in the memory, so that the at least one processor executes the cell switching method as described in the first aspect and various possible designs of the first aspect.

[0038] In a sixth aspect, the present application provides a base station device, including: at least one processor and a memory;

[0039] The memory stores computer-executable instructions;

[0040] The at least one processor executes the computer-executable instructions stored in the memory, so that the at least one processor executes the cell switching method described in the second aspect and various possible designs of the second aspect.

[0041] In the seventh aspect, an embodiment of the present application provides a computer-readable storage medium, in which computer-executable instructions are stored. When a processor executes the computer-executable instructions, the method described in the first aspect and various possible designs of the first aspect are implemented.

[0042] In an eighth aspect, an embodiment of the present application provides a computer-readable storage medium, in which computer-executable instructions are stored. When a processor executes the computer-executable instructions, the method described in the second aspect and various possible designs of the second aspect are implemented.

[0043] The cell switching method, apparatus, device and storage medium provided in the present application read the system message of the 5G base station of the 5G neighboring cell of the heterogeneous system after determining that the signal measurement result meets the preset switching condition, and determine whether the 5G neighboring cell of the heterogeneous system supports the RedCap mode according to the system message; after determining that the 5G neighboring cell of the heterogeneous system supports the RedCap mode, send a signal measurement report to the LTE base station so that the LTE base station generates a switching decision according to the signal measurement report; switch the network to the 5G base station of the 5G neighboring cell of the heterogeneous system according to the switching decision; or, after determining that the 5G neighboring cell of the heterogeneous system supports the RedCap mode, generate a switching indication, and send a The signal measurement report is sent to the LTE base station, so that the LTE base station generates a switching decision based on the signal measurement report and the switching indication; the network is switched to the 5G base station of the 5G neighboring cell of the different system according to the switching decision; and after determining that the 5G neighboring cell of the different system does not support the RedCap mode, the 5G neighboring cell of the different system is marked as not supporting the RedCap mode; this avoids the situation where the RedCap terminal switches to a non-RedCap cell when switching from LTE to 5G cell, thereby causing a switching failure, and avoids the RedCap terminal from repeating the switching process from LTE to 5G cell, making the switching of the RedCap terminal from LTE to 5G cell more stable and fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0045] Figure 1 A schematic diagram of a cell switching method according to an embodiment of the present application;

[0046] Figure 2 A schematic diagram of a cell switching method provided by an embodiment of the present application;

[0047] Figure 3 A schematic diagram of the structure of a cell switching device provided in an embodiment of the present application;

[0048] Figure 4 A schematic diagram of the structure of another cell switching device provided in an embodiment of the present application;

[0049] Figure 5 A schematic diagram of the hardware structure of a terminal device provided in an embodiment of the present application;

[0050] Figure 6 A schematic diagram of the hardware structure of a base station device provided in an embodiment of the present application.

[0051] The above drawings have shown clear embodiments of the present application, which will be described in more detail later. These drawings and text descriptions are not intended to limit the scope of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0052] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0053] The technical solution of the present application and how the technical solution of the present application solves the above-mentioned technical problems are described in detail below with specific embodiments. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments. The embodiments of the present application will be described below in conjunction with the accompanying drawings.

[0054] Figure 1 A schematic diagram of a cell switching method provided in an embodiment of the present application. Figure 1 As shown, it includes an LTE cell, a heterogeneous 5G neighboring cell and a terminal, wherein both the LTE cell and the heterogeneous 5G neighboring cell are equipped with a base station.

[0055] Mobile communication can be carried out between the base stations of the LTE cell, the base stations of the neighboring 5G cells of different systems, and the terminals.

[0056] Figure 2 A flowchart of a cell switching method provided by an embodiment of the present application is shown below. The execution subject of this embodiment may be Figure 1 The user terminal shown in the figure may also be other terminal devices, and this embodiment does not impose any special restrictions on this. Figure 2 As shown, the method includes:

[0057] S201: Receive a signal measurement indication sent by an LTE base station, where the signal measurement indication is sent by the LTE base station of the LTE cell when it senses that the user terminal moves from the LTE cell to a 5G neighboring cell of a different system.

[0058] Among them, when the user terminal moves from an LTE cell to a neighboring 5G cell of a different system, the LTE signal gradually weakens and the 5G signal gradually strengthens.

[0059] In this embodiment, the signal measurement indication may be that the LTE base station of the LTE cell reconfigures a DRB (Data Radio Bearer) through RRC (Radio Resource Control), sends a measurement configuration in a reconfiguration message, and sends a signal measurement request.

[0060] S202: Determine whether the heterogeneous 5G neighboring cell has a target mode identifier, wherein the target mode identifier is an identifier that the heterogeneous 5G neighboring cell does not support the RedCap mode.

[0061] Specifically, identify and obtain the field information of the heterosystem 5G neighboring cell containing the mode identifier, and determine whether the heterosystem 5G neighboring cell has the target mode identifier.

[0062] S203: If it is determined that the 5G neighboring cell of the different system has a target mode identifier, the existence duration of the target mode identifier is obtained; if it is determined that the existence duration exceeds the preset duration, signal measurement is performed according to the signal measurement indication to obtain a signal measurement report.

[0063] Specifically, the measurement requirement in the signal measurement indication is parsed, and the signal measurement is performed according to the requirement, wherein the measurement requirement may be a B1 event measurement or a B2 event measurement.

[0064] S204: If it is determined that the heterosystem 5G neighboring cell does not have a target mode identifier, signal measurement is performed according to the signal measurement indication to obtain a signal measurement report.

[0065] Specifically, the measurement requirement in the signal measurement indication is parsed, and the signal measurement is performed according to the requirement, wherein the measurement requirement may be a B1 event measurement or a B2 event measurement.

[0066] S205: If it is determined that the signal measurement report meets the preset switching conditions, the system message of the 5G base station of the 5G neighboring cell of the different system is read.

[0067] In this embodiment, the preset switching condition may be that the 5G signal in the signal measurement result is higher than a preset threshold value, and / or that the LTE signal in the signal measurement result is lower than a preset threshold value.

[0068] In this embodiment, the system message may be the following messages: SIB (System Information Block, system message block) and / or MIB (Master Information Block, master message block).

[0069] Specifically, the broadcast channel of the 5G base station of the 5G neighboring cell of the different system is detected, the information carried by the broadcast channel is parsed, and the system message of the 5G base station of the 5G neighboring cell of the different system is obtained.

[0070] Exemplarily, the PBCH (Physical Broadcast Channel) of the 5G base station of the heterogeneous system 5G neighboring cell is detected, and the SIB and MIB of the 5G base station of the heterogeneous system 5G neighboring cell are obtained.

[0071] In one embodiment, if the signal measurement result does not meet the preset switching condition, the cell switching task is interrupted.

[0072] S206: Determine whether the alien system 5G neighboring cell supports the RedCap mode according to the system message; if it is determined that the alien system 5G neighboring cell supports the RedCap mode, send a signal measurement report to the LTE base station, so that the LTE base station generates a switching decision according to the signal measurement report; receive the switching decision sent by the LTE base station, and switch the network to the 5G base station of the alien system 5G neighboring cell according to the switching decision; if it is determined that the alien system 5G neighboring cell does not support the RedCap mode, do not send a signal measurement report to the LTE base station, and mark the alien system 5G neighboring cell as not supporting the RedCap mode; or.

[0073] Specifically, the system message is parsed to obtain the remaining minimum system information SIB1 of the heterogeneous 5G neighboring cell; based on SIB1, it is determined whether the heterogeneous 5G neighboring cell allows RedCap terminals to access.

[0074] Exemplarily, by parsing the MIB of the 5G base station of the heterogeneous system 5G neighboring cell, parameters capable of identifying SIB1 (System Information Block 1, remaining minimum system information) are obtained, and the SIB is parsed according to the parameters to obtain the SIB1 of the 5G base station of the heterogeneous system 5G neighboring cell.

[0075] Specifically, parse each field in SIB1, identify and extract parameter information for evaluating whether the terminal is allowed to access the cell from multiple fields, and determine whether the 5G neighboring cell of the different system allows RedCap terminals to access based on the parameter information.

[0076] The parameter information is:

[0077] cellBarredRedCap1Rx / cellBarredRedCap2Rx

[0078] halfDuplexRedCapAllowed

[0079] intraFreqReselectionRedCap

[0080] cellBarredRedCap-r17.

[0081] S207: Determine whether the alien system 5G neighboring cell supports the RedCap mode according to the system message; if it is determined that the alien system 5G neighboring cell supports the RedCap mode, generate a switching indication, and send a signal measurement report to the LTE base station, wherein the signal measurement report carries the switching indication, so that the LTE base station generates a switching decision according to the signal measurement report and the switching indication; receive the switching decision sent by the LTE base station, and switch the network to the base station of the alien system 5G neighboring cell according to the switching decision; if it is determined that the alien system 5G neighboring cell does not support the RedCap mode, mark the alien system 5G neighboring cell as not supporting the RedCap mode, generate an interruption switching indication, and send a signal measurement report to the LTE base station, wherein the signal measurement report carries the interruption switching indication, so that the LTE base station interrupts the switching task according to the signal measurement report.

[0082] Specifically, the system message is parsed to obtain the remaining minimum system information SIB1 of the heterogeneous 5G neighboring cell; based on SIB1, it is determined whether the heterogeneous 5G neighboring cell allows RedCap terminals to access.

[0083] Exemplarily, by parsing the MIB of the 5G base station of the heterogeneous system 5G neighboring cell, parameters capable of identifying SIB1 (System Information Block 1, remaining minimum system information) are obtained, and the SIB is parsed according to the parameters to obtain the SIB1 of the 5G base station of the heterogeneous system 5G neighboring cell.

[0084] Specifically, parse each field in SIB1, identify and extract parameter information for evaluating whether the terminal is allowed to access the cell from multiple fields, and determine whether the 5G neighboring cell of the different system allows RedCap terminals to access based on the parameter information.

[0085] The parameter information is:

[0086] cellBarredRedCap1Rx / cellBarredRedCap2Rx

[0087] halfDuplexRedCapAllowed

[0088] intraFreqReselectionRedCap

[0089] cellBarredRedCap-r17.

[0090] From the above description, it can be seen that in the present application, after determining that the signal measurement result meets the preset switching conditions, the system message of the 5G base station of the alien system 5G neighboring cell is read, and whether the alien system 5G neighboring cell supports the RedCap mode is determined according to the system message; after determining that the alien system 5G neighboring cell supports the RedCap mode, a signal measurement report is sent to the LTE base station so that the LTE base station generates a switching decision based on the signal measurement report; the network is switched to the 5G base station of the alien system 5G neighboring cell according to the switching decision; or, after determining that the alien system 5G neighboring cell supports the RedCap mode, a switching indication is generated, and a signal measurement report carrying the switching indication is sent. To the LTE base station, so that the LTE base station generates a switching decision according to the signal measurement report and the switching indication; according to the switching decision, the network is switched to the 5G base station of the 5G neighboring cell of the different system; and after determining that the 5G neighboring cell of the different system does not support the RedCap mode, the 5G neighboring cell of the different system is marked as not supporting the RedCap mode; this avoids the situation where the RedCap terminal switches to a non-RedCap cell when switching from LTE to 5G cell, thereby causing a switching failure, and avoids the RedCap terminal from repeating the switching process from LTE to 5G cell, so that the RedCap terminal can switch from LTE to 5G cell more stably and quickly.

[0091] In one embodiment of the present application, based on the above embodiment, after step S205, a process is further included in which the user terminal determines whether to execute the handover decision according to the judgment result, which is described in detail as follows:

[0092] S208: Determine whether the 5G neighboring cell of the other system supports the RedCap mode according to the system message, so as to generate a judgment result for storage; send a signal measurement report to the LTE base station, so that the LTE base station generates a switching decision according to the signal measurement report; receive the switching decision sent by the LTE base station, and determine whether to switch the network to the base station of the 5G neighboring cell of the other system according to the switching decision and the judgment result; if the judgment result is that the 5G neighboring cell of the other system supports the RedCap mode, then switch the network to the 5G base station of the 5G neighboring cell of the other system according to the switching decision; if the judgment result is that the 5G neighboring cell of the other system does not support the RedCap mode, then mark the 5G neighboring cell of the other system as not supporting the RedCap mode, and refuse to execute the switching decision.

[0093] Specifically, the system message is parsed to obtain the remaining minimum system information SIB1 of the heterogeneous 5G neighboring cell; based on SIB1, it is determined whether the heterogeneous 5G neighboring cell allows RedCap terminals to access.

[0094] Exemplarily, by parsing the MIB of the 5G base station of the heterogeneous system 5G neighboring cell, parameters capable of identifying SIB1 (System Information Block 1, remaining minimum system information) are obtained, and the SIB is parsed according to the parameters to obtain the SIB1 of the 5G base station of the heterogeneous system 5G neighboring cell.

[0095] Specifically, parse each field in SIB1, identify and extract parameter information for evaluating whether the terminal is allowed to access the cell from multiple fields, and determine whether the 5G neighboring cell of the different system allows RedCap terminals to access based on the parameter information.

[0096] The parameter information is:

[0097] cellBarredRedCap1Rx / cellBarredRedCap2Rx

[0098] halfDuplexRedCapAllowed

[0099] intraFreqReselectionRedCap

[0100] cellBarredRedCap-r17.

[0101] From the above description, it can be seen that in the present application, after determining that the signal measurement result meets the preset switching conditions, the system message of the 5G base station of the 5G neighboring cell of the heterogeneous system is read, and whether the 5G neighboring cell of the heterogeneous system supports the RedCap mode is determined according to the system message, and the judgment result is generated for storage; a signal measurement report is sent to the LTE base station, so that the LTE base station generates a switching decision according to the signal measurement report; the switching decision sent by the LTE base station is received, and if the judgment result is that the 5G neighboring cell of the heterogeneous system supports the RedCap mode, the network is switched to the 5G base station of the 5G neighboring cell of the heterogeneous system according to the switching decision; if the judgment result is that the 5G neighboring cell of the heterogeneous system does not support the RedCap mode, the 5G neighboring cell of the heterogeneous system is marked as not supporting the RedCap mode, and the switching decision is refused to execute; this avoids the situation where the RedCap terminal switches to a non-RedCap cell when switching from LTE to 5G cell, thereby causing a switching failure, and avoids the RedCap terminal from repeating the switching process from LTE to 5G cell, so that the RedCap terminal switches from LTE to 5G cell more stably and quickly.

[0102] In one embodiment of the present application, based on the above embodiment, in step S203 or S204, signal measurement is performed according to the signal measurement indication to obtain a signal measurement report, and the specific process is described in detail as follows:

[0103] S2041: Perform signal measurement on a neighboring 5G cell of a different system according to the signal measurement indication to obtain a first signal measurement result.

[0104] Specifically, the measurement requirements in the signal measurement indication are parsed, and signal measurements are performed on the wireless channels of the 5G neighboring cells of the different systems according to the measurement control related configurations.

[0105] S2042: Generate a B1 event measurement report according to the first signal measurement result.

[0106] In this embodiment, the B1 event measurement report includes the first signal measurement result and at least one of the following: the signal strength and quality of the heterogeneous 5G neighboring cell, the signal coverage range of the heterogeneous 5G neighboring cell, and the transmission power of the user terminal.

[0107] Correspondingly, the preset switching condition in step S205 includes: a preset B1 event switching condition, wherein the B1 event switching condition is that the first signal measurement result is higher than a preset first threshold value.

[0108] In one embodiment, if the B1 event measurement report indicates that the B1 event switching condition is not met, the cell switching task is interrupted.

[0109] Accordingly, S206 specifically includes: sending a B1 event measurement report to the LTE base station, so that the LTE base station generates a handover decision according to the B1 event measurement report; or.

[0110] Correspondingly, S207 specifically includes: if it is determined that the 5G neighboring cell of the different system supports the RedCap mode, a switching indication is generated, and a B1 event measurement report is sent to the LTE base station.

[0111] The B1 event measurement report carries a switching indication.

[0112] In one embodiment of the present application, in step S203 or S204, signal measurement is performed according to the signal measurement indication to obtain a signal measurement report. Another implementation is provided, which is described in detail as follows:

[0113] S2043: Perform signal measurements on the heterosystem 5G neighboring cell and the LTE cell respectively according to the signal measurement indication to obtain a first signal measurement result and a second signal measurement result.

[0114] Specifically, the measurement requirements in the signal measurement indication are parsed, and according to the measurement control related configuration, signal measurements are performed on the wireless channels of the 5G neighboring cells and LTE cells of the different systems respectively.

[0115] S2044: Generate a B2 event measurement report according to the first signal measurement result and the second signal measurement result.

[0116] In this embodiment, the B2 event measurement report includes the first signal measurement result, the second signal measurement result and at least one of the following: LTE cell signal strength and quality, heterogeneous 5G neighbor cell signal strength and quality, heterogeneous 5G neighbor cell signal coverage range and user terminal transmission power.

[0117] Correspondingly, the preset switching condition in step S205 includes: a preset B2 event switching condition, wherein the B2 event switching condition is that the first signal measurement result is higher than a preset first threshold value, and the second signal measurement result is lower than a preset second threshold value.

[0118] In one embodiment, if the B2 event measurement report indicates that the B2 event switching condition is not met, the cell switching task is interrupted.

[0119] Accordingly, S206 specifically includes: sending a B2 event measurement report to the LTE base station, so that the LTE base station generates a handover decision according to the B2 event measurement report; or.

[0120] Correspondingly, S207 specifically includes: if it is determined that the 5G neighboring cell of the different system supports the RedCap mode, a switching indication is generated, and a B2 event measurement report is sent to the LTE base station.

[0121] The B2 event measurement report carries a switching indication.

[0122] An embodiment of the present application further provides a cell switching method, the execution subject of this embodiment is Figure 1 The LTE base station shown in , the method comprises:

[0123] S301: When sensing that any user terminal moves from an LTE cell to a 5G neighboring cell of a different system, a signal measurement indication is sent to the user terminal to enable the user terminal to determine whether the 5G neighboring cell of the different system has a target mode identification, wherein the target mode identification is an identification that the 5G neighboring cell of the different system does not support the RedCap mode; if it is determined that the 5G neighboring cell of the different system has a target mode identification, the existence duration of the target mode identification is obtained; if it is determined that the existence duration exceeds the preset duration, signal measurement is performed according to the signal measurement indication to obtain a signal measurement report; if it is determined that the 5G neighboring cell of the different system does not have a target mode identification, signal measurement is performed according to the signal measurement indication to obtain a signal measurement report; if it is determined that the signal measurement report satisfies the preset switching condition, the system message of the 5G base station of the 5G neighboring cell of the different system is read, and whether the 5G neighboring cell of the different system supports the RedCap mode is determined according to the system message.

[0124] S302: Receive a signal measurement report sent by a user terminal after determining that a 5G neighboring cell of a different system supports the RedCap mode based on a system message; generate a switching decision based on the signal measurement report, and send it to the user terminal, so that the user terminal switches the network to a 5G base station of a 5G neighboring cell of a different system based on the switching decision; or.

[0125] S303: Receive a signal measurement report sent by the user terminal, wherein the signal measurement report carries a switching indication, wherein the switching indication is generated when the user terminal determines that the 5G neighboring cell of the heterogeneous system supports the RedCap mode; generate a switching decision based on the signal measurement report and the switching indication, and send the switching decision to the user terminal, so that the user terminal switches the network to the base station of the 5G neighboring cell of the heterogeneous system according to the switching decision; receive a signal measurement report sent by the user terminal, wherein the signal measurement report carries an interruption switching indication, wherein the interruption switching indication is generated after the user terminal determines that the 5G neighboring cell of the heterogeneous system does not support the RedCap mode; interrupt the switching task according to the signal measurement report.

[0126] From the above description, it can be seen that the present application sends a signal measurement indication to the user terminal. After receiving the signal measurement report sent by the user terminal after determining that the 5G neighboring cell of the different system supports the RedCap mode according to the system message, a switching decision is generated according to the signal measurement report and sent to the user terminal. This avoids the situation where the RedCap terminal switches to a non-RedCap cell when switching from LTE to 5G cell, thereby causing a switching failure, and makes the switching of the RedCap terminal from LTE to 5G cell more stable.

[0127] In one embodiment of the present application, based on the above embodiment, after step S301, a process is further included in which the user terminal determines whether to execute the handover decision according to the judgment result, which is described in detail as follows:

[0128] S304: Receive a signal measurement report sent by the user terminal; generate a switching decision based on the signal measurement report, and send the switching decision to the user terminal, so that the user terminal determines whether to switch the network to the base station of the 5G neighboring cell of the different system based on the switching decision and the judgment result, wherein the judgment result is generated after the user terminal determines whether the 5G neighboring cell of the different system supports the RedCap mode according to the system message.

[0129] Figure 3 This is a schematic diagram of the structure of a cell switching device provided by an embodiment of the present application. Figure 3 As shown, the cell switching device 30 includes: a receiving module 301 , a first judging module 302 , a first measuring module 303 , a second measuring module 304 , a second judging module 305 and a switching module 306 .

[0130] The receiving module 301 is used to receive a signal measurement indication sent by an LTE base station, wherein the signal measurement indication is sent by the LTE base station of the LTE cell when the LTE base station senses that the user terminal moves from the LTE cell to a 5G neighboring cell of a different system;

[0131] The first judgment module 302 is used to judge whether the heterogeneous system 5G neighboring cell has a target mode identifier, wherein the target mode identifier is an identifier that the heterogeneous system 5G neighboring cell does not support the RedCap mode;

[0132] The first measurement module 303 is used for obtaining the existence duration of the target mode identifier if it is determined that the heterosystem 5G neighboring cell has the target mode identifier; if it is determined that the existence duration exceeds the preset duration, performing signal measurement according to the signal measurement indication to obtain a signal measurement report;

[0133] The second measurement module 304 is configured to perform signal measurement according to the signal measurement indication to obtain a signal measurement report if it is determined that the heterosystem 5G neighboring cell does not have a target mode identifier;

[0134] The second judgment module 305 is configured to read the system message of the 5G base station of the heterosystem 5G neighboring cell if it is determined that the signal measurement report meets the preset switching condition;

[0135] The switching module 306 is used to determine whether the heterosystem 5G neighboring cell supports the RedCap mode according to the system message; if it is determined that the heterosystem 5G neighboring cell supports the RedCap mode, the signal measurement report is sent to the LTE base station, so that the LTE base station generates a switching decision according to the signal measurement report; the switching decision sent by the LTE base station is received, and the network is switched to the 5G base station of the heterosystem 5G neighboring cell according to the switching decision; if it is determined that the heterosystem 5G neighboring cell does not support the RedCap mode, the signal measurement report is not sent to the LTE base station, and the heterosystem 5G neighboring cell is marked as not supporting the RedCap mode; or,

[0136] Determine whether the alien system 5G neighboring cell supports the RedCap mode according to the system message; if it is determined that the alien system 5G neighboring cell supports the RedCap mode, generate a switching indication, and send the signal measurement report to the LTE base station, wherein the signal measurement report carries the switching indication, so that the LTE base station generates a switching decision according to the signal measurement report and the switching indication; receive the switching decision sent by the LTE base station, and switch the network to the base station of the alien system 5G neighboring cell according to the switching decision; if it is determined that the alien system 5G neighboring cell does not support the RedCap mode, mark the alien system 5G neighboring cell as not supporting the RedCap mode, generate an interruption switching indication, and send the signal measurement report to the LTE base station, wherein the signal measurement report carries the interruption switching indication, so that the LTE base station interrupts the switching task according to the signal measurement report.

[0137] In a possible design, the switching module 306 is also used to: determine whether the alien system 5G neighboring cell supports the RedCap mode according to the system message, so as to generate a judgment result for storage; send the signal measurement report to the LTE base station, so that the LTE base station generates a switching decision according to the signal measurement report; receive the switching decision sent by the LTE base station, and determine whether to switch the network to the base station of the alien system 5G neighboring cell according to the switching decision and the judgment result; if the judgment result is that the alien system 5G neighboring cell supports the RedCap mode, then switch the network to the 5G base station of the alien system 5G neighboring cell according to the switching decision; if the judgment result is that the alien system 5G neighboring cell does not support the RedCap mode, then mark the alien system 5G neighboring cell as not supporting the RedCap mode, and refuse to execute the switching decision.

[0138] In one possible design, the first measurement module 303 is specifically used to: perform signal measurement on the heterosystem 5G neighboring cell according to the signal measurement indication to obtain a first signal measurement result; and generate a B1 event measurement report according to the first signal measurement result. The preset switching condition includes: a preset B1 event switching condition, wherein the B1 event switching condition is that the first signal measurement result is higher than a preset first threshold value. The switching module 306 is specifically used to: send the B1 event measurement report to the LTE base station so that the LTE base station generates a switching decision based on the B1 event measurement report; or, if it is determined that the heterosystem 5G neighboring cell supports the RedCap mode, a switching indication is generated, and the B1 event measurement report is sent to the LTE base station.

[0139] In a possible design, the first measurement module 303 is further specifically used to: perform signal measurements on the heterosystem 5G neighboring cell and the LTE cell respectively according to the signal measurement indication to obtain a first signal measurement result and a second signal measurement result; generate a B2 event measurement report according to the first signal measurement result and the second signal measurement result. The preset switching condition includes: a preset B2 event switching condition, wherein the B2 event switching condition is that the first signal measurement result is higher than a preset first threshold value, and the second signal measurement result is lower than a preset second threshold value. The switching module 306 is further specifically used to: send the B2 event measurement report to the LTE base station, so that the LTE base station generates a switching decision based on the B2 event measurement report; or, if it is determined that the heterosystem 5G neighboring cell supports the RedCap mode, a switching indication is generated, and the B2 event measurement report is sent to the LTE base station.

[0140] In a possible design, the switching module 306 is further specifically used to: parse the system message to obtain the remaining minimum system information SIB1 of the heterosystem 5G neighboring cell; and determine whether the heterosystem 5G neighboring cell allows RedCap terminals to access based on the SIB1.

[0141] The device provided in this embodiment can be used to execute the technical solution of the above method embodiment. Its implementation principle and technical effect are similar, and this embodiment will not be repeated here.

[0142] Figure 4 This is a schematic diagram of the structure of a cell switching device provided by another embodiment of the present application. Figure 4 As shown, the cell switching device 40 includes: a sending module 401 and a receiving module 402 .

[0143] The sending module 401 is used to send a signal measurement indication to any user terminal when sensing that the user terminal moves from the LTE cell to a 5G neighboring cell of a different system, so that the user terminal determines whether the 5G neighboring cell of the different system has a target mode identifier, wherein the target mode identifier is an identifier that the 5G neighboring cell of the different system does not support the RedCap mode. If it is determined that the 5G neighboring cell of the different system has the target mode identifier, the existence duration of the target mode identifier is obtained. If it is determined that the existence duration exceeds a preset duration, signal measurement is performed according to the signal measurement indication to obtain a signal measurement report. If it is determined that the 5G neighboring cell of the different system does not have a target mode identifier, signal measurement is performed according to the signal measurement indication to obtain a signal measurement report. If it is determined that the signal measurement report satisfies the preset switching condition, the system message of the 5G base station of the 5G neighboring cell of the different system is read, and whether the 5G neighboring cell of the different system supports the RedCap mode is determined according to the system message.

[0144] The receiving module 402 is used to receive the signal measurement report sent by the user terminal after determining that the heterosystem 5G neighboring cell supports the RedCap mode according to the system message; generate a switching decision according to the signal measurement report, and send it to the user terminal, so that the user terminal switches the network to the 5G base station of the heterosystem 5G neighboring cell according to the switching decision; or,

[0145] Receive the signal measurement report sent by the user terminal, wherein the signal measurement report carries a switching indication, wherein the switching indication is generated by the user terminal when it determines that the heterosystem 5G neighboring cell supports the RedCap mode; generate a switching decision based on the signal measurement report and the switching indication, and send the switching decision to the user terminal, so that the user terminal switches the network to the base station of the heterosystem 5G neighboring cell according to the switching decision; receive the signal measurement report sent by the user terminal, wherein the signal measurement report carries an interrupt switching indication, wherein the interrupt switching indication is generated after the user terminal determines that the heterosystem 5G neighboring cell does not support the RedCap mode; interrupt the switching task according to the signal measurement report.

[0146] In a possible design, the receiving module 402 is also used to: receive the signal measurement report sent by the user terminal; generate a switching decision based on the signal measurement report, and send the switching decision to the user terminal, so that the user terminal determines whether to switch the network to the base station of the heterosystem 5G neighboring cell based on the switching decision and the judgment result, wherein the judgment result is generated after the user terminal determines whether the heterosystem 5G neighboring cell supports the RedCap mode based on the system message.

[0147] The device provided in this embodiment can be used to execute the technical solution of the above method embodiment. Its implementation principle and technical effect are similar, and this embodiment will not be repeated here.

[0148] Figure 5 This is a schematic diagram of the hardware structure of the terminal device provided in the embodiment of the present application. Figure 5 As shown, the terminal device 50 of this embodiment includes: at least one processor 501 and a memory 502; the memory stores computer-executable instructions; at least one processor executes the computer-executable instructions stored in the memory, so that at least one processor executes the above cell switching method;

[0149] Optionally, the memory 502 may be independent or integrated with the processor 501 .

[0150] When the memory 502 is independently provided, the terminal device further includes a bus 503 for connecting the memory 502 and the processor 501 .

[0151] Figure 6 This is a schematic diagram of the hardware structure of the base station device provided in the embodiment of the present application. Figure 6 As shown, the base station device 60 of this embodiment includes: at least one processor 601 and a memory 602; the memory stores computer-executable instructions; at least one processor executes the computer-executable instructions stored in the memory, so that at least one processor executes the above cell switching method;

[0152] Optionally, the memory 602 may be independent or integrated with the processor 601 .

[0153] When the memory 602 is independently configured, the base station device further includes a bus 603 for connecting the memory 602 and the processor 601 .

[0154] An embodiment of the present application further provides a computer-readable storage medium, in which computer-executable instructions are stored. When a processor executes the computer-executable instructions, the cell switching method as described above is implemented.

[0155] An embodiment of the present application further provides a computer program product, including a computer program, and when the computer program is executed by a processor, the cell switching method as described above is implemented.

[0156] It should be noted that, for the aforementioned method embodiments, for the sake of simplicity, they are all expressed as a series of action combinations, but those skilled in the art should be aware that the present application is not limited by the described order of actions, because according to the present application, certain steps can be performed in other orders or simultaneously. Secondly, those skilled in the art should also be aware that the embodiments described in the specification are all optional embodiments, and the actions and modules involved are not necessarily required by the present application.

[0157] It should be further noted that, although the various steps in the flowchart are displayed in sequence according to the indication of the arrows, these steps are not necessarily executed in sequence in the order indicated by the arrows. Unless there is a clear description in this article, the execution of these steps is not strictly limited in order, and these steps can be executed in other orders. Moreover, at least a portion of the steps in the flowchart may include multiple sub-steps or multiple stages, and these sub-steps or stages are not necessarily executed at the same time, but can be executed at different times, and the execution order of these sub-steps or stages is not necessarily to be carried out in sequence, but can be executed in turn or alternately with other steps or at least a portion of the sub-steps or stages of other steps.

[0158] It should be understood that the above-mentioned device embodiments are only illustrative, and the device of the present application can also be implemented in other ways. For example, the division of units / modules in the above-mentioned embodiments is only a logical function division, and there may be other division methods in actual implementation. For example, multiple units, modules or components can be combined, or can be integrated into another system, or some features can be ignored or not executed.

[0159] In addition, unless otherwise specified, each functional unit / module in each embodiment of the present application may be integrated into one unit / module, each unit / module may exist physically separately, or two or more units / modules may be integrated together. The above-mentioned integrated unit / module may be implemented in the form of hardware or in the form of a software program module.

[0160] If the integrated unit / module is implemented in the form of hardware, the hardware may be a digital circuit, an analog circuit, etc. The physical implementation of the hardware structure includes but is not limited to transistors, memristors, etc. If not specifically stated, the processor may be any appropriate hardware processor, such as a CPU, a GPU, an FPGA, a DSP, an ASIC, etc. If not specifically stated, the storage unit may be any appropriate magnetic storage medium or magneto-optical storage medium, such as a resistive random access memory RRAM (Resistive Random Access Memory), a dynamic random access memory DRAM (Dynamic Random Access Memory), a static random access memory SRAM (Static Random-Access Memory), an enhanced dynamic random access memory EDRAM (Enhanced Dynamic Random Access Memory), a high-bandwidth memory HBM (High-Bandwidth Memory), a hybrid memory cube HMC (Hybrid Memory Cube), etc.

[0161] If the integrated unit / module is implemented in the form of a software program module and sold or used as an independent product, it can be stored in a computer-readable memory. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art or all or part of the technical solution, can be embodied in the form of a software product, which is stored in a memory and includes several instructions for a computer device (which can be a personal computer, a server or a network device, etc.) to perform all or part of the steps of the various embodiments of the present application. The aforementioned memory includes: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, disk or optical disk and other media that can store program codes.

[0162] In the above embodiments, the description of each embodiment has its own emphasis. For the part not described in detail in a certain embodiment, please refer to the relevant description of other embodiments. The technical features of the above embodiments can be combined arbitrarily. In order to make the description concise, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0163] Those skilled in the art will readily appreciate other embodiments of the present application after considering the specification and practicing the invention disclosed herein. The present application is intended to cover any modification, use or adaptation of the present application, which follows the general principles of the present application and includes common knowledge or customary techniques in the art that are not disclosed in the present application. The specification and examples are intended to be exemplary only, and the true scope and spirit of the present application are indicated by the following claims.

[0164] It should be understood that the present application is not limited to the precise structures that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present application is limited only by the appended claims.

Claims

1. A cell switching method, characterized in that: Applied to user terminals, including: Receiving a signal measurement indication sent by an LTE base station, wherein the signal measurement indication is sent by the LTE base station of the LTE cell when sensing that the user terminal moves from the LTE cell to a 5G neighboring cell of a different system; Determine whether the heterogeneous 5G neighboring cell has a target mode identifier, wherein the target mode identifier is an identifier that the heterogeneous 5G neighboring cell does not support the RedCap mode; If it is determined that the heterosystem 5G neighboring cell has the target mode identifier, the existence duration of the target mode identifier is obtained; if it is determined that the existence duration exceeds the preset duration, signal measurement is performed according to the signal measurement indication to obtain a signal measurement report; If it is determined that the heterosystem 5G neighboring cell does not have a target mode identifier, performing signal measurement according to the signal measurement indication to obtain a signal measurement report; If it is determined that the signal measurement report meets the preset switching condition, reading the system message of the 5G base station of the heterosystem 5G neighboring cell; Determine whether the alien system 5G neighboring cell supports the RedCap mode according to the system message; if it is determined that the alien system 5G neighboring cell supports the RedCap mode, send the signal measurement report to the LTE base station, so that the LTE base station generates a switching decision according to the signal measurement report; receive the switching decision sent by the LTE base station, and switch the network to the 5G base station of the alien system 5G neighboring cell according to the switching decision; if it is determined that the alien system 5G neighboring cell does not support the RedCap mode, do not send the signal measurement report to the LTE base station, and mark the alien system 5G neighboring cell as not supporting the RedCap mode; or, Determine whether the alien system 5G neighboring cell supports the RedCap mode according to the system message; if it is determined that the alien system 5G neighboring cell supports the RedCap mode, generate a switching indication, and send the signal measurement report to the LTE base station, wherein the signal measurement report carries the switching indication, so that the LTE base station generates a switching decision according to the signal measurement report and the switching indication; receive the switching decision sent by the LTE base station, and switch the network to the base station of the alien system 5G neighboring cell according to the switching decision; if it is determined that the alien system 5G neighboring cell does not support the RedCap mode, mark the alien system 5G neighboring cell as not supporting the RedCap mode, generate an interruption switching indication, and send the signal measurement report to the LTE base station, wherein the signal measurement report carries the interruption switching indication, so that the LTE base station interrupts the switching task according to the signal measurement report.

2. The method according to claim 1, characterized in that If it is determined that the signal measurement report meets the preset switching condition, after reading the system message of the 5G base station of the heterosystem 5G neighboring cell, it also includes: Determine whether the alien system 5G neighboring cell supports the RedCap mode according to the system message, so as to generate a judgment result for storage; send the signal measurement report to the LTE base station, so that the LTE base station generates a switching decision according to the signal measurement report; receive the switching decision sent by the LTE base station, and determine whether to switch the network to the base station of the alien system 5G neighboring cell according to the switching decision and the judgment result; if the judgment result is that the alien system 5G neighboring cell supports the RedCap mode, switch the network to the 5G base station of the alien system 5G neighboring cell according to the switching decision; if the judgment result is that the alien system 5G neighboring cell does not support the RedCap mode, mark the alien system 5G neighboring cell as not supporting the RedCap mode, and refuse to execute the switching decision.

3. The method according to claim 1, characterized in that The performing signal measurement according to the signal measurement indication and obtaining the signal measurement result includes: Perform signal measurement on the heterogeneous 5G neighboring cell according to the signal measurement indication to obtain a first signal measurement result; generating a B1 event measurement report according to the first signal measurement result; Accordingly, the preset switching condition includes: a preset B1 event switching condition, wherein the B1 event switching condition is that the first signal measurement result is higher than a preset first threshold value; Correspondingly, the sending the signal measurement report to the LTE base station so that the LTE base station generates a switching decision according to the signal measurement report includes: sending the B1 event measurement report to the LTE base station so that the LTE base station generates a switching decision according to the B1 event measurement report; or, Correspondingly, if it is determined that the heterosystem 5G neighboring cell supports the RedCap mode, a switching indication is generated, and the signal measurement report is sent to the LTE base station, including: if it is determined that the heterosystem 5G neighboring cell supports the RedCap mode, a switching indication is generated, and the B1 event measurement report is sent to the LTE base station.

4. The method according to claim 1, characterized in that: The performing signal measurement according to the signal measurement indication and obtaining the signal measurement result includes: Perform signal measurement on the heterosystem 5G neighboring cell and the LTE cell respectively according to the signal measurement indication to obtain a first signal measurement result and a second signal measurement result; generating a B2 event measurement report according to the first signal measurement result and the second signal measurement result; Accordingly, the preset switching condition includes: a preset B2 event switching condition, wherein the B2 event switching condition is that the first signal measurement result is higher than a preset first threshold value, and the second signal measurement result is lower than a preset second threshold value; Correspondingly, the sending the signal measurement report to the LTE base station so that the LTE base station generates a switching decision according to the signal measurement report includes: sending the B2 event measurement report to the LTE base station so that the LTE base station generates a switching decision according to the B2 event measurement report; or, Correspondingly, if it is determined that the alien system 5G neighboring cell supports the RedCap mode, a switching indication is generated, and the signal measurement report is sent to the LTE base station, including: if it is determined that the alien system 5G neighboring cell supports the RedCap mode, a switching indication is generated, and the B2 event measurement report is sent to the LTE base station.

5. The method according to any one of claims 1 to 4, characterized in that: The determining, according to the system message, whether the heterogeneous system 5G neighboring cell supports the RedCap mode includes: Parse the system message to obtain the remaining minimum system information SIB1 of the heterosystem 5G neighboring cell; Determine whether the heterogeneous 5G neighboring cell allows RedCap terminals to access based on the SIB1.

6. A cell switching method, characterized in that: Applied to LTE base stations, including: When sensing that any user terminal moves from an LTE cell to a 5G neighboring cell of a different system, a signal measurement indication is sent to the user terminal, so that the user terminal determines whether the 5G neighboring cell of the different system has a target mode identifier, wherein the target mode identifier is an identifier that the 5G neighboring cell of the different system does not support the RedCap mode; if it is determined that the 5G neighboring cell of the different system has the target mode identifier, the existence duration of the target mode identifier is obtained; if it is determined that the existence duration exceeds the preset duration, signal measurement is performed according to the signal measurement indication to obtain a signal measurement report; if it is determined that the 5G neighboring cell of the different system does not have the target mode identifier, signal measurement is performed according to the signal measurement indication to obtain a signal measurement report; if it is determined that the signal measurement report satisfies the preset switching condition, the system message of the 5G base station of the 5G neighboring cell of the different system is read, and whether the 5G neighboring cell of the different system supports the RedCap mode is determined according to the system message; Receiving the signal measurement report sent by the user terminal after determining that the heterosystem 5G neighboring cell supports the RedCap mode according to the system message; generating a switching decision according to the signal measurement report, and sending it to the user terminal, so that the user terminal switches the network to the 5G base station of the heterosystem 5G neighboring cell according to the switching decision; or, Receive the signal measurement report sent by the user terminal, wherein the signal measurement report carries a switching indication, wherein the switching indication is generated by the user terminal when it determines that the heterosystem 5G neighboring cell supports the RedCap mode; generate a switching decision based on the signal measurement report and the switching indication, and send the switching decision to the user terminal, so that the user terminal switches the network to the base station of the heterosystem 5G neighboring cell according to the switching decision; receive the signal measurement report sent by the user terminal, wherein the signal measurement report carries an interrupt switching indication, wherein the interrupt switching indication is generated after the user terminal determines that the heterosystem 5G neighboring cell does not support the RedCap mode; interrupt the switching task according to the signal measurement report.

7. The method according to claim 6, characterized in that After the step of sending a signal measurement indication to the user terminal when sensing that any user terminal moves from the LTE cell to a 5G neighboring cell of a different system, the step further includes: Receive the signal measurement report sent by the user terminal; generate a switching decision based on the signal measurement report, and send the switching decision to the user terminal, so that the user terminal determines whether to switch the network to the base station of the heterosystem 5G neighboring cell based on the switching decision and the judgment result, wherein the judgment result is generated after the user terminal determines whether the heterosystem 5G neighboring cell supports the RedCap mode based on the system message.

8. A cell switching device, characterized in that: Applied to user terminals, including: A receiving module, configured to receive a signal measurement indication sent by an LTE base station, wherein the signal measurement indication is sent by an LTE base station of an LTE cell when the LTE base station senses that a user terminal moves from the LTE cell to a 5G neighboring cell of a different system; The first judgment module is used to judge whether the heterogeneous system 5G neighboring cell has a target mode identifier, wherein the target mode identifier is an identifier that the heterogeneous system 5G neighboring cell does not support the RedCap mode; The first measurement module is used for obtaining the existence duration of the target mode identifier if it is determined that the heterosystem 5G neighboring cell has the target mode identifier; if it is determined that the existence duration exceeds the preset duration, performing signal measurement according to the signal measurement indication to obtain a signal measurement report; A second measurement module is configured to perform signal measurement according to the signal measurement indication to obtain a signal measurement report if it is determined that the heterosystem 5G neighboring cell does not have a target mode identifier; A second judgment module is configured to read a system message of a 5G base station of a 5G neighboring cell of a different system if it is determined that the signal measurement report meets a preset switching condition; A switching module is used to determine whether the heterosystem 5G neighboring cell supports the RedCap mode according to the system message; if it is determined that the heterosystem 5G neighboring cell supports the RedCap mode, the signal measurement report is sent to the LTE base station, so that the LTE base station generates a switching decision according to the signal measurement report; receive the switching decision sent by the LTE base station, and switch the network to the 5G base station of the heterosystem 5G neighboring cell according to the switching decision; if it is determined that the heterosystem 5G neighboring cell does not support the RedCap mode, the signal measurement report is not sent to the LTE base station, and the heterosystem 5G neighboring cell is marked as not supporting the RedCap mode; or, Determine whether the alien system 5G neighboring cell supports the RedCap mode according to the system message; if it is determined that the alien system 5G neighboring cell supports the RedCap mode, generate a switching indication, and send the signal measurement report to the LTE base station, wherein the signal measurement report carries the switching indication, so that the LTE base station generates a switching decision according to the signal measurement report and the switching indication; receive the switching decision sent by the LTE base station, and switch the network to the base station of the alien system 5G neighboring cell according to the switching decision; if it is determined that the alien system 5G neighboring cell does not support the RedCap mode, mark the alien system 5G neighboring cell as not supporting the RedCap mode, generate an interruption switching indication, and send the signal measurement report to the LTE base station, wherein the signal measurement report carries the interruption switching indication, so that the LTE base station interrupts the switching task according to the signal measurement report.

9. A cell switching device, characterized in that: Applied to LTE base stations, including: A sending module is used to send a signal measurement indication to any user terminal when sensing that the user terminal moves from an LTE cell to a 5G neighboring cell of a different system, so that the user terminal determines whether the 5G neighboring cell of the different system has a target mode identifier, wherein the target mode identifier is an identifier that the 5G neighboring cell of the different system does not support the RedCap mode; if it is determined that the 5G neighboring cell of the different system has the target mode identifier, the existence duration of the target mode identifier is obtained; if it is determined that the existence duration exceeds a preset duration, signal measurement is performed according to the signal measurement indication to obtain a signal measurement report; if it is determined that the 5G neighboring cell of the different system does not have a target mode identifier, signal measurement is performed according to the signal measurement indication to obtain a signal measurement report; if it is determined that the signal measurement report satisfies a preset switching condition, the system message of the 5G base station of the 5G neighboring cell of the different system is read, and whether the 5G neighboring cell of the different system supports the RedCap mode is determined according to the system message; A receiving module is used to receive the signal measurement report sent by the user terminal after determining that the heterosystem 5G neighboring cell supports the RedCap mode according to the system message; generate a switching decision according to the signal measurement report, and send it to the user terminal, so that the user terminal switches the network to the 5G base station of the heterosystem 5G neighboring cell according to the switching decision; or, Receive the signal measurement report sent by the user terminal, wherein the signal measurement report carries a switching indication, wherein the switching indication is generated by the user terminal when it determines that the heterosystem 5G neighboring cell supports the RedCap mode; generate a switching decision based on the signal measurement report and the switching indication, and send the switching decision to the user terminal, so that the user terminal switches the network to the base station of the heterosystem 5G neighboring cell according to the switching decision; receive the signal measurement report sent by the user terminal, wherein the signal measurement report carries an interrupt switching indication, wherein the interrupt switching indication is generated after the user terminal determines that the heterosystem 5G neighboring cell does not support the RedCap mode; interrupt the switching task according to the signal measurement report.

10. A terminal device, characterized in that: include: A processor, and a memory communicatively connected to the processor; The memory stores computer-executable instructions; The processor executes the computer-executable instructions stored in the memory to implement the cell switching method according to any one of claims 1 to 5.

11. A base station device, characterized in that: include: A processor, and a memory communicatively connected to the processor; The memory stores computer-executable instructions; The processor executes the computer-executable instructions stored in the memory to implement the cell switching method according to any one of claims 6 to 7.

12. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer-executable instructions, and when the computer-executable instructions are executed by a processor, they are used to implement the cell switching method according to any one of claims 1 to 5.

13. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer-executable instructions, and when the computer-executable instructions are executed by a processor, they are used to implement the cell switching method according to any one of claims 6 to 7.

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