Antenna deployment method and device for buildings

Abstract

The embodiment of the present application discloses an antenna deployment method and device for buildings, which are used to improve the effectiveness of signal coverage for buildings. The solution provided by the present application includes: obtaining structural parameter information of the target building and antenna position information of the antenna to be deployed relative to the target building, the position information of the structural partition includes the height information of the floor, wherein the structural parameter information includes the position information of multiple structural partitions in the target building; determining a signal loss model of the antenna to be deployed relative to the target building based on the structural parameter information and the antenna position information, the signal loss model represents the signal loss of the signal beam emitted by the antenna to be deployed reaching each structural partition of the target building; determining beam parameters of the transmission signal of the antenna to be deployed corresponding to multiple structural partitions respectively based on the signal loss model; and performing transmission signal beam configuration for the antenna to be deployed based on the beam parameters corresponding to the multiple structural partitions respectively.

Description

Technical Field

[0001] The present application relates to the field of wireless communications, and in particular to a method and device for deploying antennas in buildings. Background Art

[0002] In the field of wireless communications, high-rise residential buildings are densely populated, and buildings have serious signal attenuation, and high floors are often beyond the coverage of macro base stations. In high-rise residential scenarios, two coverage solutions can be adopted: indoor external introduction and ordinary passive indoor distribution.

[0003] In the indoor distribution and external introduction scheme, the antenna often has the defect of weak signal coverage in areas that are far away or have a large inclination angle. For the buildings that the antenna needs to cover, the signal coverage in different areas is uneven, and the communication environment of the receiving terminals located in different locations in the building is quite different.

[0004] How to improve the effectiveness of signal coverage for buildings is a technical problem to be solved by this application. Summary of the invention

[0005] The purpose of the embodiments of the present application is to provide a method and device for deploying antennas in buildings, so as to improve the effectiveness of signal coverage in buildings.

[0006] In a first aspect, a method for deploying antennas in a building is provided, comprising:

[0007] Acquire structural parameter information of a target building and antenna position information of an antenna to be deployed relative to the target building, wherein the structural parameter information includes position information of multiple structural partitions in the target building;

[0008] Determine a signal loss model of the antenna to be deployed relative to the target building based on the structural parameter information and the antenna position information, wherein the signal loss model represents the signal loss of the signal beam emitted by the antenna to be deployed reaching each structural partition of the target building;

[0009] Determine beam parameters corresponding to the transmission signal of the antenna to be deployed and the plurality of structural partitions respectively based on the signal loss model;

[0010] Based on the beam parameters respectively corresponding to the multiple structural partitions, transmit signal beam configuration is performed on the antenna to be deployed.

[0011] In a second aspect, an antenna deployment device for a building is provided, comprising:

[0012] An acquisition module, which acquires structural parameter information of a target building and antenna position information of an antenna to be deployed relative to the target building, wherein the structural parameter information includes position information of a plurality of structural partitions in the target building;

[0013] A first determination module determines a signal loss model of the antenna to be deployed relative to the target building based on the structural parameter information and the antenna position information, wherein the signal loss model represents the signal loss of the signal beam emitted by the antenna to be deployed reaching each structural partition of the target building;

[0014] A second determination module determines beam parameters corresponding to the transmission signal of the antenna to be deployed and the multiple structural partitions respectively based on the signal loss model;

[0015] A configuration module performs transmission signal beam configuration on the antenna to be deployed based on the beam parameters respectively corresponding to the multiple structural partitions.

[0016] According to a third aspect, an electronic device is provided. The electronic device comprises a processor, a memory, and a computer program stored in the memory and executable on the processor. When the computer program is executed by the processor, the steps of the method according to the first aspect are implemented.

[0017] According to a fourth aspect, a computer-readable storage medium is provided, on which a computer program is stored. When the computer program is executed by a processor, the steps of the method according to the first aspect are implemented.

[0018] In a fifth aspect, a computer program product is provided, the computer program product comprising a non-transitory computer-readable storage medium storing a computer program, the computer program being operable to cause a computer to execute part or all of the steps of the method of the first aspect.

[0019] In an embodiment of the present application, first, the structural parameter information of the target building and the antenna position information of the antenna to be deployed relative to the target building are obtained, wherein the structural parameter information includes the position information of multiple structural partitions in the target building; then, the signal loss model of the antenna to be deployed relative to the target building is determined based on the structural parameter information and the antenna position information, and the signal loss model represents the signal loss of the signal beam emitted by the antenna to be deployed reaching each structural partition of the target building; then, the beam parameters of the transmitted signal of the antenna to be deployed corresponding to the multiple structural partitions are determined based on the signal loss model; then, the transmitted signal beam configuration is performed on the antenna to be deployed based on the beam parameters corresponding to the multiple structural partitions. The solution provided in the embodiment of the present application can effectively improve the effectiveness of signal coverage of each structural partition by constructing a signal loss model to reflect the signal loss of the antenna signal reaching each structural partition, and then determine the beam parameters of each structural partition based on the signal loss, which is conducive to achieving balanced signal coverage. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0021] Figure 1a This is one of the flow charts of an antenna deployment method applied to a building in one embodiment of the present application;

[0022] Figure 1b is a schematic diagram of three different coverage modes based on antenna installation positions in an embodiment of the present application;

[0023] Figure 2a It is a front view of a target building and adjacent buildings of an antenna deployment method applied to a building in one embodiment of the present application;

[0024] Figure 2b is with Figure 2a Correspondingly, an embodiment of the present application includes a top view of a target building and adjacent buildings in a method for deploying antennas applied to buildings;

[0025] Figure 2c This is a second flow chart of an antenna deployment method applied to a building according to an embodiment of the present application;

[0026] Figure 3 This is a flowchart of an antenna deployment method applied to a building according to an embodiment of the present application;

[0027] Figure 4 This is a fourth flow chart of an antenna deployment method applied to a building according to an embodiment of the present application;

[0028] Figure 5 This is a fifth flow chart of an antenna deployment method applied to a building according to an embodiment of the present application;

[0029] Figure 6 This is a sixth flow chart of an antenna deployment method applied to a building according to an embodiment of the present application;

[0030] Figure 7 This is a seventh flow chart of an antenna deployment method applied to a building according to an embodiment of the present application;

[0031] Figure 8 It is a structural schematic diagram of an antenna deployment device applied to a building according to an embodiment of the present application. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application. The numbering of the drawings in this application is only used to distinguish the various steps in the scheme, and is not used to limit the execution order of the various steps. The specific execution order is subject to the description in the specification.

[0033] In the field of wireless communication technology, in order to achieve effective coverage of wireless signals, antennas often need to be deployed in appropriate locations to achieve signal coverage in the target area. In residential scenarios, residential buildings often block the propagation of wireless signals, and there may be weak signal coverage or even no signal in some areas.

[0034] In practical applications, incomplete signal coverage may be caused by a variety of reasons. In one case, if a single-beam spotlight antenna is used for coverage, weak coverage at the bottom may occur due to insufficient vertical beamwidth of the antenna. Specifically, the 3dB beamwidth of the vertical large-angle spotlight antenna is assumed to be about 60°, which may lead to insufficient coverage at the bottom. If two antennas are used for upper and lower coverage, although effective signal coverage can be achieved, there are problems such as large antenna construction volume and high cost. In another case, if a dual-beam spotlight antenna is used for coverage, uneven coverage may occur due to different propagation losses on upper and lower floors. Moreover, the upper and lower beams of the dual-beam spotlight antenna are often the same, but the signal propagation losses on different floors are different, which will cause the difference in the received signal level on the bottom floor to be too large compared to the upper floor. In addition, for the edge area of ​​the flat floor, the same horizontal beamwidth may lead to weak coverage or coverage overflow. The edge areas of floors at different heights have different receiving signal transmission distances. When the antennas with the same horizontal beamwidth are covered, coverage overflow often occurs in the upper edge area, while insufficient coverage occurs in the lower edge area. It can be seen that how to improve the effectiveness of signal coverage for buildings is a technical problem that needs to be solved urgently.

[0035] In order to solve the problems existing in the related art, the embodiment of the present application provides an antenna deployment method applied to a building. The solution provided by the embodiment of the present application can be used to implement antenna deployment in a target building, thereby achieving effective wireless signal coverage for the target building. Figure 1a As shown, the method provided in the embodiment of the present application includes the following steps:

[0036] S11: Acquire structural parameter information of a target building and antenna position information of an antenna to be deployed relative to the target building, wherein the structural parameter information includes position information of multiple structural partitions in the target building.

[0037] In this step, the target building may be a building intended to cover the wireless signal. The structural parameter information of the target building may include the external and internal structural parameters of the building, for example, the external structural parameters may include the length, width, height and other parameters of the building, and the internal structural parameters may include the number of floors, floor height, floor arrangement and other parameters of the building.

[0038] The structural parameter information of the target building includes the location information of multiple structural partitions of the target building, and the structural partitions can be pre-determined according to the actual structure of the target building. For example, the target building is divided by floors, and each floor is defined as a structural partition. Alternatively, the target building is divided into multiple structural partitions of preset heights according to a preset height. In actual applications, if the target building has a special structure, it can also be divided into multiple uneven structural partitions according to the actual structure.

[0039] The above-mentioned antennas to be deployed often need to be deployed near the target building. In practical applications, for example, they can be deployed outside the building adjacent to the target building to transmit signals to the target building to achieve signal coverage. For example, the antenna position information may include the coordinate position of the antenna to be deployed relative to the target building, and specifically may include parameters such as spacing and height.

[0040] S12: Determine a signal loss model of the antenna to be deployed relative to the target building based on the structural parameter information and the antenna position information, wherein the signal loss model represents the signal loss of the signal beam emitted by the antenna to be deployed reaching each structural partition of the target building.

[0041] Among them, the structural parameter information can reflect the structural characteristics of the target building that needs to be covered by the signal, and the antenna position information can reflect the position of the antenna to be deployed relative to the target building. Based on the above structural parameter information and antenna position information, a signal loss model for the signal transmitted by the antenna to be deployed to the target building can be constructed to characterize the signal loss of the signal propagating from the antenna to be deployed to the target building. Among them, the positions of various structural partitions of the target building relative to the antenna to be deployed are often different. In this step, the signal loss is determined based on the position of each structural partition relative to the antenna to be deployed, so that the signal loss model can represent the signal loss of the signal transmitted by the antenna to be deployed to each structural partition.

[0042] Optionally, in the step of constructing the signal loss model, the model construction can be performed in combination with the electromagnetic propagation characteristics of the signal. For mobile communications, when the radio wave transmission distance is very small and it is a direct wave, the signal transmission loss is very close to the loss in free space. For the scenario where the signal propagates from the outdoor free space, then enters the indoor space and reaches the receiver after loss due to the wall, a two-line model including two paths, the direct wave and the ground reflected wave, can be used to construct the above signal loss model.

[0043] S13: Determine beam parameters corresponding to the transmission signal of the antenna to be deployed and the multiple structural partitions respectively based on the signal loss model.

[0044] In this step, based on the signal loss from the antenna to be deployed to each structural partition characterized by the signal loss model, the corresponding beam parameters are determined for each structural partition. Since the signal propagation loss to each structural partition is different, the beam parameters are determined accordingly based on different signal losses in this step, so that the determined beam parameters can be applied to the corresponding structural partition. In this way, the signal emitted by the antenna to be deployed can achieve effective signal coverage for the structural partition, avoiding weak coverage of some structural partitions due to signal loss.

[0045] S14: Perform transmit signal beam configuration on the antenna to be deployed based on the beam parameters corresponding to the multiple structural partitions.

[0046] In this step, the antenna to be deployed is configured according to the beam parameters corresponding to each partition, so that the signal emitted by the antenna to be deployed can effectively cover each structural partition of the target building. The azimuth angles of each structural partition relative to the location of the antenna to be deployed are often different. The signal parameters emitted by the antenna to be deployed to each azimuth angle can be configured based on the relative position, so that the signal emitted by the antenna to be deployed can effectively cover the target building.

[0047] In an embodiment of the present application, first, the structural parameter information of the target building and the antenna position information of the antenna to be deployed relative to the target building are obtained, wherein the structural parameter information includes the position information of multiple structural partitions in the target building; then, the signal loss model of the antenna to be deployed relative to the target building is determined based on the structural parameter information and the antenna position information, and the signal loss model represents the signal loss of the signal beam emitted by the antenna to be deployed reaching each structural partition of the target building; then, the beam parameters of the transmitted signal of the antenna to be deployed corresponding to the multiple structural partitions are determined based on the signal loss model; then, the transmitted signal beam configuration is performed on the antenna to be deployed based on the beam parameters corresponding to the multiple structural partitions. The solution provided in the embodiment of the present application can effectively improve the effectiveness of signal coverage of each structural partition by constructing a signal loss model to reflect the signal loss of the antenna signal reaching each structural partition, and then determine the beam parameters of each structural partition based on the signal loss, which is conducive to achieving balanced signal coverage.

[0048] Optionally, the position information of the antenna to be deployed relative to the target building includes at least one optional position information, and the optional position information includes the rooftop position information of a building adjacent to the target building.

[0049] In practical applications, there may be multiple locations around the target building where antennas can be deployed, such as the roof, exterior wall, or floor of an adjacent building, or other surface locations of buildings or facilities at a certain height. If there are multiple optional locations around the target building, at least one optional location information can be obtained, and the transmission signal beam configuration can be determined for each location information in subsequent steps. Then, the advantages and disadvantages of each candidate location can be comprehensively considered from multiple aspects such as energy consumption and signal quality according to the beam configuration to select an optimal location for antenna deployment.

[0050] In high-rise residential building scenarios, multiple buildings are densely packed, and buildings may cause serious attenuation of signal propagation. Among them, some floors are high and usually exceed the coverage range of macro base stations. In practical applications, for the flat coverage of high-rise residential buildings, two coverage solutions can be adopted: indoor external introduction and ordinary passive indoor division. Usually, indoor external introduction is preferred to meet the thin coverage requirements, and vertical large-angle spotlight antennas are recommended for coverage.

[0051] Based on the different antenna installation locations, such as Figure 1b As shown, indoor external coverage can be divided into three types: coverage with antenna below, coverage with antenna above, and coverage with antenna above and below combined.

[0052] The antenna downward provides better coverage for high-rise areas, the antenna upward provides better coverage for low-rise areas, and the combination of the upper and lower antennas has the advantages of both. In the dual-beam antenna for building scenarios, the upper and lower beams are used to cover the upper and lower parts of the building respectively, and a single beam can be configured with an independent port.

[0053] For antenna installation, spotlight antennas need to be deployed at appropriate locations on the ground, surrounding lamp poles or buildings. Antennas deployed on the ground or lamp poles have relatively poor concealment, severe obstruction, and difficulty in site selection. In the later stage, they are easily affected by the activities of surrounding personnel and the environment, which reduces the service life of the equipment. If deployed on a building, for example, it can be laid above the unit door or on the waistline of the building, it may make it relatively difficult for maintenance personnel to go up to the station to operate. Taking into account factors such as construction and installation, coordination, and subsequent maintenance costs, in the solution provided in the embodiment of the present application, high-rise residential spotlight antennas are preferentially laid on the roofs of adjacent buildings, and a downward coverage solution is adopted.

[0054] Based on the solution provided in the above embodiment, optionally, the structural parameter information includes height information of multiple floors in the target building.

[0055] Assuming that the target building contains multiple floors, the height information of each floor can be obtained separately. In the solution provided in the embodiment of the present application, the antenna to be deployed is set on the roof of the adjacent building of the target building for illustration. Assuming that the structure of the target building and the adjacent building is the same, in this step, the height of each floor from the roof of the target building can be obtained.

[0056] Figure 2a shows a front view including the target building and adjacent buildings, Figure 2b Shown with Figure 2a The corresponding top view. The target building is indicated as Building 2 in the figure, and the adjacent building of the target building is indicated as Building 1 in the figure. The height of the target building and the adjacent building is H, the building width is W, and the distance between the buildings is D. The antenna to be deployed in the embodiment of the present application is placed at the top center of Building 1, and is used to transmit signals to cover the opposite Building 2. In Building 2, the height of the i-th floor from the top of the building is h. In the i-th floor, the distance from any position to the center line of the i-th floor is . is the antenna beam downward angle, is the horizontal coverage angle of the antenna. The center line of the i-th floor can specifically refer to the extension line of the nearest line from the center point of the ground area of ​​the i-th floor to the building 1.

[0057] Among them, Figure 2c As shown, in the above step S12, determining the signal loss model of the antenna to be deployed relative to the target building based on the structural parameter information and the antenna position information includes:

[0058] S21: Determine the inclination parameter, frequency band distance loss and Fresnel distance loss of the transmission signal of the antenna to be deployed relative to the i-th floor based on the relative position of the antenna to be deployed relative to the i-th floor.

[0059] In this step, various propagation modes such as free propagation and two-line propagation between buildings are fully considered to determine various parameters used to establish the signal loss model. In the high-rise area, the signal is closer to free propagation; in the low-rise area, the signal includes direct and reflected propagation, which is closer to the two-line propagation mode.

[0060] The inclination parameter of the transmission signal of the antenna to be deployed relative to the i-th floor is used to represent the angle at which the signal propagates from the antenna to be deployed to the i-th floor. Figure 2a , the inclination parameter can be expressed as .

[0061] In this step, the frequency band distance loss of the transmission signal of the antenna to be deployed relative to the i-th floor is expressed as , the frequency band of the signal transmitted by the antenna to be deployed is expressed as , accordingly, the frequency band distance loss can be expressed as .

[0062] In this step, the Fresnel distance loss is expressed as , which is the same as the first Fresnel distance About. ,in, , , They represent the height of the transmitter (antenna to be deployed), the height of the receiver and the wavelength respectively. is the distance between the transmitter and the receiver, is the beam downward pressure angle. The Fresnel distance loss satisfies the following formula:

[0063]

[0064] S22: Determine a signal loss model of the transmission signal of the antenna to be deployed relative to the i-th floor according to the tilt angle parameter, the frequency band distance loss and the Fresnel distance loss.

[0065] In this step, the free propagation and two-line propagation between buildings are comprehensively considered. Since the inclination angles and positions of the antennas to be deployed on different floors are different, the corresponding signal loss model is constructed for the i-th floor in this step. Figure 2a and Figure 2b In this example, or Represents the antenna on the top of Building 1, and the antenna beam downward angle is and the horizontal coverage angle is The signal propagation loss when For a receiver position on the ith floor, the vertical inclination angle corresponding to the ith floor can be substituted into and the horizontal inclination of the receiver on the i-th floor relative to the center line , the signal propagation loss is determined by the following formula:

[0066]

[0067] in, , , .

[0068] In the step of constructing the signal loss model for each location on all floors of the target building, the above-mentioned and , for example, with 1° as a preset step, determine the signal loss at each angle.

[0069] Through the solution provided in the embodiment of the present application, the propagation loss in the signal propagation process is fully considered, and a signal loss model is constructed based on multiple floors of the target building and multiple positions on the floors, so that the signal loss model can truly reflect the signal loss from the location of the antenna to be deployed to the position in the target building, which is conducive to improving the effectiveness of determining the beam parameters in the subsequent steps, thereby improving the effectiveness of signal coverage.

[0070] Based on the solution provided in the above embodiment, optionally, Figure 3 As shown, in the above step S13, determining the beam parameters corresponding to the transmission signal of the antenna to be deployed and the multiple structural partitions respectively based on the signal loss model includes:

[0071] S31: Determine the beam gains corresponding to the transmitted signal of the antenna to be deployed and each floor of the target building based on the signal loss model and the first constraint condition, wherein the first constraint condition includes that the extreme value difference of the strength of the received signal on each floor in the target building is less than a first preset extreme value difference.

[0072] In this step, the coverage difference between the upper and lower floors is analyzed, and a coverage difference function of the upper and lower floors based on the beam downward pressure angle is established. Specifically, the signal propagation path loss from the point closest to building 1 on the center line of each floor in the target building to the antenna to be deployed can be determined as , where the signal propagation path loss from the point closest to Building 1 on the center line of the highest floor of the target building to the antenna to be deployed is .

[0073] Among them, when the antenna to be deployed is set on the roof of the adjacent building, the signal propagation loss to the top floor of the target building is the smallest. As the minimum value, the path loss difference of each floor is determined. The path loss difference function of the floor can be expressed as The path loss difference function value can represent the target building The difference in signal propagation loss on a floor compared to the highest floor.

[0074] Furthermore, in this step, based on the first constraint condition and with respect to the signal propagation loss at different floors of the building, the beam gain of the antenna transmitting the signal at the angle of each floor is determined to reduce the difference in the strength of the signals received at different floors.

[0075] Specifically, in this step, the first constraint condition for the upper and lower coverage gains of high-rise building scenarios can be determined first, among which the first indicator condition is that the difference between the antenna gain and the path loss difference of different upper and lower floors is basically stable, and the second indicator condition is that when the gain of the upper half of the building is reduced and the gain of the lower half is increased, the final coverage intensity can still be guaranteed not to decrease compared to the original single-beam antenna.

[0076] Then, based on the coverage difference function of the beam depression angle determined above, the antenna beam gain is determined. Indicates that the antenna beam is at a downward angle of and the horizontal coverage angle is When the gain value is Satisfy the following formula:

[0077]

[0078] in, db; above It is a constant that can be preset. The larger the value, the greater the difference between gain and path loss. The larger the value, the smaller the difference between gain and path loss. In practical applications, a value not greater than 1dB can be selected here; It is the maximum gain value of single-beam spotlight antenna.

[0079] S32: Based on the beam gain of the transmitted signal of the antenna to be deployed and the beam width corresponding to the i-th floor and the second constraint condition, determine the beam width of the transmitted signal of the antenna to be deployed and the i-th floor, wherein the second constraint condition includes that the extreme difference of the strength of the received signal at any position on the i-th floor is less than a second preset extreme difference.

[0080] For any of the target buildings This step analyzes the coverage difference between the left and right floors and establishes the coverage difference function of the edge areas of different floors with different beam pressure angles and horizontal coverage angles. The floor path loss difference function can be expressed as ,in, and Respectively represent The beam downward angle and horizontal coverage angle at any location on the floor.

[0081] Subsequently, based on the beam gain and the coverage requirements of the floor edge area, the beam width of each floor is determined by the second constraint condition to achieve the horizontal coverage accuracy of different floors. In this step, the second constraint condition of the horizontal coverage beam width in the high-rise building scenario can be determined first, where the first indicator condition is that the receiving level of the edge area of ​​any floor must meet the minimum coverage requirement, and the second indicator condition is that the difference in the receiving level between the central coverage area and the edge area of ​​any floor is not greater than a preset value, for example, the preset value can be 10dB.

[0082] Based on the second constraint condition, the antenna beam lobe width is further determined based on the coverage difference function of the horizontal coverage angle. For example, the antenna beam 10dB power beam width can be:

[0083]

[0084] in, Indicates that the beam downward pressure angle on the i-th floor is When the horizontal coverage angle of the edge area is Specifically, it can be:

[0085]

[0086] Through the solution provided in the embodiment of the present application, the coverage difference analysis is performed on the high-rise building scene, and the coverage difference functions based on the antenna beam downward pressure angle and the horizontal coverage angle are established respectively, and then the signal propagation loss is analyzed from the vertical dimension and the horizontal dimension respectively, so as to determine the appropriate beam gain for different floor heights, and determine the appropriate beam width for different positions in the floor, so as to ensure that the antenna signal configured according to the beam parameters can effectively cover each position of each floor of the target building. Moreover, determining the beam parameters based on the first constraint condition and the second constraint condition can effectively limit the difference in the received signals at different positions in the target building, comprehensively improve the signal coverage uniformity from the vertical dimension and the horizontal dimension, and reduce the perceived difference in the received signals at different positions.

[0087] In the scenario of high-rise building coverage, this solution can establish a comprehensive signal transmission loss model. Based on the path loss and coverage differences at different floors and locations in the coverage area, the radiation performance indicators such as the blade antenna beam gain, beam width, maximum gain direction and gain outside the target area can be determined to achieve balanced coverage above and below high-rise buildings and accurate horizontal coverage, thereby improving antenna coverage efficiency.

[0088] Based on the solution provided in the above embodiment, optionally, the beam parameters include a tilt parameter, a beam gain and a beam width;

[0089] Among them, Figure 4 As shown, in the above step S14, the transmission signal beam configuration is performed on the antenna to be deployed based on the beam parameters respectively corresponding to the multiple structural partitions, including:

[0090] S41: Determine the inclination interval of the target transmission signal based on the extreme values ​​of the inclination parameters respectively corresponding to the multiple structural partitions, and the inclination interval includes the extreme value.

[0091] In this step, the inclination interval of the target transmission signal is determined so that the inclination interval can cover multiple structural partitions of the target building. Among them, the extreme value of the inclination parameter can indicate the boundary of the structural partition of the target building. In this step, the inclination interval of the target transmission signal is determined based on the extreme value of the inclination parameter, which can ensure that the target transmission signal effectively covers the boundaries of multiple structural partitions of the target building and ensure that the signal fully covers the target building.

[0092] S42: Divide the inclination interval of the target transmission signal into inclination sub-intervals corresponding to N sub-beams respectively according to a sub-beam division rule.

[0093] In this step, the inclination interval of the target transmission signal is divided, and the sub-beam division rule based on which the division is performed can be preset according to actual needs. For example, assuming that the inclination interval is greater than 0° and less than 60°, the division is performed according to the preset inclination step of 20°, and a 0° radiation angle, a 20° radiation angle, a 40° radiation angle, and a 60° radiation angle can be obtained.

[0094] By dividing the signal into multiple inclination sub-intervals, the signal parameter configuration corresponding to different inclination angles can be refined, which is conducive to making the configured signal meet the needs of receivers at different inclination angles and ensuring effective signal coverage of each floor of the target building.

[0095] S43: Determine sub-beam gains corresponding to the N sub-beams respectively based on the beam gains corresponding to the multiple structural partitions respectively.

[0096] In this step, the sub-beam gain corresponding to each sub-beam can be determined based on the correspondence between the sub-beam and each structural partition. For example, for a 0° radiation angle sub-beam, the beam gain corresponding to the floor corresponding to the angle (i.e., the highest floor of the target building) can be determined as the sub-beam gain corresponding to the 0° radiation angle sub-beam. Optionally, if the sub-beam radiation angle involves multiple floors, the maximum beam gain among the multiple floors involved is determined as the beam gain corresponding to the sub-beam radiation angle to ensure that the beam gain at this angle can meet the receiving side signal strength coverage requirements of each floor at this angle.

[0097] S44: Determine sub-beam widths corresponding to the N sub-beams respectively based on the beam widths corresponding to the multiple structural partitions respectively.

[0098] Similar to the beam gain, the sub-beam width of each sub-beam is determined in this step. For any sub-beam, at least one floor corresponding to the sub-beam is determined, and then the maximum beam width corresponding to at least one floor is determined as the sub-beam width of the sub-beam to ensure that the beam width at this angle can meet the signal strength coverage requirements of the receiving side at any position of each floor at this angle.

[0099] S45: Perform transmit signal beam configuration for the antenna to be deployed according to the tilt angle sub-intervals, sub-beam gains and sub-beam widths respectively corresponding to the N sub-beams.

[0100] In this step, the tilt sub-intervals, sub-beam gains and sub-beam widths corresponding to the N sub-beams are comprehensively considered to perform the transmission signal beam configuration for the antenna to be deployed, so that the signal transmitted by the antenna to be deployed can meet the tilt sub-intervals, sub-beam gains and sub-beam widths corresponding to the above N sub-beams, thereby achieving effective signal coverage for each floor and any location of the target building.

[0101] Based on the solution provided in the above embodiment, optionally, Figure 5 As shown, in the above step S41, determining the inclination interval of the target transmission signal based on the extreme values ​​of the inclination parameters respectively corresponding to the multiple structural partitions includes:

[0102] S51: Determine the maximum values ​​of the inclination parameters corresponding to the multiple structural partitions.

[0103] In the scenario where the antenna to be deployed is set on the roof of an adjacent building, the maximum tilt angle is the tilt angle of the antenna to be deployed pointing to the lowest floor of the target building. Figure 2a Taking the scenario shown in the figure as an example, the maximum beam downward pressure angle can be expressed as .

[0104] S52: Determine the maximum signal loss of the signal beam transmitted by the antenna to be deployed according to the maximum value of the tilt parameter reaching the target building.

[0105] Since the signal propagates the farthest from the antenna to be deployed to the target building at the maximum downward pressure angle, the signal loss is the greatest. Therefore, the maximum signal loss is determined based on the maximum downward pressure angle in this step, which can be expressed as , specifically Substitute the first The path loss variability function of the floors determines this value.

[0106] S53: Determine the coverage fluctuation signal loss based on the difference between the maximum signal loss and a preset coverage fluctuation parameter.

[0107] In this step, the coverage fluctuation signal loss is determined based on the preset coverage fluctuation parameter, where the preset coverage fluctuation parameter can be expressed as , the coverage fluctuation signal loss can be expressed as . Wherein, R is a preset positive number. The smaller R is set, the more balanced the coverage of the bottom area of ​​the target building is; the larger R is set, the greater the difference in the coverage of the bottom area is. Optionally, the value of R in the embodiment of the present application is not greater than 2. The preset coverage fluctuation parameter can achieve parameter fault tolerance, which is used to reduce signal fluctuations at extreme downward pressure angles and extreme signal gains, and improve the overall stability of signal coverage.

[0108] S54: Determine the coverage fluctuation inclination corresponding to the coverage fluctuation signal loss as the maximum value of the inclination interval corresponding to the multiple structural partitions.

[0109] In this step, based on the calculation in the above steps, Determine the corresponding coverage fluctuation inclination The coverage fluctuation inclination is determined as the maximum value of the inclination interval, and the inclination interval is greater than or equal to 0° and less than or equal to Optionally, the beam downward pressure angle interval corresponding to the maximum gain of the antenna to be deployed can be set to ).

[0110] Furthermore, based on the above inclination angle range, 0° to Divided into For the sub-wavewidth, its beam tilt angle range can be expressed as Then, for the divided N sub-beams, the electrical performance index of the knife-beam antenna is determined based on the gain, beam width, and maximum gain radiation angle of the beam.

[0111] Optional, for sub-beams, with an inclination range of , the interval gain satisfies .

[0112] Optional, for The beam pressure angle is , antenna beam 10dB power beam width: .

[0113] For example, for a high-rise building coverage scenario with a building width of 35 meters, a building height of 100 meters, and a building distance of 45 meters, the antenna beam can be determined as shown in the following table:

[0114] Parameter (unit) index Operating frequency band (MHz) 1710-2690 Polarization ±45° Average gain (vertical plane -5° radiation angle) (dBi) ≤6 Average gain (vertical plane 0° radiation angle) (dBi) ≥8.5 Average gain (20° radiation angle in vertical plane) (dBi) ≥10.5 Average gain (40° radiation angle in vertical plane) (dBi) ≥12.5 Average gain (60° radiation angle in vertical plane) (dBi) ≥17.5 Average gain (65° radiation angle in vertical plane) (dBi) ≥17.5 Average gain (80° radiation angle in vertical plane) (dBi) ≤9 Horizontal plane -10dB beam width (0° radiation angle) (°) ≥40 Horizontal plane -10dB beamwidth (20° radiation angle) (°) ≥40 Horizontal plane -10dB beamwidth (40° radiation angle) (°) ≥30 Horizontal plane -10dB beamwidth (60° radiation angle) (°) ≥20 Horizontal plane -10dB beamwidth (65° radiation angle) (°) ≥15 Roll-off of all slices in the horizontal plane (°) ≤20 All side lobe suppression in the horizontal plane (dB) ≥18

[0115] Based on the solution provided in the above embodiment, optionally, Figure 6 As shown, before the above step S45, that is, before performing the transmission signal beam configuration for the antenna to be deployed according to the tilt angle sub-intervals, sub-beam gains and sub-beam widths respectively corresponding to the N sub-beams, the method further includes:

[0116] S61: Determine the effective coverage of the target building by the antenna to be deployed according to the tilt sub-intervals, sub-beam gains and sub-beam widths respectively corresponding to the N sub-beams.

[0117] In this step, based on the antenna beam at a downward pressure angle of and the horizontal coverage angle is Time gain value Calculate the effective coverage of the antenna ,in, is the input power to the antenna, It is the antenna performance indicator.

[0118] S62: Determine a beam gain corresponding to at least one overflow tilt angle based on a preset overflow constraint condition and the effective coverage rate, wherein the value of the at least one overflow tilt angle falls outside the tilt angle interval of the target transmission signal.

[0119] In this step, the beam gain of the overflow tilt angle is adjusted based on the preset overflow constraint condition to limit the overflow of the antenna to be deployed. For example, the beam gain of the overflow tilt angle is adjusted based on the effective coverage greater than or equal to 80%. The example shown in the above table is used for illustration, where the overflow tilt angle is, for example, the minimum beam down-angle of -5° (i.e. -5°) and the maximum beam down-angle of +5° (i.e. 65°). Adjust the beam gain of the minimum beam down-angle of -5° and beam gain at large beam down angle +5° , so that the beam gain of the overflow tilt angle is less than the preset beam gain upper limit, thereby limiting the signal overflow above the highest floor and below the lowest floor of the target building, so as to reduce the waste of signal resources while ensuring that the signal effectively covers the target building.

[0120] Next, combine Figure 7 The schematic diagram of the process shown in the figure further illustrates this scheme.

[0121] The solution provided in the embodiment of the present application can be applied to the high-rise building coverage scenario, and signals are transmitted to the target building by deploying antennas on the roofs of buildings adjacent to the target building to achieve wireless signal coverage.

[0122] First, based on the high-rise building coverage scenario, a signal transmission model is established to calculate the signal transmission path loss at different floors and locations of the target building. This model can reflect the differences in signal coverage at various locations of the target building.

[0123] Then, we conduct coverage difference analysis of high-rise building scenes and establish coverage difference function based on antenna beam downward angle and horizontal coverage angle. Thus, we can analyze signal coverage difference in both vertical and horizontal dimensions, which is conducive to achieving comprehensive coverage of all locations of the target building.

[0124] Next, based on the coverage differences of high-rise building scenarios, the beam gain is determined to achieve balanced coverage of the upper and lower parts of the high-rise building scenarios. On the one hand, determining the beam gain based on coverage differences can ensure that the signals received at each location of the target building meet the signal coverage requirements. On the other hand, determining the beam gain based on coverage differences can improve the balance of the received signals at each location of the target building, avoiding large differences in the experience of receiving signals at different locations.

[0125] Afterwards, based on the beam gain and floor edge area coverage requirements, the beam width is determined to achieve accurate left and right coverage of different floors in high-rise building scenarios. This allows signal coverage of each floor in the horizontal dimension, ensuring that the beam width can effectively cover the edge corners of each floor.

[0126] Subsequently, the antenna beam maximum gain direction and gain index outside the target area are determined to improve antenna coverage efficiency. On the basis of ensuring signal coverage efficiency, the signal gain at the edge of the target building is limited to avoid excessive signal overflow and improve signal utilization.

[0127] Finally, the electrical performance index of the knife-beam antenna is determined based on the beam gain, beam width, and maximum gain radiation angle. The antenna signal is then comprehensively configured from multiple aspects, such as beam gain, beam width, and beam tilt, so that the signal emitted by the antenna can effectively and accurately cover the target building, improve the signal coverage balance on the basis of effective coverage, and suppress edge overflow.

[0128] In order to solve the problems of weak coverage on the ground floor and unbalanced coverage between upper and lower floors of single-beam spotlight antennas and dual-beam spotlight antennas in high-rise residential scenarios, the solution provided in the embodiments of the present application determines the gain of the antenna in different directions based on the difference in path loss between upper and lower floors, so that the arrival signal level values ​​of the upper and lower floors are close, thereby achieving balanced coverage above and below the high-rise building scenario. In order to solve the problem of weak coverage or coverage overflow in the edge area of ​​the flat floor, the present solution effectively determines the lobe width of the antenna beam, achieves effective coverage of the edge area of ​​the flat floor, and achieves accurate left and right coverage of different floors in the high-rise building scenario. Through the solution provided in the embodiments of the present application, the parameters of the knife-shaped antenna beam can be effectively determined, effective coverage of high-rise residential scenarios can be achieved, and the antenna coverage efficiency can be improved.

[0129] In order to solve the problems existing in the related art, the embodiment of the present application further provides an antenna deployment device 80 applied to a building, such as Figure 8 As shown, including:

[0130] An acquisition module 81 is configured to acquire structural parameter information of a target building and antenna position information of an antenna to be deployed relative to the target building, wherein the structural parameter information includes position information of multiple structural partitions in the target building;

[0131] A first determination module 82 determines a signal loss model of the antenna to be deployed relative to the target building based on the structural parameter information and the antenna position information, wherein the signal loss model represents the signal loss of the signal beam emitted by the antenna to be deployed reaching each structural partition of the target building;

[0132] A second determination module 83 determines beam parameters corresponding to the transmission signal of the antenna to be deployed and the plurality of structural partitions respectively based on the signal loss model;

[0133] The configuration module 84 performs transmit signal beam configuration on the antenna to be deployed based on the beam parameters respectively corresponding to the multiple structural partitions.

[0134] Through the device provided by the embodiment of the present application, first, the structural parameter information of the target building and the antenna position information of the antenna to be deployed relative to the target building are obtained, wherein the structural parameter information includes the position information of multiple structural partitions in the target building; then, the signal loss model of the antenna to be deployed relative to the target building is determined based on the structural parameter information and the antenna position information, and the signal loss model represents the signal loss of the signal beam emitted by the antenna to be deployed reaching each structural partition of the target building; then, based on the signal loss model, the beam parameters of the transmitted signal of the antenna to be deployed corresponding to the multiple structural partitions are determined; then, based on the beam parameters corresponding to the multiple structural partitions, the transmitted signal beam configuration is performed on the antenna to be deployed. The scheme provided by the embodiment of the present application, by constructing a signal loss model to reflect the signal loss of the antenna signal reaching each structural partition, and then determining the beam parameters of each structural partition based on the signal loss, can effectively improve the effectiveness of signal coverage of each structural partition, and is conducive to achieving balanced signal coverage.

[0135] Among them, the above modules in the device provided by the embodiment of the present application can also implement the method steps provided by the above method embodiment. Alternatively, the device provided by the embodiment of the present application can also include other modules in addition to the above modules to implement the method steps provided by the above method embodiment. And the device provided by the embodiment of the present application can achieve the technical effects that can be achieved by the above method embodiment.

[0136] Preferably, an embodiment of the present application also provides an electronic device, including a processor, a memory, and a computer program stored in the memory and executable on the processor. When the computer program is executed by the processor, the various processes of the above-mentioned antenna deployment method embodiment applied to a building are implemented, and the same technical effect can be achieved. To avoid repetition, it will not be described here.

[0137] The embodiment of the present application also provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, each process of the above-mentioned antenna deployment method embodiment applied to a building is implemented, and the same technical effect can be achieved. To avoid repetition, it is not repeated here. The computer-readable storage medium is, for example, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, etc.

[0138] An embodiment of the present application also provides a computer program product, which includes a non-transitory computer-readable storage medium storing a computer program. The computer program can be operated to enable a computer to execute part or all of the steps of the above-mentioned antenna deployment method embodiment applied to a building, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.

[0139] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, systems, or computer program products. Therefore, the present application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present application may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.

[0140] The present application is described with reference to the flowcharts and / or block diagrams of the methods, devices (systems), and computer program products according to the embodiments of the present application. It should be understood that each process and / or box in the flowchart and / or block diagram, as well as the combination of the processes and / or boxes in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate a device for implementing the functions specified in one process or multiple processes in the flowchart and / or one box or multiple boxes in the block diagram.

[0141] These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing device to work in a specific manner, so that the instructions stored in the computer-readable memory produce a manufactured product including an instruction device that implements the functions specified in one or more processes in the flowchart and / or one or more boxes in the block diagram.

[0142] These computer program instructions may also be loaded onto a computer or other programmable data processing device so that a series of operational steps are executed on the computer or other programmable device to produce a computer-implemented process, whereby the instructions executed on the computer or other programmable device provide steps for implementing the functions specified in one or more processes in the flowchart and / or one or more boxes in the block diagram.

[0143] In a typical configuration, a computing device includes one or more processors (CPU), input / output interfaces, network interfaces, and memory.

[0144] Memory may include non-permanent storage in a computer-readable medium, in the form of random access memory (RAM) and / or non-volatile memory, such as read-only memory (ROM) or flash RAM. Memory is an example of a computer-readable medium.

[0145] Computer readable media include permanent and non-permanent, removable and non-removable media that can be implemented by any method or technology to store information. Information can be computer readable instructions, data structures, program modules or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technology, compact disk read-only memory (CD-ROM), digital versatile disk (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices or any other non-transmission media that can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include temporary computer readable media (transitory media), such as modulated data signals and carrier waves.

[0146] It should also be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, commodity or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, commodity or device. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the process, method, commodity or device including the elements.

[0147] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, systems or computer program products. Therefore, the present application may take the form of a complete hardware embodiment, a complete software embodiment or an embodiment combining software and hardware. Moreover, the present application may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.

[0148] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. An antenna deployment method for a building, characterized in that: include: Acquire structural parameter information of a target building and antenna position information of an antenna to be deployed relative to the target building, wherein the structural parameter information includes position information of multiple structural partitions in the target building, and the position information of the structural partitions includes height information of floors; Determine a signal loss model of the antenna to be deployed relative to the target building based on the structural parameter information and the antenna position information, wherein the signal loss model represents the signal loss of the signal beam emitted by the antenna to be deployed reaching each structural partition of the target building, and the signal loss model is constructed by a two-line model including two paths of a direct wave and a ground reflected wave; Determine beam parameters corresponding to the transmission signal of the antenna to be deployed and the plurality of structural partitions respectively based on the signal loss model; Performing transmit signal beam configuration on the antenna to be deployed at the position corresponding to the antenna position information based on the beam parameters respectively corresponding to the multiple structural partitions; Wherein, determining the signal loss model of the antenna to be deployed relative to the target building based on the structural parameter information and the antenna position information includes: Determine the inclination parameter, frequency band distance loss and Fresnel distance loss of the transmission signal of the antenna to be deployed relative to the i-th floor based on the relative position of the antenna to be deployed relative to the i-th floor; A signal loss model of the transmission signal of the antenna to be deployed relative to the i-th floor is determined according to the tilt angle parameter, the frequency band distance loss and the Fresnel distance loss.

2. The method according to claim 1, characterized in that Determining beam parameters corresponding to the transmission signal of the antenna to be deployed and the plurality of structural partitions respectively based on the signal loss model includes: Determine the beam gains corresponding to the transmission signal of the antenna to be deployed and each floor of the target building based on the signal loss model and the first constraint condition, wherein the first constraint condition includes that the extreme value difference of the strength of the received signal on each floor of the target building is less than a first preset extreme value difference; Based on the beam gain corresponding to the transmitted signal of the antenna to be deployed and the i-th floor and the second constraint condition, the beam width corresponding to the transmitted signal of the antenna to be deployed and the i-th floor is determined, wherein the second constraint condition includes that the extreme value difference of the strength of the received signal at any position on the i-th floor is less than a second preset extreme value difference.

3. The method according to claim 1 or 2, characterized in that The beam parameters include tilt parameters, beam gain and beam width.

4. The method according to claim 3, characterized in that Performing transmit signal beam configuration on the antenna to be deployed based on the beam parameters respectively corresponding to the multiple structural partitions, including: Determine the inclination interval of the target transmission signal based on the extreme values ​​of the inclination parameters respectively corresponding to the multiple structural partitions, wherein the inclination interval includes the extreme value; Dividing the inclination interval of the target transmission signal into inclination sub-intervals corresponding to N sub-beams respectively according to the sub-beam division rule; Determine sub-beam gains corresponding to the N sub-beams respectively based on the beam gains corresponding to the multiple structural partitions respectively; Determine the sub-beam widths corresponding to the N sub-beams respectively based on the beam widths corresponding to the multiple structural partitions respectively; According to the tilt angle sub-intervals, sub-beam gains and sub-beam widths respectively corresponding to the N sub-beams, a transmission signal beam configuration is performed on the antenna to be deployed.

5. The method according to claim 4, characterized in that Determining the inclination interval of the target transmission signal based on the extreme values ​​of the inclination parameters respectively corresponding to the multiple structural partitions includes: Determining maximum values ​​of inclination parameters corresponding to the plurality of structural partitions; Determine the maximum signal loss of the signal beam transmitted by the antenna to be deployed according to the maximum value of the tilt parameter reaching the target building; Determining a coverage fluctuation signal loss based on a difference between the maximum signal loss and a preset coverage fluctuation parameter; The coverage fluctuation inclination corresponding to the coverage fluctuation signal loss is determined as a maximum value of the inclination interval corresponding to the multiple structural partitions.

6. The method according to claim 4, characterized in that Before performing the transmission signal beam configuration for the antenna to be deployed according to the tilt angle sub-intervals, sub-beam gains and sub-beam widths respectively corresponding to the N sub-beams, the method further includes: Determine the effective coverage rate of the target building by the antenna to be deployed according to the tilt sub-intervals, sub-beam gains and sub-beam widths respectively corresponding to the N sub-beams; A beam gain corresponding to at least one overflow tilt angle is determined based on a preset overflow constraint condition and the effective coverage rate, wherein a value of the at least one overflow tilt angle falls outside a tilt angle interval of the target transmission signal.

7. An antenna deployment device for use in a building, characterized in that: include: An acquisition module, which acquires structural parameter information of a target building and antenna position information of an antenna to be deployed relative to the target building, wherein the structural parameter information includes position information of multiple structural partitions in the target building, and the position information of the structural partitions includes height information of floors; A first determination module determines a signal loss model of the antenna to be deployed relative to the target building based on the structural parameter information and the antenna position information, wherein the signal loss model represents the signal loss of the signal beam emitted by the antenna to be deployed reaching each structural partition of the target building, and the signal loss model is constructed by a two-line model including two paths of a direct wave and a ground reflected wave; A second determination module determines beam parameters corresponding to the transmission signal of the antenna to be deployed and the multiple structural partitions respectively based on the signal loss model; A configuration module, performing a transmission signal beam configuration on the antenna to be deployed at a position corresponding to the antenna position information based on the beam parameters respectively corresponding to the multiple structural partitions; Wherein, determining the signal loss model of the antenna to be deployed relative to the target building based on the structural parameter information and the antenna position information includes: Determine the inclination parameter, frequency band distance loss and Fresnel distance loss of the transmission signal of the antenna to be deployed relative to the i-th floor based on the relative position of the antenna to be deployed relative to the i-th floor; A signal loss model of the transmission signal of the antenna to be deployed relative to the i-th floor is determined according to the tilt angle parameter, the frequency band distance loss and the Fresnel distance loss.

8. An electronic device, characterized in that: include: A memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the computer program implements the steps of the method according to any one of claims 1 to 6 when executed by the processor.

9. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps of the method according to any one of claims 1 to 6 are implemented.

10. A computer program product, characterized in that The computer program product comprises a non-transitory computer-readable storage medium storing a computer program, the computer program being operable to cause a computer to perform the steps of the method according to any one of claims 1 to 6.

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