Site selection method, device, processing equipment, chip and storage medium

Abstract

The application discloses a site selection method and device, a processing device, a chip and a computer readable storage medium. The method comprises the following steps: collecting image data of a first site area; constructing a three-dimensional model of the first site area according to the image data of the first site area; marking an influence area related to site selection of a reference station in the three-dimensional model; and determining a site selection strategy of the reference station according to the three-dimensional model with the influence area marked. Thus, the visualization of the influence area is realized through the three-dimensional model of the first site area, reasonable site selection suggestions are given according to the three-dimensional model, and basic support can be provided for the construction of a high-precision reference station network.

Description

Technical Field

[0001] This application relates to the fields of three-dimensional modeling technology and reference stations, and in particular to a site selection method, apparatus, processing equipment, chip and storage medium. Background Technology

[0002] As a core component of high-precision positioning systems, establishing high-quality ground-based augmentation stations, i.e., selecting the location of the reference station, is a key challenge in station construction. Whether in cities or towns, buildings with stable power supply, intact communication facilities, and solid foundations are generally chosen as GNSS ground-based augmentation stations. Therefore, effective methods are still needed to provide recommendations on reference station location selection. Summary of the Invention

[0003] To address the aforementioned technical problems, embodiments of this application provide an addressing method, apparatus, processing device, chip, and computer-readable storage medium.

[0004] Collect image data of the first site area;

[0005] A 3D model of the first site area is constructed based on the image data of the first site area.

[0006] Mark the influence area related to the location of the base station within the 3D model;

[0007] The location strategy for the base station is determined based on the 3D model with the affected area marked.

[0008] This application provides an address selection device, which includes:

[0009] The first acquisition unit is used to acquire image data of the first site area and obtain the area of ​​the first site area;

[0010] The first processing unit is used to obtain a three-dimensional model based on image data; the three-dimensional model is a three-dimensional model of the area of ​​the first site mentioned above; determine the affected area and mark the affected area within the three-dimensional model; and determine the base station site selection strategy based on the affected area and the three-dimensional model mentioned above.

[0011] The processing device provided in this application includes a processor and a memory. The memory is used to store computer programs, and the processor is used to call and run the computer programs stored in the memory to execute the addressing method described above.

[0012] The chip provided in this application includes a processor for calling and running a computer program from a memory, causing a device equipped with the chip to perform the above-described addressing method.

[0013] The computer-readable storage medium provided in this application embodiment is used to store a computer program that causes a computer to execute the above-described addressing method.

[0014] The technical solution described in this application first collects image data of a first site area, constructs a three-dimensional model of the first site area based on the image data, marks the influence areas related to the location of the base station within the three-dimensional model, and determines the location strategy of the base station based on the three-dimensional model with the marked influence areas. Thus, the influence areas are visualized through the three-dimensional model of the first site area, and rationalization suggestions for location selection are given based on this three-dimensional model, providing fundamental support for the construction of a high-precision base station network. Attached Figure Description

[0015] The accompanying drawings, which are provided to further illustrate this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application.

[0016] Figure 1 This is a flowchart illustrating the location selection method provided in an embodiment of this application;

[0017] Figure 2 This is a schematic diagram of the area affected by obstructions provided in an embodiment of this application;

[0018] Figure 3 This is a schematic diagram of the influence area division of the communication antenna provided in the embodiments of this application;

[0019] Figure 4 This is a schematic diagram of the structural composition of the addressing device provided in the embodiments of this application;

[0020] Figure 5 This is a schematic structural diagram of a processing device provided in an embodiment of this application;

[0021] Figure 6 This is a schematic structural diagram of the chip according to an embodiment of this application. Detailed Implementation

[0022] In order to gain a more detailed understanding of the features and technical content of the embodiments of this application, the implementation of the embodiments of this application will be described in detail below with reference to the accompanying drawings. The accompanying drawings are for reference and illustration only and are not intended to limit the embodiments of this application.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing embodiments of this application only and is not intended to limit this application.

[0024] In the following description, references are made to “some embodiments,” which describe a subset of all possible embodiments. However, it is understood that “some embodiments” may be the same subset or different subsets of all possible embodiments and may be combined with each other without conflict.

[0025] It should also be noted that the terms "first, second, and third" used in the embodiments of this application are only used to distinguish similar objects and do not represent a specific order of objects. It is understood that "first, second, and third" can be interchanged in a specific order or sequence where permitted, so that the embodiments of this application described herein can be implemented in an order other than that illustrated or described herein.

[0026] In the embodiments of this application, the term "and / or" is merely a description of the relationship between related objects, indicating that there can be three kinds of relationships. For example, object A and / or object B can represent three situations: object A exists alone, object A and object B exist simultaneously, and object B exists alone.

[0027] Furthermore, in the embodiments of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0028] As a core component of a high-precision positioning system, the selection of a high-quality ground-based augmentation station, i.e., the location of the reference station, is a key challenge in the construction of such a system. Whether in cities or towns, buildings with stable power supply, intact communication facilities, and solid foundations are generally chosen as GNSS ground-based augmentation stations. However, existing research lacks a significantly effective method for selecting GNSS reference station locations on buildings.

[0029] One approach proposes a continuous operation reference station (CORS) data acquisition and analysis method. This method effectively monitors the data quality of collection points in real time during the initial reconnaissance and testing phase of a large-scale CORS station construction process, determining whether a site meets the construction requirements. The system processes and analyzes the data, and the returned data is monitored in real time under the visualization of the database platform, allowing for control over the collected data. If the collected data quality is found to be poor, it indicates that the site does not meet the CORS construction requirements, allowing for timely site replacement. This efficient data acquisition and assessment saves costs. This method primarily focuses on real-time feedback of test data to improve data acquisition efficiency and does not include research on the selection of GNSS reference station sites on building floors.

[0030] One approach proposes an efficient simulation algorithm for the impact of terrain occlusion on the effective area of ​​GNSS interference sources. First, the number of GNSS interference sources, their location coordinates, and configuration parameters are determined. Then, based on the configuration parameters of each GNSS interference source, the analysis area for each source is determined. Next, within each analysis area, a reference surface-based visibility analysis method is used to assess the interference status of each target point within that area, thus obtaining the effective area of ​​each GNSS interference source. Finally, all the effective areas of the GNSS interference sources are stitched together according to latitude and longitude to obtain the multi-GNSS interference source effective area affected by terrain occlusion. The characteristic of this method for calculating the effective area of ​​GNSS interference sources is that it uses a region centered on the GNSS interference source and with its maximum effective distance as the radius; the analysis area is divided into two rows and columns. However, this two-dimensional row and column division method is only suitable for large-area outdoor areas with only point-like interference sources. Simple two-dimensional division cannot accurately delineate the affected area in complex scenarios.

[0031] One approach proposes a site selection model optimization method and a site selection method based on a ground-based augmentation system. The optimization method includes: identifying M base stations within a preset range around the monitoring station; establishing a site selection model and calculating the initial score of each base station based on its data quality score, elevation difference score, topographical score, and the initial weight coefficients of each score item; sorting the base stations according to their initial scores and determining an initial sequence of N preferred base stations; performing location calculations on the monitoring station based on the N preferred base stations; sorting the N preferred base stations according to the calculation results to obtain a target sequence; and adjusting the weight coefficients of each score item in the site selection model when the initial sequence and the target sequence differ so that the new sequence of scores obtained from the adjusted site selection model is the same as the target sequence. This method establishes a site selection model and calculates the score of each base station based on the data quality score, elevation difference score, and terrain score of each base station, as well as the initial weight coefficient of each score item. This method is mainly used for the site selection of monitoring stations, focusing on scoring the various data of the base station in combination with the weight coefficient. The scoring requires the full data such as test data of all base stations, original terrain and elevation difference, etc., which is time-consuming and labor-intensive, and does not solve the problem of optimal selection of GNSS reference stations on the building.

[0032] One approach proposes a method for selecting tower construction sites based on a 3D visualization model. This method involves determining the target tower construction area and its corresponding 3D image data. Based on topographical parameters, spatial parameters, and tower construction specifications obtained from the 3D image data, the address information of the pre-defined tower nodes is determined. A distribution map of the pre-defined tower nodes is generated from the 3D image data corresponding to the target tower construction area based on the address information. The 3D distribution map, the first node of the tower, and the last node of the tower are connected to obtain a 3D model of the transmission line corridor. This 3D model of the transmission line corridor can provide decision-making suggestions for users during the early stages of tower construction site selection. This method primarily combines 3D image data and pre-defined tower nodes to generate the 3D model of the transmission line corridor. This model can provide decision-making suggestions for users during the early stages of tower construction site selection. This method is applied to tower construction site selection, not to the site selection of floor-mounted GNSS reference stations.

[0033] One proposed method for optimal observation of BeiDou / GNSS millimeter-level satellite positioning during construction includes: a Building Information Modeling (BIM) system and the predicted orbital trajectory of GNSS positioning satellites (WGS84 coordinate system). This method unifies the construction BIM model and the satellite orbit model for effective observation area evaluation. Based on the calculation results, it determines the minimum cutoff satellite elevation angle for final calculation, ultimately determining the optimal position of the total station. This achieves efficient selection of the optimal position and observation time for millimeter-level satellite positioning observation during construction. However, this invention is only applicable to determining the optimal position and observation time during construction; the optimal position and time are variable, while the GNSS reference station is fixed and therefore not suitable for the site selection of GNSS reference stations on building floors.

[0034] To provide more accurate recommendations for the site selection of GNSS reference stations on building floors, the following technical solutions are proposed according to embodiments of this application.

[0035] It should be noted that although this article uses the example of floor-mounted GNSS reference station site selection, the technical solutions of this application are not limited to this, and the technical solutions of this application can also be applied to reference station site selection in other areas.

[0036] Figure 1 This is a flowchart illustrating the location selection method provided in an embodiment of this application; as shown Figure 1 As shown, the method includes the following steps:

[0037] Step 101: Collect image data of the first site area.

[0038] In some embodiments, a drone is used to perform oblique measurements on the first site area, which may be the floor area of ​​the proposed site. In some embodiments, the drone's aerial photography area is defined as 200 meters outward from the floor area of ​​the first site area, with the drone flying at an altitude higher than the height of the buildings within the aerial photography area, to complete the oblique photogrammetry of the defined area. The specific measurement range is determined according to the actual situation, and this application does not impose specific limitations on it.

[0039] Step 102: Construct a 3D model of the first site area based on the image data of the first site area.

[0040] In some implementations, the real-scene modeling software ContextCapture is used to construct a three-dimensional model of the first site area from the collected image data of the first site area. Other modeling methods can also be selected according to the actual situation. This application does not make specific limitations on this.

[0041] Step 103: Mark the influence area related to the location of the base station in the 3D model.

[0042] In some implementations, a 3D model of the first site area is imported into Rhino software, and then the affected area is divided into three-dimensional regions step by step. The affected areas include the affected areas of obstructions, communication antennas, and interfering objects. The affected areas within the first site area can also be determined according to the actual situation; this application does not specifically limit this. The following describes the methods for determining different types of affected areas.

[0043] Area of ​​influence of obstructions

[0044] In some implementations, if the affected area is the area affected by an obstruction, where the obstruction refers to an object that obstructs the communication signal of the base station; the method further includes:

[0045] Identify obstructions within the area of ​​the first site mentioned above;

[0046] The point height cutoff angle of the base station is determined based on the obstruction.

[0047] The area affected by the obstruction is determined based on the cutoff angle of the obstruction's height and that of the base station.

[0048] In some embodiments, obstructions on rooftops within the first site area typically include buildings, large billboards, tall trees or bamboo groves, large air conditioning units, and water tanks. The height cutoff angle of the base station is determined based on these obstructions, and the affected area of ​​the obstruction is determined based on the height cutoff angle of the obstruction and the base station. Specifically, the affected area is defined as the region where the angle between the obstruction and the upper outer contour of the obstruction lies within the complementary angle of the height cutoff angle. In some embodiments, the height cutoff angle of the base station should not exceed 15 degrees, but this can be determined based on actual conditions; this application does not impose specific limitations on this.

[0049] In some implementations, the schematic diagram of the area affected by the obstruction is referenced. Figure 2 As shown, the cutoff angle of the reference station's position height is 15 degrees, meaning that the area within 75 degrees of the angle between the reference station and the upper outer contour of the obstruction is considered the affected area, i.e., the area affected by the obstruction in the shaded part.

[0050] In some implementations, the influence areas of all buildings (structures) within a 100-meter radius of the first site are divided on the 3D model in sequence, and the influence areas are marked with dark colors. The influence area division of obstructions is mainly based on the direction facing the roof of the building, and the direction away can be ignored. Obstructions shorter than the building and objects on the roof of the building with a height less than the height of the GNSS antenna are not included in the influence area division because they have no obstruction effect.

[0051] The affected area of ​​the communication antenna

[0052] In some implementations, if the affected area includes the affected area of ​​the communication antenna, the method further includes:

[0053] The transmitting surface of the communication antenna, the height of the communication antenna, and the first distance are determined. The first distance is the distance from the target point to the communication antenna, and the target point is the farthest point from the communication antenna within the influence area.

[0054] The influence area of ​​the communication antenna is determined based on the transmitting surface of the communication antenna, the height of the communication antenna, and the aforementioned first distance.

[0055] Generally, 4G / 5G transmitting antennas operate at frequencies close to GNSS frequencies, which can interfere with the satellite signal reception of nearby GNSS antennas. The interference from 4G / 5G transmitting antennas to GNSS antennas is related to direction and distance; interference is greater when facing the transmitting antenna, and the closer the antenna is to the transmitting antenna, the greater the interference. Therefore, if the affected area is the same as the influence area of ​​a communication antenna, it is necessary to determine the transmitting surface, height, and first distance of the communication antenna. The transmitting surface and height of the communication antenna are determined by the communication antenna itself, and the first distance is the distance from the target point to the communication antenna, which can be determined according to the actual situation; this application does not impose specific limitations on this. The affected area plane is defined as a fan-shaped region perpendicular to the transmitting surface of the communication antenna. The three-dimensional influence area of ​​the communication antenna is determined by the height of the communication antenna and the first distance.

[0056] In some implementations, the schematic diagram of the influence area of ​​the communication antenna is referenced. Figure 3 As shown, the shaded area represents the region affected by the communication antenna. Figure 3 In this diagram, a 60-degree fan-shaped area perpendicular to the transmitting surface of the communication antenna is defined as the affected area plane, with the height equal to the height of the communication antenna. The initial distance is 15 meters. This forms a three-dimensional division of the communication antenna's affected area. If a pole has several transmitting antennas with different transmitting surfaces, the affected areas for each transmitting surface should be divided. If the affected areas overlap, they should be marked with a darker color. For communication poles with larger outlines, such as double-tube towers, triple-tube towers, or four-corner steel towers, in addition to dividing the interference area, an obstruction-affected area division should also be made, based on the previously mentioned criteria. For communication poles with smaller outlines, no obstruction-affected area division is required, but a distance of at least 3 meters should be maintained from the base station location.

[0057] Area of ​​influence of interfering objects

[0058] In some embodiments, if the affected area includes the affected area of ​​an interfering object, the interfering object refers to an object that causes at least one of the following interferences to the communication signal of the base station: multipath interference, electromagnetic interference, vibration interference; the method further includes:

[0059] Based on the location of the interfering object, determine its area of ​​influence.

[0060] In some implementations, if the interfering object is one that is prone to multipath effects, such as a body of water, a corrugated iron roof, or a solar panel, the location and affected area of ​​such an interfering object are marked in the three-dimensional model of the first site area based on its location, and the area of ​​the interfering object is measured.

[0061] In some implementations, if the interfering object is an electromagnetic interference-generating object, such as a microwave station, a radio transmitter, or a high-voltage line crossing area, the location of the interfering object and its affected area are marked in the three-dimensional model of the first site area according to the location of the interfering object.

[0062] In some implementations, if the interfering object is one that is prone to vibration interference, such as a mining area or railway, the location of the interfering object and its affected area are marked in the three-dimensional model of the first site area according to the location of the interfering object.

[0063] It should be noted that the technical solutions of this application embodiment list some of the affected areas, but are not limited thereto. The affected areas can be determined and marked according to the actual situation.

[0064] Step 104: Determine the location strategy of the base station based on the 3D model marked with the above-mentioned influence areas.

[0065] In some implementations, if the affected area is the area affected by obstructions or the area affected by communication antennas, the location strategy for the base station can be determined in the following ways:

[0066] Determine the first plane corresponding to the first altitude, which is the first construction altitude of the antenna of the base station;

[0067] Within the 3D model marked with the aforementioned affected areas, determine the non-affected areas on the first plane;

[0068] The location strategy for the base station is determined based on the area of ​​the non-affected region on the first plane.

[0069] In some implementations, based on the aforementioned principle of influence area division, all obstructions or communication antennas within the first site area are marked as influence areas on the 3D model. In some implementations, dark colors can be used for marking, and this application does not specifically limit this. A first plane, i.e., a reference plane, is determined based on the first construction height of the antenna at the base station. The first construction height of the antenna is the standard construction height of the antenna. The 3D model of the previously marked influence areas is cut using this first plane. On the cut surface, the dark part is the influence area of ​​the first plane, i.e., the influence area of ​​the standard antenna construction height, and the non-dark part is the non-influence area of ​​the first plane, i.e., the non-influence area of ​​the antenna construction height. The areas of the influence areas and non-influence areas are calculated, and then the proportion of the non-influence area to the entire cut surface is calculated. The location strategy of the base station is determined by the proportion of the non-influence area.

[0070] If the ratio of the area of ​​the non-affected area on the first plane to the area of ​​the first site area is greater than or equal to the first threshold, then the base station is selected within the first range; the first range is the area within the non-affected area on the first plane, and the distance from the obstruction and the communication antenna is greater than or equal to the second distance.

[0071] In some implementations, the first threshold is 10%, that is, when the ratio of the non-affected area on the first plane to the area of ​​the first site area is greater than 10%, the base station should be located within the first range, that is, the site should be located within the non-affected area, and at the same time, it should be far away from the location of obstructions and communication antennas, that is, the distance from obstructions and communication antennas is greater than or equal to the second distance. The second distance can be determined according to the actual situation, and this application does not make a specific limitation on it.

[0072] If the ratio of the area of ​​the non-affected area on the first plane to the area of ​​the first site area is less than the first threshold, then the first construction height of the antenna of the reference station will be increased to the second construction height.

[0073] In some implementations, if the non-affected area on the first plane occupies less than 10% of the area of ​​the first site area, it is considered whether there is a second site area within a five-kilometer radius. This second site area serves as a candidate area for base station site selection. If a second site area exists, the site selection strategy for the base station is determined within that area. The method for determining the site selection strategy within the second site area is consistent with the method described above for determining the site selection strategy within the first site area, and will not be repeated here. If there is no second site area within a five-kilometer radius, it is considered to increase the antenna construction height of the base station. From the first construction height to the second construction height, the obstruction interface of the obstruction on the antenna signal is a line-of-sight plane at a certain angle to the outer contour of the obstruction. The height of the affected area varies depending on the distance from the obstruction. Increasing the antenna construction height also increases the non-affected area. The increased height is related to the outer contour of the surrounding obstructions and should be reasonably analyzed in conjunction with the specific affected area data of the three-dimensional model described above to provide data for increasing the GNSS antenna height.

[0074] The second construction height must meet the following conditions:

[0075] The second construction height should be greater than or equal to H. min ,in,

[0076] H min (H z ×tan75°-F))×tan 15°;

[0077] The difference between the second construction height and the first construction height should be greater than or equal to H. Δ ,in,

[0078] HΔ =H min -H;

[0079] Among them, H min The minimum value of the second construction height; H z H is the height of the aforementioned obstruction; F is the horizontal distance between the base station's antenna and the aforementioned obstruction; Δ H represents the minimum difference between the second construction height and the first construction height; H is the standard construction height of the base station's antenna.

[0080] If the affected area includes the area affected by the interfering object, then based on the three-dimensional model marked with the affected area, it is determined that the affected area of ​​the aforementioned interfering object is not within the scope of the base station used for site selection. The interfering object is an object that causes electromagnetic interference and / or vibration interference to the communication signal of the base station.

[0081] In some implementations, if the interfering object is an object that causes electromagnetic interference and / or vibration interference to the communication signals of the base station, then the area affected by the interfering object is not within the scope of the base station's site selection.

[0082] If the affected area includes the interfering object, based on the three-dimensional model marked with the affected area, determine whether the area of ​​the affected area of ​​the interfering object is less than or equal to the second threshold and whether the area of ​​the interfering object is less than or equal to the third threshold. The interfering object is an object that causes multipath interference to the communication signal of the base station.

[0083] If the area of ​​the interference object's influence region is less than or equal to the second threshold and the area of ​​the interference object is less than or equal to the third threshold, then the area of ​​the interference object's influence region is determined to be within the range used by the base station for site selection.

[0084] If the area affected by the interfering object is greater than the second threshold and the area of ​​the interfering object is greater than the third threshold, then the area affected by the interfering object is determined not to be within the range of the base station for site selection.

[0085] In some implementations, if the interfering object is an object that causes multipath interference to the communication signal of the base station, such as a body of water, a corrugated iron roof, or a solar panel, then the area of ​​the area affected by the interfering object and the area of ​​the interfering object are calculated. If the area of ​​the area affected by the interfering object is less than or equal to a second threshold and the area of ​​the interfering object is less than or equal to a third threshold, then the area affected by the interfering object is not within the range used by the base station for site selection. If the area of ​​the area affected by the interfering object is greater than the second threshold and the area of ​​the interfering object is greater than the third threshold, then it is determined that the area affected by the interfering object is not within the range used by the base station for site selection.

[0086] In some implementations, if the area of ​​the interfering object and the area of ​​its affected region are less than or equal to 100 square meters, the rooftop can be used as a site for a base station; if the area of ​​the interfering object and the area of ​​its affected region exceed 100 square meters, the rooftop is not suitable for building a base station.

[0087] After determining the site within the first site area, mark the site location and antenna construction height on the 3D model. This data will be archived as site selection data.

[0088] The technical solution of this application, a base station site selection method based on a 3D model, firstly collects image data of a first site area using a drone. A 3D model of the first site area is then constructed based on this image data. Influence areas related to the base station site selection are marked within the 3D model. These influence areas include obstructions, communication antennas, and interfering objects. Different influence areas are marked within the 3D model, thus visualizing the influence areas. Based on this 3D model, the base station site selection strategy is determined. In this way, the 3D model created from drone-collected data serves as the basic analysis model for base station site selection, avoiding the need for surveyors to repeatedly go up and down stairs and solving the problem of inaccurate estimation of building topography and features. The 3D model of the first site area visualizes the influence areas. Based on the 3D model of the area to be analyzed, a three-dimensional area division is performed for different interference sources, and the influence and non-influence areas are visualized in 3D. Based on different influence areas and their conditions, rational site selection suggestions are given, providing fundamental support for the construction of a high-precision base station network and demonstrating broad applicability for base station construction.

[0089] The preferred embodiments of this application have been described in detail above with reference to the accompanying drawings. However, this application is not limited to the specific details of the above embodiments. Within the scope of the technical concept of this application, various simple modifications can be made to the technical solutions of this application, and these simple modifications all fall within the protection scope of this application. For example, the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. To avoid unnecessary repetition, this application will not describe the various possible combinations separately. Furthermore, various different embodiments of this application can also be arbitrarily combined, as long as they do not violate the spirit of this application, they should also be considered as the content disclosed in this application. Moreover, without conflict, the various embodiments and / or the technical features in the various embodiments described in this application can be arbitrarily combined with the prior art, and the resulting technical solutions should also fall within the protection scope of this application.

[0090] It should be understood that in the various method embodiments of this application, the sequence number of each process does not imply the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of this application.

[0091] Based on the same inventive concept as the foregoing embodiments. Figure 4 This is a schematic diagram of the structural composition of the addressing device provided in the embodiments of this application, as shown below. Figure 4 As shown, the addressing device includes:

[0092] First acquisition unit 401: used to acquire image data of the first site area and obtain the area of ​​the first site area;

[0093] First processing unit 402: used to construct a three-dimensional model of the first site area based on image data; the three-dimensional model is the three-dimensional model of the first site area; determine the affected area and mark the affected area in the three-dimensional model; determine the base station site selection strategy based on the affected area and the three-dimensional model.

[0094] In some embodiments, the first processing unit 402 is further configured to: determine a first plane corresponding to a first height, the first height being the first construction height of the antenna of the reference station; determine the influence area on the first plane within a three-dimensional model marked with the aforementioned influence area, and determine the non-influence area on the first plane; and determine the location strategy of the reference station based on the area of ​​the non-influence area on the first plane.

[0095] In some embodiments, the first processing unit 402 is further configured to: if the affected area is an affected area including an obstruction, the obstruction being an object that obstructs the communication signal of the base station, then determine the obstruction in the first site area; determine the position height cutoff angle of the base station based on the obstruction; and determine the affected area of ​​the obstruction based on the obstruction and the position height cutoff angle of the base station.

[0096] In some embodiments, the first processing unit 402 is further configured to: if the affected area includes the affected area of ​​the communication antenna, determine the transmitting surface of the communication antenna, the height of the communication antenna, and a first distance, wherein the first distance is the distance from the target point to the communication antenna, and the target point is the farthest point from the communication antenna within the affected area; and determine the affected area of ​​the communication antenna based on the transmitting surface of the communication antenna, the height of the communication antenna, and the aforementioned first distance.

[0097] In some embodiments, the first processing unit 402 is further configured to: if the ratio of the area of ​​the non-affected area on the first plane to the area of ​​the first site area is greater than or equal to a first threshold, then select a location for the base station within a first range; the first range is the area within the non-affected area on the first plane, and the distance from the obstruction and the communication antenna is greater than or equal to a second distance.

[0098] In some embodiments, the first processing unit 402 is further configured to: if the ratio of the area of ​​the non-affected area on the first plane to the area of ​​the first site area is less than a first threshold, then raise the first construction height of the antenna of the reference station to a second construction height.

[0099] In some embodiments, the first processing unit 402 is further configured to: obtain a second construction height, wherein the second construction height satisfies the following condition: the second construction height should be greater than or equal to H. min , where H min =(H z ×tan 75°-F)×tan15°; where, H min The minimum value of the second construction height; H z The height of the aforementioned obstruction is denoted by ; F is the horizontal distance between the antenna of the base station and the aforementioned obstruction.

[0100] In some embodiments, the first processing unit 402 is further configured to: determine the area of ​​influence of the interfering object, which refers to an object that causes at least one of the following interferences to the communication signal of the base station: multipath interference, electromagnetic interference, vibration interference; and determine the area of ​​influence of the interfering object based on its location.

[0101] In some embodiments, the first processing unit 402 is further configured to: if the affected area is an affected area including the interfering object, determine, based on the three-dimensional model marked with the affected area, that the affected area of ​​the interfering object does not belong to the range for site selection of the base station, wherein the interfering object is an object that causes electromagnetic interference and / or vibration interference to the communication signal of the base station.

[0102] In some embodiments, the first processing unit 402 is further configured to: if the affected area is an affected area including the interfering object, determine, based on the three-dimensional model marked with the affected area, whether the area of ​​the affected area of ​​the interfering object is less than or equal to a second threshold and whether the area of ​​the interfering object is less than or equal to a third threshold, wherein the interfering object is an object that causes multipath interference to the communication signal of the base station; if the area of ​​the affected area of ​​the interfering object is less than or equal to the second threshold and the area of ​​the interfering object is less than or equal to the third threshold, then determine that the affected area of ​​the interfering object belongs to the range used by the base station for site selection; if the area of ​​the affected area of ​​the interfering object is greater than the second threshold and the area of ​​the interfering object is greater than the third threshold, then determine that the affected area of ​​the interfering object does not belong to the range used by the base station for site selection.

[0103] Those skilled in the art should understand that Figure 4 The functions of each unit in the addressing device shown can be understood by referring to the relevant description of the aforementioned method. Figure 4 The functions of each unit in the addressing device shown can be implemented by a program running on a processor or by specific logic circuits.

[0104] Figure 5 This is a schematic structural diagram of a processing device 500 provided in an embodiment of this application. Figure 5 The processing device 500 shown includes a processor 501, which can call and run computer programs from memory to implement the methods in the embodiments of this application.

[0105] Optionally, such as Figure 5 As shown, the processing device 500 may further include a memory 502. The processor 501 can retrieve and run computer programs from the memory 502 to implement the methods described in this embodiment.

[0106] The memory 502 can be a separate device independent of the processor 501, or it can be integrated into the processor 501.

[0107] Optionally, such as Figure 5 As shown, the processing device 500 may also include a transceiver 503, which the processor 501 can control to communicate with other devices. Specifically, it can send information or data to other devices or receive information or data sent by other devices.

[0108] The transceiver 503 may include a transmitter and a receiver. The transceiver 503 may further include an antenna, which may be one or more.

[0109] Figure 6 This is a schematic structural diagram of the chip according to an embodiment of this application. Figure 6The chip 600 shown includes a processor 601, which can call and run computer programs from memory to implement the methods in the embodiments of this application.

[0110] Optionally, such as Figure 6 As shown, chip 600 may further include memory 602. Processor 601 can retrieve and run computer programs from memory 602 to implement the methods described in this embodiment.

[0111] The memory 602 can be a separate device independent of the processor 601, or it can be integrated into the processor 601.

[0112] Optionally, the chip 600 may also include an input interface 603. The processor 601 can control the input interface 603 to communicate with other devices or chips; specifically, it can acquire information or data sent by other devices or chips.

[0113] Optionally, the chip 600 may also include an output interface 604. The processor 601 can control the output interface 604 to communicate with other devices or chips, specifically, to output information or data to other devices or chips.

[0114] It should be understood that the chip mentioned in the embodiments of this application may also be referred to as a system-on-a-chip, system chip, chip system, or system-on-a-chip, etc.

[0115] It should be understood that the processor in the embodiments of this application may be an integrated circuit chip with signal processing capabilities. In implementation, the steps of the above method embodiments can be completed by integrated logic circuits in the processor's hardware or by instructions in software form. The processor described above can be a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, or discrete hardware components. It can implement or execute the methods, steps, and logic block diagrams disclosed in the embodiments of this application. The general-purpose processor can be a microprocessor or any conventional processor. The steps of the methods disclosed in the embodiments of this application can be directly embodied in the execution of a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor. The software modules can be located in random access memory, flash memory, read-only memory, programmable read-only memory, electrically erasable programmable memory, registers, or other mature storage media in the art. The storage medium is located in memory, and the processor reads information from the memory and, in conjunction with its hardware, completes the steps of the above method.

[0116] It is understood that the memory in the embodiments of this application can be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory. The non-volatile memory can be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), or flash memory. The volatile memory can be random access memory (RAM), which is used as an external cache. By way of example, but not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDR SDRAM), Enhanced Synchronous DRAM (ESDRAM), Synchlink DRAM (SLDRAM), and Direct Rambus RAM (DR RAM). It should be noted that the memory used in the systems and methods described herein is intended to include, but is not limited to, these and any other suitable types of memory.

[0117] It should be understood that the above-described memory is exemplary and not a limiting description. For example, the memory in the embodiments of this application may also be static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link dynamic random access memory (SLDRAM), and direct memory bus RAM (DR RAM), etc. That is to say, the memory in the embodiments of this application is intended to include, but is not limited to, these and any other suitable types of memory.

[0118] This application also provides a computer-readable storage medium for storing computer programs.

[0119] Optionally, the computer-readable storage medium can be applied to the processing device in the embodiments of this application, and the computer program causes the computer to execute the corresponding processes implemented by the processing device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0120] This application also provides a computer program product, including computer program instructions.

[0121] Optionally, the computer program product can be applied to the processing device in the embodiments of this application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the processing device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0122] This application also provides a computer program.

[0123] Optionally, the computer program can be applied to the processing device in the embodiments of this application. When the computer program is run on the computer, it causes the computer to execute the corresponding processes implemented by the processing device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0124] Those skilled in the art will recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0125] Those skilled in the art will understand that, for the sake of convenience and brevity, the specific working processes of the systems, devices, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.

[0126] In the several embodiments provided in this application, it should be understood that the disclosed systems, apparatuses, and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be through some interfaces; the indirect coupling or communication connection between apparatuses or units may be electrical, mechanical, or other forms.

[0127] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0128] In addition, the functional units in the various embodiments of this application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit.

[0129] If the aforementioned functions are implemented as software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or a portion of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this application. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0130] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A site selection method, characterized in that, The method includes: Collect image data of the first site area; A 3D model of the first site area is constructed based on the image data of the first site area. Mark the influence area related to the location of the base station within the three-dimensional model; The location strategy for the base station is determined based on the three-dimensional model marked with the affected area; The affected area includes the affected area of ​​an obstruction, wherein the obstruction refers to an object that obstructs the communication signal of the base station; the method further includes: Identify obstructions within the first site area; determine the position height cutoff angle of the reference station based on the obstructions; determine the influence area of ​​the obstructions based on the obstructions and the position height cutoff angle of the reference station.

2. The method according to claim 1, characterized in that, The step of determining the location strategy of the base station based on the three-dimensional model marked with the affected area includes: Determine a first plane corresponding to the first height, where the first height is the first construction height of the antenna of the reference station; Within the three-dimensional model marked with the affected area, determine the non-affected area on the first plane; The location strategy of the reference station is determined based on the area of ​​the non-affected area on the first plane.

3. The method according to claim 2, characterized in that, The affected area includes the affected area of ​​the communication antenna; the method further includes: The transmitting surface of the communication antenna, the height of the communication antenna, and a first distance are determined, wherein the first distance is the distance from the target point to the communication antenna, and the target point is the farthest point from the communication antenna within the influence area; The influence area of ​​the communication antenna is determined based on the transmitting surface of the communication antenna, the height of the communication antenna, and the first distance.

4. The method according to claim 2, characterized in that, The step of determining the location strategy of the base station based on the area of ​​the non-affected region on the first plane includes: If the ratio of the area of ​​the non-affected area on the first plane to the area of ​​the first site area is greater than or equal to a first threshold, then the base station is located within a first range; the first range is the area within the non-affected area on the first plane, and the distance from the obstruction and the communication antenna is greater than or equal to a second distance.

5. The method according to claim 4, characterized in that, The method further includes: If the ratio of the area of ​​the non-affected area on the first plane to the area of ​​the first site area is less than the first threshold, then the first construction height of the antenna of the reference station is increased to the second construction height.

6. The method according to claim 5, characterized in that, The second construction height meets the following conditions: The second construction height is greater than or equal to ,in, ； in, This is the minimum value of the second construction height; The height of the obstruction is denoted by ; F is the horizontal distance between the antenna of the base station and the obstruction.

7. The method according to claim 1, characterized in that, The affected area includes the affected area of ​​the interfering object, which refers to an object that causes at least one of the following interferences to the communication signal of the base station: multipath interference, electromagnetic interference, and vibration interference; the method further includes: The area affected by the interfering object is determined based on its location.

8. The method according to claim 7, characterized in that, The step of determining the location strategy of the base station based on the three-dimensional model marked with the affected area includes: Based on the three-dimensional model marked with the affected area, it is determined that the affected area of ​​the interfering object is not within the location range of the base station used for site selection. The interfering object is an object that causes electromagnetic interference and / or vibration interference to the communication signal of the base station.

9. The method according to claim 7, characterized in that, The step of determining the location strategy of the base station based on the three-dimensional model marked with the affected area includes: Based on the three-dimensional model marked with the affected area, determine whether the area of ​​the affected area of ​​the interfering object is less than or equal to a second threshold and whether the area of ​​the interfering object is less than or equal to a third threshold. The interfering object is an object that causes multipath interference to the communication signal of the base station. If the area of ​​the interference object's influence region is less than or equal to the second threshold and the area of ​​the interference object is less than or equal to the third threshold, then the area of ​​the interference object's influence region is determined to belong to the range used by the base station for site selection. If the area of ​​the interference object's influence region is greater than the second threshold and the area of ​​the interference object is greater than the third threshold, then it is determined that the area of ​​the interference object's influence region does not belong to the range used by the base station for site selection.

10. An addressing device, characterized in that, The device includes: The first acquisition unit is used to acquire image data of the first site area and obtain the area of ​​the first site area; The first processing unit is configured to obtain a three-dimensional model based on the image data; the three-dimensional model is a three-dimensional model of the area of ​​the first site; determine the affected area and mark the affected area within the three-dimensional model; and determine a reference station site selection strategy based on the affected area and the three-dimensional model. The affected area includes the affected area of ​​an obstruction, wherein the obstruction refers to an object that obstructs the communication signal of the base station; the first processing unit is used to determine the obstruction within the area of ​​the first site; determine the position height cutoff angle of the base station based on the obstruction; and determine the affected area of ​​the obstruction based on the obstruction and the position height cutoff angle of the base station.

11. A processing apparatus, characterized in that, include: A processor and a memory for storing a computer program, the processor for calling and running the computer program stored in the memory to perform the method as described in any one of claims 1 to 9.

12. A chip, characterized in that, include: A processor for retrieving and running a computer program from memory, causing a device on which the chip is mounted to perform the method as described in any one of claims 1 to 9.

13. A computer-readable storage medium, characterized in that, Used to store a computer program that causes a computer to perform the method as described in any one of claims 1 to 9.

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