CN110012417B - Method, device, equipment and medium for positioning leaky antenna - Google Patents
Method, device, equipment and medium for positioning leaky antenna Download PDFInfo
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- CN110012417B CN110012417B CN201711489130.6A CN201711489130A CN110012417B CN 110012417 B CN110012417 B CN 110012417B CN 201711489130 A CN201711489130 A CN 201711489130A CN 110012417 B CN110012417 B CN 110012417B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/003—Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment
Abstract
The invention discloses a method, a device, equipment and a medium for positioning an external leakage antenna. The method comprises the following steps: reading key information in a drawing of an antenna to be determined, wherein the key information comprises rectangular coordinate information of the antenna to be determined; converting the rectangular coordinate information into longitude and latitude coordinate information to obtain basic information of the antenna to be determined; determining an external leakage grid of the antenna to be determined according to the measurement report of the antenna to be determined and the basic information; calculating an leakage coefficient of the antenna to be determined according to the leakage grid and the basic information; and when the leakage coefficient is larger than a leakage threshold value, determining the antenna to be determined as a leakage antenna. The invention can quickly and accurately judge whether the external antenna leaks in the network.
Description
Technical Field
The present invention relates to the field of mobile communications technologies, and in particular, to a method, an apparatus, a device, and a medium for positioning an leaky antenna.
Background
The existing analysis method for antenna leakage mainly comprises the following steps: (1) positioning an leakage area and a leakage main service cell through drive test; the tester tests the out-of-cell road to determine whether the indoor sub-cell has the leakage or not and the approximate range of the leakage. (2) Positioning an external leakage antenna based on-site traversing and touching of subordinated antennas of a cell; after the leakage cell and the leakage area are obtained, an analyst can perform field inspection on all antennas under the cell, and judge whether the antennas leak according to the blocking conditions in the azimuth angle, the downward inclination angle and the sight distance of the antennas. The judgment of the antenna leakage based on the road test has great limitation, for example, the judgment can only be performed on the leakage on the road, the signal leaked to the untestable area cannot be judged, the data integrity is poor, and the final optimization scheme is influenced. And the parameters of the external antenna are checked on site, and the external antenna is mostly installed on the roof, so that the checking time is long.
Disclosure of Invention
The embodiment of the invention provides a method, a device, equipment and a medium for positioning an external leakage antenna, which are used for solving the problem of inaccurate positioning of the traditional external leakage antenna.
In a first aspect, an embodiment of the present invention provides an external leakage antenna positioning method, where the method includes:
reading key information in a drawing of an antenna to be determined, wherein the key information comprises rectangular coordinate information of the antenna to be determined;
converting the rectangular coordinate information into longitude and latitude coordinate information to obtain basic information of the antenna to be determined;
determining an external leakage grid of the antenna to be determined according to the measurement report of the antenna to be determined and the basic information;
calculating an leakage coefficient of the antenna to be determined according to the leakage grid and the basic information;
and when the leakage coefficient is larger than a leakage threshold value, determining the antenna to be determined as a leakage antenna.
In a second aspect, an embodiment of the present invention provides an external leakage antenna positioning apparatus, where the apparatus includes:
the reading module is used for reading key information in a drawing of the antenna to be determined, wherein the key information comprises rectangular coordinate information of the antenna to be determined;
the coordinate system conversion module is used for converting the rectangular coordinate information into longitude and latitude coordinate information and acquiring basic information of the antenna to be determined;
an leakage grid determining module, configured to determine the leakage grid of the antenna to be determined according to the measurement report of the antenna to be determined and the basic information;
the leakage coefficient determining module is used for calculating the leakage coefficient of the antenna to be determined according to the leakage grid and the basic information;
and the leakage antenna determining module is used for determining the antenna to be determined as the leakage antenna when the leakage coefficient is greater than the leakage threshold value.
An embodiment of the present invention provides an external leakage antenna positioning apparatus, including: at least one processor, at least one memory, and computer program instructions stored in the memory, which when executed by the processor, implement the method of the first aspect of the embodiments described above.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, on which computer program instructions are stored, which, when executed by a processor, implement the method of the first aspect in the foregoing embodiments.
The method, the device, the equipment and the medium for positioning the leaky-antenna, provided by the embodiment of the invention, can quickly and accurately judge whether the leaky-antenna in the network leaks.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart illustrating a method for positioning an external leakage antenna according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating reading information in a drawing according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an outlier grid cluster provided by an embodiment of the present invention;
fig. 4 is a schematic diagram illustrating positioning of an leaky antenna based on an leaky coefficient according to an embodiment of the present invention;
fig. 5 is a block diagram illustrating an leaky antenna locating apparatus provided by an embodiment of the present invention;
fig. 6 is a schematic diagram illustrating a hardware structure of an external leakage antenna positioning apparatus according to an embodiment of the present invention.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Fig. 1 shows a flowchart of a method for positioning an external leakage antenna according to an embodiment of the present invention, where as shown in fig. 1, the method includes:
and step S10, reading key information in the drawing of the antenna to be determined, wherein the key information comprises rectangular coordinate information of the antenna to be determined.
Step S20, converting the rectangular coordinate information into longitude and latitude coordinate information, and acquiring the basic information of the antenna to be determined.
Step S30, determining an external leakage grid of the antenna to be determined according to the measurement report of the antenna to be determined and the basic information.
And step S40, calculating the leakage coefficient of the antenna to be determined according to the leakage grid and the basic information.
And step S50, when the leakage coefficient is larger than the leakage threshold value, determining the antenna to be determined as the leakage antenna.
In a possible implementation manner, the key information further includes at least one of the following items: the antenna downward inclination angle, the information of the located building, the information of the located floor, the antenna identification and the drawing azimuth angle.
Specifically, the prior art mainly has the defects of low test precision, large workload of analysis and layout, low precision of an optimization scheme and the like. The judgment of the leakage based on the road test has great limitation, for example, the leakage on the road can only be checked, the signal leaked to the untestable area cannot be judged, the data integrity is poor, and the final optimization scheme is influenced. The parameters of the external antenna are checked on site, and the external antenna is mostly installed on the roof and the checking time is long. Through information reading and coordinate conversion of the CAD drawings, the working parameter information of the external antenna can be extracted in batch, such as azimuth angles, downward inclination angles, heights, building installation floors, longitude and latitude of the antenna and other important information. Manual on-site collection is not needed, and timeliness and accuracy of information can be ensured by maintaining an external antenna worker parameter information table subsequently; based on high-precision big data grid level coverage statistics, carrying out clustering simplification on the leakage grids according to the main service cell and the geographical adjacency relation to obtain leakage areas, finally obtaining the leakage coefficient of each antenna based on a spatial correlation coefficient evaluation algorithm of the leakage areas and the leakage antennas, comparing the leakage coefficient with a leakage threshold, and positioning the leakage antennas.
And reading important information such as antenna downward inclination angles, building floors where the antennas are located, floor numbers, antenna identifications, drawing azimuth angles, drawing coordinates and the like in batches from the design drawing, and further establishing a maintainable external antenna parameter information table. Fig. 2 is a schematic diagram illustrating reading of information in a drawing according to an embodiment of the present invention.
Based on the functional module for converting the drawing into the longitude and latitude (namely converting the drawing coordinate into the longitude and latitude coordinate, the following diagram is shown in principle), the actual longitude and latitude and azimuth angle of the antenna can be obtained. And (3) final output: the method comprises the following steps of building name, design covered room division cell name, antenna identification, building floor where the antenna is located, antenna height, antenna azimuth angle, antenna downward inclination angle, drawing coordinates and longitude and latitude.
Principle of direct coordinate to longitude and latitude coordinate: as shown in the formula: the method comprises the steps of obtaining a coordinate system conversion matrix A, obtaining a conversion matrix A, and obtaining the longitude and latitude of an element to be converted on a map by applying the conversion matrix to the element to be converted, wherein (xn, yn { n ═ 1, 2, 3}) is rectangular coordinate, (long, latin { n ═ 1, 2, 3}) is longitude and latitude, and A is a coordinate system conversion matrix.
And (4) outputting an external antenna calibration parameter information table after applying the conversion matrix A to the drawing coordinates and the drawing azimuth.
TABLE 1 external antenna worker parameter information
In a possible implementation manner, determining an leakage grid of the antenna to be determined according to the measurement report of the antenna to be determined and the basic information includes: determining a grid of which a main service cell is a room sub-cell and is positioned outdoors as a grid to be screened according to the measurement report of the antenna to be determined and the basic information; determining grids to be screened which simultaneously meet the following conditions as the leakage grids of the antennas to be determined: the number of sampling points in the grid inner chamber is greater than the set sampling number; the MR weak coverage proportion is larger than a set weak coverage proportion value; the distance from the grid to the design coverage area is greater than a set distance threshold; the sampling point occupation ratio of the sub-cells in the inner chamber of the grid is greater than a set sampling occupation ratio threshold; and the total sampling points in the grid are greater than a set sampling point threshold, and the total sampling points comprise indoor sampling points and outdoor sampling points.
In a possible implementation manner, calculating an leakage coefficient of an antenna to be determined according to the leakage grid and the basic information includes: performing cluster analysis on the leakage grids to determine leakage areas; and calculating an leakage coefficient of the antenna to be determined in the leakage area according to the basic information.
In a possible implementation manner, performing cluster analysis on the leakage grid to determine the leakage area includes: grouping the leakage grids according to the main service cell to obtain a leakage area group; for any leakage grid in the leakage area group, carrying out adjacency judgment on the leakage grid and other leakage grids in the same group; and determining an external leakage area according to the judgment result of the adjacency.
In a possible implementation manner, determining the leakage area according to the result of the judgment of the adjacency includes: according to the judgment result of the adjacency, dividing the leakage grids in the leakage area group into undetermined areas; and comparing the total quantity of the leakage grids in the region to be determined with a set threshold, and determining the leakage region in the region to be determined according to the comparison result.
After obtaining the large data grid level coverage statistics (5 m × 5 m accuracy), the leakage grid is obtained according to the leakage grid definition.
The leakage grid is defined as follows, and the following two points need to be satisfied simultaneously:
1) the serving cell is a room sub-cell and the grid is located outdoors, and satisfies { indoor sampling point > a preset value, such as 50} + { MR weak coverage ratio is larger than a preset value, such as 10% } + { outgoing grid is farther from the periphery of the designed coverage area than a preset threshold, such as 200 m }.
3) Satisfies the following conditions: { cell sampling point occupation ratio in grid inner chamber > preset threshold, such as 30% } + { total MR sampling point > preset threshold, such as 100}
According to the screening conditions, the list of the leakage grids can be directly output on a big data platform, and the list is shown in the following table 2:
TABLE 2
And after the leakage grids are obtained, carrying out grid clustering simplification according to the adjacent relation between the main service cell and the grids, and obtaining the longitude and latitude of the gravity center of the main service cell. Fig. 3 shows a schematic diagram of an outlier grid clustering provided in the embodiment of the present invention, where the clustering algorithm shown in the diagram is:
the leakage grids are grouped by primary serving cell, e.g. Group1, Group pB, Group3 …
For each group, randomly selecting an egress grid1, performing adjacency traversal judgment on the egress grid and other egress grids in the same group, and classifying grid1 and the egress grids in an adjacency relation with the grid1 into an egress region, such as Area1, wherein the number of grids in the region is N1; and randomly selecting an escape grid2 from the rest escape grids, and repeating the steps until all the escape grids belong to a certain escape area.
Comparing the number N of the leakage grids contained in each leakage area with a preset threshold Grid _ count _ Thr (for example, 3, adjustable), and if N is less than Grid _ count _ Thr, rejecting the leakage area, wherein the analysis value is not large.
And clustering the rest leakage areas, and calculating the equivalent central longitude and latitude of the leakage areas according to arithmetic mean of all leakage grids in the leakage areas.
The problem grid area information is output as table 3 below, where the strongest neighbor average RSRP is used for auxiliary analysis (neighbor missing, cell distribution signal too strong, macro signal weak, etc.).
TABLE 3
In a possible implementation manner, calculating an leakage coefficient of an antenna to be determined in an leakage region according to the basic information includes:
using a formula
An out-leakage coefficient is calculated, wherein,
d1 is the distance from the antenna to the leakage area, φ 1 is the horizontal angle between the antenna and the leakage area, φ 2 is the vertical angle between the antenna and the leakage area, and the blocking coefficient is the adjustment value given according to the external environment of the antenna.
Specifically, fig. 4 shows a schematic diagram of positioning an leaky antenna based on an leaky coefficient according to an embodiment of the present invention, as shown in fig. 4, an leaky coefficient of each antenna in a corresponding cell is calculated according to an obtained leaky region, and if the leaky coefficient is greater than an antenna with a preset threshold (for example, 0.7), the antenna is determined to be leaky.
Wherein:
distance d1 from antenna to leakage area
And if the horizontal included angle phi 1 between the antenna and the leakage area is greater than angt degree, the included angle is measured as angt degree, and the initial value of angt is 60 degrees and is adjustable.
The vertical included angle phi 2 between the antenna and the leakage area is calculated in the same way
The blocking coefficient is adjusted according to the external environment of the antenna. If no blocking coefficient is provided, 0 is defaulted. The blocking coefficient is an empirical value, for example, when the external environment where the antenna is located is shielded by a building, the blocking coefficient is given according to the empirical value.
The following is a sub-scene preset leakage coefficient threshold table 4.
TABLE 4
The final output antenna leakage coefficient table is shown in table 5 below.
TABLE 5
The method provided by the invention is based on the original CAD drawing information extraction, rectangular coordinate conversion into longitude and latitude, the large data grid-level (5 m × 5 m precision) coverage-based leakage grid screening and clustering, and the antenna leakage coefficient evaluation algorithm, so that the judgment of whether the external antenna leaks or not is quickly and accurately realized. The process of leakage judgment is redefined, the traditional method which depends on the field investigation process is improved into a software one-click output method, and the subsequent evolution can be continued. The data source that this application adopted is current data, and easily realizes automated processing on the data processing, and the transplantation of being convenient for, and from the examination application effect, the rate of accuracy is greater than 70%.
Fig. 5 is a block diagram illustrating an external leakage antenna positioning apparatus according to an embodiment of the present invention, where, as shown in fig. 5, the apparatus includes:
the reading module 61 is configured to read key information in a drawing of the antenna to be determined, where the key information includes rectangular coordinate information of the antenna to be determined;
a coordinate system conversion module 62, configured to convert the rectangular coordinate information into longitude and latitude coordinate information, and obtain basic information of the antenna to be determined;
an leakage grid determining module 63, configured to determine an leakage grid of the antenna to be determined according to the measurement report of the antenna to be determined and the basic information;
an leakage coefficient determining module 64, configured to calculate an leakage coefficient of the antenna to be determined according to the leakage grid and the basic information;
an leaking antenna determining module 65, configured to determine the antenna to be determined as an leaking antenna when the leaking coefficient is greater than an leaking threshold.
In one possible implementation form of the method,
further comprising at least one of: : the antenna downward inclination angle, the information of the located building, the information of the located floor, the antenna identification and the drawing azimuth angle.
In one possible implementation, the leakage grid determining module 63 includes:
the first grid determining submodule is used for determining the grid which is positioned outdoors and takes the main service cell as the indoor sub-cell as the grid to be screened;
the condition judgment submodule is used for determining the grid to be screened which simultaneously meets the following conditions as the leakage grid of the antenna to be determined:
the number of sampling points in the grid inner chamber is greater than the set sampling number;
the MR weak coverage proportion is larger than a set weak coverage proportion value;
the distance from the grid to the design coverage area is greater than a set distance threshold;
the sampling point occupation ratio of the sub-cells in the inner chamber of the grid is greater than a set sampling occupation ratio threshold;
and the total sampling points in the grid are greater than a set sampling point threshold, and the total sampling points comprise indoor sampling points and outdoor sampling points.
In a possible implementation manner, the leakage coefficient determining module 64 includes:
the leakage area determining submodule is used for carrying out cluster analysis on the leakage grids and determining the leakage area;
and the leakage coefficient determining submodule is used for calculating the leakage coefficient of the antenna to be determined in the leakage area according to the basic information.
In one possible implementation, the leakage area determination submodule includes:
the grouping submodule is used for grouping the leakage grids according to the main service cell to obtain a leakage area group;
the adjacency judgment sub-module is used for judging the adjacency of any leakage grid in the leakage area group and other leakage grids in the same group;
and the leakage area determining submodule is used for determining the leakage area according to the judgment result of the adjacency.
In one possible implementation manner, the leakage area determination submodule includes:
the undetermined area unit is used for dividing the leakage grids in the leakage area group into undetermined areas according to the judgment result of the adjacency;
and the leakage area determining unit is used for comparing the total number of the leakage grids in the region to be determined with a set threshold value and determining the leakage area in the region to be determined according to the comparison result.
In one possible implementation manner, the leakage coefficient determining sub-module includes:
a calculation unit for employing a formula
An out-leakage coefficient is calculated, wherein,
d1 is the distance from the antenna to the leakage area, φ 1 is the horizontal angle between the antenna and the leakage area, φ 2 is the vertical angle between the antenna and the leakage area, and the blocking coefficient is the adjustment value given according to the external environment of the antenna.
In addition, the leaky antenna positioning method according to the embodiment of the invention described in conjunction with fig. 1 may be implemented by a leaky antenna positioning device. Fig. 6 is a schematic diagram illustrating a hardware structure of an external leakage antenna positioning apparatus according to an embodiment of the present invention.
The leaky antenna locating device may comprise a processor 401 and a memory 402 storing computer program instructions.
Specifically, the processor 401 may include a Central Processing Unit (CPU), or an Application Specific Integrated Circuit (ASIC), or may be configured as one or more Integrated circuits implementing embodiments of the present invention.
The processor 401 reads and executes computer program instructions stored in the memory 402 to implement any of the leaky antenna positioning methods in the above embodiments.
In one example, the leaky antenna locating device may also include a communication interface 403 and a bus 410. As shown in fig. 4, the processor 401, the memory 402, and the communication interface 403 are connected via a bus 410 to complete communication therebetween.
The communication interface 403 is mainly used for implementing communication between modules, apparatuses, units and/or devices in the embodiments of the present invention.
In addition, in combination with the method for positioning an external leakage antenna in the foregoing embodiments, embodiments of the present invention may provide a computer-readable storage medium to implement the method. The computer readable storage medium having stored thereon computer program instructions; the computer program instructions, when executed by a processor, implement any of the leaky antenna positioning methods in the above embodiments.
It is to be understood that the invention is not limited to the specific arrangements and instrumentality described above and shown in the drawings. A detailed description of known methods is omitted herein for the sake of brevity. In the above embodiments, several specific steps are described and shown as examples. However, the method processes of the present invention are not limited to the specific steps described and illustrated, and those skilled in the art can make various changes, modifications and additions or change the order between the steps after comprehending the spirit of the present invention.
The functional blocks shown in the above-described structural block diagrams may be implemented as hardware, software, firmware, or a combination thereof. When implemented in hardware, it may be, for example, an electronic circuit, an Application Specific Integrated Circuit (ASIC), suitable firmware, plug-in, function card, or the like. When implemented in software, the elements of the invention are the programs or code segments used to perform the required tasks. The program or code segments may be stored in a machine-readable medium or transmitted by a data signal carried in a carrier wave over a transmission medium or a communication link. A "machine-readable medium" may include any medium that can store or transfer information. Examples of a machine-readable medium include electronic circuits, semiconductor memory devices, ROM, flash memory, Erasable ROM (EROM), floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, Radio Frequency (RF) links, and so forth. The code segments may be downloaded via computer networks such as the internet, intranet, etc.
It should also be noted that the exemplary embodiments mentioned in this patent describe some methods or systems based on a series of steps or devices. However, the present invention is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, may be performed in an order different from the order in the embodiments, or may be performed simultaneously.
As described above, only the specific embodiments of the present invention are provided, and it can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system, the module and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again. It should be understood that the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the scope of the present invention.
Claims (7)
1. A method for locating an leaky antenna, the method comprising:
reading key information in a drawing of an antenna to be determined, wherein the key information comprises rectangular coordinate information of the antenna to be determined;
converting the rectangular coordinate information into longitude and latitude coordinate information to obtain basic information of the antenna to be determined;
determining an external leakage grid of the antenna to be determined according to the measurement report of the antenna to be determined and the basic information;
calculating an leakage coefficient of the antenna to be determined according to the leakage grid and the basic information;
when the leakage coefficient is larger than a leakage threshold value, determining the antenna to be determined as a leakage antenna;
the determining the leakage grid of the antenna to be determined according to the measurement report of the antenna to be determined and the basic information includes:
determining a grid of which a main service cell is a room sub-cell and is positioned outdoors as a grid to be screened according to the measurement report of the antenna to be determined and the basic information; determining grids to be screened which simultaneously meet the following conditions as the leakage grids of the antennas to be determined:
the number of sampling points in the grid inner chamber is greater than the set sampling number;
the MR weak coverage proportion is larger than a set weak coverage proportion value;
the distance from the grid to the design coverage area is greater than a set distance threshold;
the sampling point occupation ratio of the sub-cells in the inner chamber of the grid is greater than a set sampling occupation ratio threshold;
the total sampling points in the grid are greater than a set sampling point threshold, and the total sampling points comprise indoor sampling points and outdoor sampling points;
the calculating an leakage coefficient of the antenna to be determined according to the leakage grid and the basic information includes:
performing cluster analysis on the leakage grids to determine leakage areas;
calculating an leakage coefficient of an antenna to be determined in the leakage area according to the basic information;
the calculating an leakage coefficient of the antenna to be determined in the leakage area according to the basic information includes:
using a formula
An out-leakage coefficient is calculated, wherein,
d1 is the distance from the antenna to the leakage area, phi 1 is the horizontal included angle between the antenna and the leakage area, phi 2 is the vertical included angle between the antenna and the leakage area, and the blocking coefficient is an adjustment value given according to the external environment where the antenna is located;
the basic information includes at least one of: the method comprises the following steps of obtaining the name of a building where an antenna is located, the name of a cell covered by a designed antenna, an antenna identifier, the floor of the building where the antenna is located, the height of the antenna, the azimuth angle of the antenna, the downward inclination angle of the antenna, the drawing coordinates of the antenna and the longitude and latitude of the antenna.
2. The method of claim 1, wherein the key information further comprises at least one of:
the antenna downward inclination angle, the information of the located building, the information of the located floor, the antenna identification and the drawing azimuth angle.
3. The method of claim 1, wherein clustering the leakage grid to determine leakage regions comprises:
grouping the leakage grids according to the main service cell to obtain a leakage area group;
for any leakage grid in the leakage area group, carrying out adjacency judgment on the leakage grid and other leakage grids in the same group;
and determining an external leakage area according to the judgment result of the adjacency.
4. The method of claim 3, wherein determining the leakage area based on the determination of the adjacency includes:
according to the judgment result of the adjacency, dividing the leakage grids in the leakage area group into undetermined areas;
and comparing the total quantity of the leakage grids in the region to be determined with a set threshold, and determining the leakage region in the region to be determined according to the comparison result.
5. An leaky antenna locating device, said device comprising:
the reading module is used for reading key information in a drawing of the antenna to be determined, wherein the key information comprises rectangular coordinate information of the antenna to be determined;
the coordinate system conversion module is used for converting the rectangular coordinate information into longitude and latitude coordinate information and acquiring basic information of the antenna to be determined;
an leakage grid determining module, configured to determine the leakage grid of the antenna to be determined according to the measurement report of the antenna to be determined and the basic information;
the leakage coefficient determining module is used for calculating the leakage coefficient of the antenna to be determined according to the leakage grid and the basic information;
an external leakage antenna determining module, configured to determine the antenna to be determined as an external leakage antenna when the external leakage coefficient is greater than an external leakage threshold;
the leakage grid determining module is specifically configured to determine, according to the measurement report of the antenna to be determined and the basic information, a grid in which a main serving cell is an indoor sub-cell and is located outdoors as a grid to be screened; determining grids to be screened which simultaneously meet the following conditions as the leakage grids of the antennas to be determined:
the number of sampling points in the grid inner chamber is greater than the set sampling number;
the MR weak coverage proportion is larger than a set weak coverage proportion value;
the distance from the grid to the design coverage area is greater than a set distance threshold;
the sampling point occupation ratio of the sub-cells in the inner chamber of the grid is greater than a set sampling occupation ratio threshold;
the total sampling points in the grid are greater than a set sampling point threshold, and the total sampling points comprise indoor sampling points and outdoor sampling points;
the leakage coefficient determining module is specifically configured to perform cluster analysis on the leakage grids, determine a leakage region, and calculate the leakage coefficient of the antenna to be determined in the leakage region according to the basic information;
using a formula
An out-leakage coefficient is calculated, wherein,
d1 is the distance from the antenna to the leakage area, phi 1 is the horizontal included angle between the antenna and the leakage area, phi 2 is the vertical included angle between the antenna and the leakage area, and the blocking coefficient is an adjustment value given according to the external environment where the antenna is located;
the basic information includes at least one of: the method comprises the following steps of obtaining the name of a building where an antenna is located, the name of a cell covered by a designed antenna, an antenna identifier, the floor of the building where the antenna is located, the height of the antenna, the azimuth angle of the antenna, the downward inclination angle of the antenna, the drawing coordinates of the antenna and the longitude and latitude of the antenna.
6. An leaky antenna locating apparatus, comprising: at least one processor, at least one memory, and computer program instructions stored in the memory that, when executed by the processor, implement the method of any of claims 1-4.
7. A computer-readable storage medium having computer program instructions stored thereon, which when executed by a processor implement the method of any one of claims 1-4.
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