CN118803825A - Base station same coverage sector division method, device, electronic equipment and storage medium - Google Patents
Base station same coverage sector division method, device, electronic equipment and storage medium Download PDFInfo
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
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Abstract
The invention provides a base station same coverage sector dividing method, a device, electronic equipment and a storage medium, belonging to the technical field of wireless communication, wherein the method comprises the following steps: selecting any cell from cells in the coverage area of the macro station as an origin cell; determining antenna azimuth angles of a plurality of cells to be divided; determining initial same coverage sectors of each cell to be divided based on the antenna azimuth angles of the cells to be divided; and performing optimal sector division based on each initial same coverage sector to obtain target same coverage sectors of each cell to be divided. The method for dividing the same coverage sector of the base station provided by the invention determines a plurality of cells to be divided in a preset area, combines the antenna azimuth angles of the cells to be divided, determines the initial same coverage sector of each cell to be divided, further carries out optimal sector division based on each initial same coverage sector to obtain the target same coverage sector of each cell to be divided, realizes reasonable distribution of the base station and the coverage sector, and effectively improves the accuracy of dividing the base station and the coverage sector.
Description
Technical Field
The present invention relates to the field of wireless communications technologies, and in particular, to a method and apparatus for dividing a base station co-coverage sector, an electronic device, and a storage medium.
Background
The base station and the coverage sector mean that a plurality of base stations or antennas are used for providing signal coverage in the same coverage area, and the purposes of the base station and the coverage sector are mainly to reduce interference, optimize resource utilization and support mobility management; the cell division of the base station and the coverage sector is to divide the coverage area into a plurality of cells, manage and optimize network resources, and improve user experience and mobility management.
Regarding the division of the cells of the base station and the coverage sector, the prior art scheme is based on a quasi-static division algorithm, calculates the difference of the azimuth angles of the cells to obtain the difference of each azimuth angle, and determines the cells with the azimuth angle difference lower than the preset angle difference as the cells of the base station and the coverage sector, but the cells of the base station and the coverage sector are directly divided only according to the azimuth angle difference, so that the rationality is insufficient and the accuracy is low.
Disclosure of Invention
The invention provides a method, a device, electronic equipment and a storage medium for dividing base station same coverage sectors, which are used for solving the problem of low accuracy of dividing base station same coverage sectors in the prior art.
In a first aspect, the present invention provides a method for dividing a base station into sectors covered with the same coverage, including:
selecting any cell from cells in the coverage area of the macro station as an origin cell;
Determining antenna azimuth angles of a plurality of cells to be divided; the cells to be divided comprise the original point cell and a co-location cell; the co-located cell refers to a cell within a preset distance range of the original point cell;
determining initial same coverage sectors of each cell to be divided based on the antenna azimuth angles of the cells to be divided;
and performing optimal sector division based on each initial same coverage sector to obtain target same coverage sectors of each cell to be divided.
In one embodiment, when determining an initial co-coverage sector of each cell to be divided based on an antenna azimuth of each cell to be divided, the following steps are performed for each cell to be divided:
Respectively carrying out difference calculation on the antenna azimuth angles of the current cells to be divided and the antenna azimuth angles of the remaining cells to be divided to obtain azimuth angle difference values; the remaining cells to be divided refer to the remaining cells to be divided except the current cell to be divided in all the cells to be divided;
If any azimuth difference value meets a first preset difference value range, a first sector is constructed, and the remaining cells to be divided and the current cells to be divided corresponding to the first preset difference value range are distributed to the first sector, so that the initial same coverage sector of the current cells to be divided is obtained.
In one embodiment, the performing optimal sector division based on each initial co-coverage sector to obtain a target co-coverage sector of each cell to be divided includes:
Determining the number of cells and the sector included angle in each initial same coverage sector;
Determining the initial same coverage sector with the largest number of cells and the smallest sector included angle as the optimal sector;
And if all the cells to be divided exist in the optimal sector, determining the optimal sector as the target same coverage sector of each cell to be divided.
In one embodiment, after determining the initial co-coverage sector with the largest number of cells and the smallest sector included angle as the optimal sector, the method further includes:
if all the cells to be divided do not exist in the optimal sector, determining the optimal sector as a target same coverage sector of each first cell; the first cell refers to a cell to be divided existing in the optimal sector;
determining a target co-coverage sector of at least one second cell; the second cell refers to a cell to be divided that does not exist in the optimal sector.
In one embodiment, the determining the target and coverage sectors of the at least one second cell includes:
If the number of the second cells is 1, constructing a second sector, and distributing the second cells to the second sector to obtain a target same coverage sector of the second cell;
If the number of the second cells is greater than 1, updating each second cell into cells to be divided, and iteratively executing the step of determining the initial same coverage sector of each cell to be divided based on the antenna azimuth angle of each cell to be divided until all cells to be divided exist in the optimal sector.
In one embodiment, after performing optimal sector division based on each initial co-coverage sector to obtain a target co-coverage sector of each cell to be divided, the method further includes:
If the azimuth angle difference value between the antenna azimuth angle of any cell to be divided and the antenna azimuth angles of all the remaining cells to be divided does not meet the first preset difference value range, determining the cell to be divided, which corresponds to the first preset difference value range, as a single cell;
if the azimuth angle difference between the antenna azimuth angles of the single cell and the antenna azimuth angles of all the remaining cells to be divided meets a second preset difference range, determining the remaining cells to be divided corresponding to the second preset difference range as cells to be combined;
determining the minimum azimuth difference between the antenna azimuth of the single cell and the antenna azimuth of each cell to be combined;
and distributing the single-drop cell to the target and coverage sector of the cell to be combined corresponding to the minimum azimuth difference value.
In one embodiment, the co-sited cell is determined according to the steps of:
acquiring longitude and latitude of the origin cell;
and inquiring the cells within the preset distance range of the original cell based on the longitude and latitude and the nearest neighbor algorithm of the regional tree to obtain a plurality of co-located cells.
In a second aspect, the present invention also provides a device for dividing a base station and a coverage sector, including:
the selection module is used for selecting any cell from cells in the coverage area of the macro station as an origin cell;
The determining module is used for determining antenna azimuth angles of a plurality of cells to be divided; the cells to be divided comprise the original point cell and a co-location cell; the co-located cell refers to a cell within a preset distance range of the original point cell;
The initial same coverage sector dividing module is used for determining the initial same coverage sector of each cell to be divided based on the antenna azimuth angle of each cell to be divided;
and the target same-coverage sector dividing module is used for carrying out optimal sector division based on each initial same-coverage sector to obtain target same-coverage sectors of each cell to be divided.
In a third aspect, the present invention provides an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of any one of the base station and coverage sector partitioning methods described above when the program is executed.
In a fourth aspect, the present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of a base station and coverage sector partitioning method as described in any one of the above.
The method, the device, the electronic equipment and the storage medium for dividing the same coverage sector of the base station provided by the invention have the advantages that the co-location cells are determined through the original point cell firstly, so that a plurality of cells to be divided in a preset area are obtained, the antenna azimuth angles of the cells to be divided are combined, the initial same coverage sector of each cell to be divided is determined, the optimal sector division is further carried out based on each initial same coverage sector, the target same coverage sector of each cell to be divided is obtained, the reasonable distribution of the base station and the coverage sector is realized, the accuracy of the base station and the coverage sector division is effectively improved, so that network managers reasonably distribute and utilize wireless resources, and the network performance is improved.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of a base station and coverage sector dividing method provided in the present invention;
fig. 2 is a second flow chart of a method for dividing a base station into coverage sectors according to the present invention;
Fig. 3 is a schematic structural diagram of a base station and coverage sector dividing apparatus provided in the present invention;
fig. 4 is a schematic structural diagram of an electronic device provided by the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terms "first," "second," and the like in this specification are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the invention may be practiced otherwise than as specifically illustrated or described herein.
The method, apparatus, electronic device and storage medium for dividing the same coverage sector of the base station provided by the invention are described below with reference to fig. 1-4.
Fig. 1 is a schematic flow chart of a base station and coverage sector dividing method provided by the present invention, and fig. 2 is a second schematic flow chart of a base station and coverage sector dividing method provided by the present invention.
As shown in fig. 1, the method for dividing the base station and the coverage sector provided by the invention comprises the following steps:
step 100: selecting any cell from cells in the coverage area of the macro station as an origin cell;
Step 200: determining antenna azimuth angles of a plurality of cells to be divided;
Step 300: determining initial same coverage sectors of each cell to be divided based on the antenna azimuth angles of the cells to be divided;
Step 400: and performing optimal sector division based on each initial same coverage sector to obtain target same coverage sectors of each cell to be divided.
It should be noted that, the method for dividing the base station and the coverage sector provided by the embodiment of the invention is realized based on the device for dividing the base station and the coverage sector, and the method for dividing the base station and the coverage sector determines the initial same coverage sector of each cell to be divided by determining the cells to be divided in a preset area and combining the azimuth angles of each cell to be divided, and further determines at least one optimal sector based on the number of cells and the included angles of the sectors in each initial same coverage sector so as to ensure that each cell to be divided is accurately distributed to the corresponding optimal sector, thereby effectively improving the rationality and the accuracy of the division of the base station and the coverage sector. Therefore, the embodiment of the invention describes the base station and coverage sector dividing method taking the base station and coverage sector dividing device as an execution subject.
Specifically, the base station and coverage sector dividing device selects any cell from cells in the coverage area of the macro station as an origin cell.
It should be noted that, a macro station is a base station type in a wireless communication network, and has a larger coverage area, where the coverage area of the macro station is generally divided into a plurality of cells, and each cell is composed of one or more sectors, so as to better manage and allocate communication resources, and provide a more stable and efficient wireless communication service. A sector is a geographical area covered by a single antenna under a base station, and is a division of a wireless signal coverage area of the base station, where each sector uses one or more carrier frequencies with specific frequency points to complete coverage, that is, the frequency of a usable carrier wave of the base station completes coverage.
Further, the base station and coverage sector dividing device acquires the longitude and latitude of the original point cell, and further, the base station and coverage sector dividing device queries the cell within a preset distance range of the original point cell based on the longitude and latitude of the original point cell and a nearest neighbor algorithm of an area tree to obtain a plurality of co-located cells, wherein the preset distance range is set according to actual conditions.
Further, the base station and coverage sector dividing device respectively determines an origin cell and a co-location cell as cells to be divided, and further, the base station and coverage sector dividing device acquires antenna azimuth angles of the cells to be divided, wherein the antenna azimuth angles refer to directions of the antennas pointing to the cells to be divided, namely horizontal included angles between clockwise directions from north direction lines to antenna main lobe direction lines, and the value range is 0-360 degrees.
Further, the base station and coverage sector dividing device calculates differences based on antenna azimuth angles of the cells to be divided to obtain azimuth angle differences, and further, the base station and coverage sector dividing device determines initial same coverage sectors of the cells to be divided based on the azimuth angle differences.
Further, the base station and coverage sector dividing device determines the number of cells and the sector included angle in each initial same coverage sector, and further, the base station and coverage sector dividing device performs optimal sector division based on the number of cells and the sector included angle in each initial same coverage sector to obtain target same coverage sectors of each cell to be divided.
The method for dividing the same coverage sector of the base station provided by the invention comprises the steps of determining the co-located cells through the original point cell to obtain a plurality of cells to be divided in a preset area, determining the initial same coverage sector of each cell to be divided by combining the antenna azimuth angles of each cell to be divided, and further carrying out optimal sector division based on each initial same coverage sector to obtain the target same coverage sector of each cell to be divided, thereby realizing reasonable distribution of the base station and the coverage sector, effectively improving the accuracy of the base station and the coverage sector division, enabling network management personnel to reasonably distribute and utilize wireless resources and improving network performance.
Further, the co-sited cell is determined according to the steps of:
acquiring longitude and latitude of the origin cell;
and inquiring the cells within the preset distance range of the original cell based on the longitude and latitude and the nearest neighbor algorithm of the regional tree to obtain a plurality of co-located cells.
Specifically, referring to fig. 2, the following description is a procedure of determining co-sited cells in fig. 2, and thus can be understood as: the base station and coverage sector dividing device obtains longitude and latitude of an original cell, and further, the base station and coverage sector dividing device queries cells within a preset distance range of the original cell based on the longitude and latitude and a nearest neighbor algorithm of an area tree to obtain a plurality of co-located cells, wherein the preset distance range is set according to actual conditions.
It should be noted that, the region tree (R tree) is a tree data structure for efficiently managing multidimensional space data, and the R tree is widely used for space index and range query, and is suitable for many scenarios, such as a geographic information system, a database management system, a file system, and the like. The basic idea of an R-tree is to divide multidimensional spatial data into a series of smaller rectangular regions, each containing a set of data objects (e.g., points, line segments, or rectangles), which overlap one another to form a tree structure in which leaf nodes contain data objects, rather than the leaf nodes storing the bounding rectangles of their child nodes (i.e., the smallest rectangles that enclose all data objects of the child nodes). The nearest neighbor algorithm of the R tree refers to finding elements by the R tree that conform to the distance metric to the distance between a given query term within a determined distance metric and a search space. Query is performed based on the nearest neighbor algorithm of the R tree, so that all traversal can be avoided, and the performance is improved; and secondly, the multi-thread parallel processing search can be realized, so that the time is saved.
In an embodiment, the cells within the preset distance range of the origin cell may be cells within a circle range with the origin cell as the origin and 50 meters as the radius. Therefore, based on the longitude and latitude and the nearest neighbor algorithm of the regional tree, the step of querying the cell within 50 meters of the origin cell may be: and S1, taking the longitude and latitude of the original point cell as point data, organizing the point data by using an R tree data structure, and enabling each point data to correspond to a geometric object representing the position and the identification of the point data, namely, a point object. S2, constructing an R tree: all point objects are added to the R tree so that adjacent point data can be queried. Step S3, query is executed: and searching point data in a specific range by using a query function of the R tree, wherein the range of the incoming query is a circle with a circle center as a target point and a radius of 50 meters. Step S4, acquiring a query result: from the query results, the identity of all point objects, i.e. point objects, located within a range of 50 meters is determined. And S5, outputting a query result.
The embodiment of the invention queries the cells within the preset distance range of the original cell based on the longitude and latitude of the original cell and the nearest neighbor algorithm of the area tree to obtain a plurality of co-located cells, effectively improves the query efficiency, supports space analysis, and is beneficial to accurately dividing the co-located cells adjacent to the original cell so as to determine the cells to be divided which need to be divided into the same coverage sectors of the base station.
Further, when determining the initial co-coverage sector of each cell to be divided based on the antenna azimuth of each cell to be divided based on step 300, the following steps are performed for each cell to be divided:
Respectively carrying out difference calculation on the antenna azimuth angles of the current cells to be divided and the antenna azimuth angles of the remaining cells to be divided to obtain azimuth angle difference values; the remaining cells to be divided refer to the remaining cells to be divided except the current cell to be divided in all the cells to be divided;
If any azimuth difference value meets a first preset difference value range, a first sector is constructed, and the remaining cells to be divided and the current cells to be divided corresponding to the first preset difference value range are distributed to the first sector, so that the initial same coverage sector of the current cells to be divided is obtained.
Specifically, referring to fig. 2, the following description is a procedure of calculating an initial co-coverage sector in polling a cell to be divided for each cell to be divided, and thus can be understood as: the base station and coverage sector dividing device calculates the difference between the antenna azimuth angles of the current cell to be divided and the antenna azimuth angles of the remaining cells to be divided respectively to obtain azimuth angle difference values, wherein the remaining cells to be divided refer to the remaining cells to be divided except the current cell to be divided in all the cells to be divided.
Further, if any azimuth difference value meets a first preset difference value range, a first sector is constructed, the remaining cells to be divided and the current cells to be divided corresponding to the first preset difference value range are distributed to the first sector, and the initial same coverage sector of the current cells to be divided is obtained, wherein the first preset difference value range is set according to actual conditions, and the smaller the first preset difference value range is, the higher the discrimination precision of the base station and the coverage sector is.
In an embodiment, the first preset difference range is-15 ° to 15 °, and there are 5 cells to be divided into cell 1, cell 2, cell 3, cell 4 and cell 5, the azimuth angle of cell 1 is 0 °, the azimuth angle of cell 2 is 10 °, the azimuth angle of cell 3 is 20 °, the azimuth angle of cell 4 is 25 °, and the azimuth angle of cell 5 is 30 °. Thus, in connection with table 1, table 1 is an initial co-coverage sector table of cells to be divided, and then the procedure of polling cells to be divided to calculate initial co-coverage sectors may be:
The azimuth differences between cell 1 and cell 2, cell 3, cell 4 and cell 5 are-10 °, -20 °, -25 °, -30 °, respectively, and since-10 ° meets the first preset difference range, the initial co-coverage sector 1 of cell 1 comprises cell 1 and cell 2. Thus, the initial number of cells 1 and the coverage area of cell 1 is 2 and the sector angle is 10 °.
The azimuth differences between cell 2 and cell 1, cell 3, cell 4 and cell 5 are respectively 10 °, -15 °, -20 °, since 10 °, -15 ° satisfy the first preset difference range, the initial co-coverage sector 2 of cell 2 comprises cell 1, cell 2, cell 3 and cell 4. Thus, the initial number of cells with coverage of cell 2 is 4 and the sector included angle is 25 °.
The azimuth differences between cell 3 and cell 1, cell 2, cell 4 and cell 5 are 20 °,10 °, -5 °, -10 °, respectively, since 10 °, -5 °, -10 ° satisfy the first preset difference range, the initial co-coverage sector 3 of cell 3 comprises cell 2, cell 3, cell 4 and cell 5. Thus, the initial number of cells 3 together with the coverage sector 3 is 4 and the sector included angle is 20 °.
The azimuth differences between cell 4 and cell 1, cell 2, cell 3 and cell 5 are 25 °, 15 °,5 °, -5 °, respectively, and since 15 °,5 °, -5 ° satisfy the first preset difference range, cell 3's initial co-coverage sector 3 includes cell 2, cell 3, cell 4 and cell 5. Thus, the initial number of cells 4 together with the coverage sector 4 is 4 and the sector angle is 20 °.
The azimuth angle differences between the cell 5 and the cell 1, the cell 2, the cell 3 and the cell 4 are 30 °, 20 °,10 °,5 °, respectively, and since 10 °,5 ° satisfy the first preset difference range, the initial same coverage sector 3 of the cell 3 includes the cell 3, the cell 4 and the cell 5. Thus, the initial number of cells 5 together with the coverage sector 5 is 3 and the sector angle is 10 °.
Table 1 initial same coverage sector table of cells to be divided
According to the embodiment of the invention, the azimuth angle difference between the current cell to be divided and each remaining cell to be divided is calculated respectively, the first sector is further constructed under the condition that any azimuth angle difference meets the first preset difference range, the remaining cells to be divided corresponding to the first preset difference range and the current cell to be divided are distributed to the first sector, the initial same coverage sector of the current cell to be divided is obtained, and then the initial same coverage sector of each cell to be divided is obtained, so that optimal sector division can be carried out based on the initial same coverage sector, the target same coverage sector of each cell to be divided is obtained, the same coverage sector division of the base station is realized, the precision of the same coverage sector division of the base station is effectively improved, and network management personnel reasonably allocate and utilize wireless resources, and network performance is improved.
Further, based on the performing optimal sector division based on the initial co-coverage sectors in step 400, obtaining target co-coverage sectors of each cell to be divided, including:
Determining the number of cells and the sector included angle in each initial same coverage sector;
Determining the initial same coverage sector with the largest number of cells and the smallest sector included angle as the optimal sector;
And if all the cells to be divided exist in the optimal sector, determining the optimal sector as the target same coverage sector of each cell to be divided.
It should be noted that, the initial co-coverage sector of each cell to be divided is only one temporarily constructed sector, at least one optimal sector needs to be further determined, and each cell to be divided is allocated to a corresponding optimal sector, so as to realize the division of the base station and the coverage sector, so as to optimize the allocation and utilization of radio resources.
Specifically, referring to fig. 2, the following description is a process of determining an optimal sector, and thus can be understood as: the base station and coverage sector dividing device determines the number of cells and the sector included angle in each initial and coverage sector.
Further, the base station and coverage sector dividing device compares the number of cells in each initial and coverage sector to obtain a number comparison result, and compares the number of sector included angles in each initial and coverage sector to obtain an included angle comparison result.
Further, the base station and coverage sector dividing device determines the initial same coverage sector with the largest cell number and the smallest sector included angle as the optimal sector according to the number comparison result and the included angle comparison result.
It should be noted that if there are as many cells as there are cells and sector angles in the initial same coverage sector of the two cells to be divided, and the conditions of the optimal sectors are satisfied, comparing the antenna azimuth angles of the two cells to be divided, and determining the initial same coverage sector of the cell to be divided with the minimum antenna azimuth angle as the optimal sector.
Further, if all the cells to be divided exist in the optimal sector, determining the optimal sector as the target same coverage sector of each cell to be divided, namely distributing each cell to be divided into the optimal sector, wherein the target same coverage sector of each cell to be divided is the optimal sector.
The embodiment of the invention determines the optimal sector based on the initial same coverage sector with the largest number of cells and the smallest sector included angle, and determines the optimal sector as the target same coverage sector of each cell to be divided under the condition that all cells to be divided exist in the optimal sector, thereby realizing the division of the base station and the coverage sector, effectively improving the accuracy of the division of the base station and the coverage sector, ensuring that network management staff reasonably distributes and utilizes wireless resources and improving the network performance.
Further, after determining the initial co-coverage sector with the largest number of cells and the smallest sector angle as the optimal sector, the method further includes:
if all the cells to be divided do not exist in the optimal sector, determining the optimal sector as a target same coverage sector of each first cell; the first cell refers to a cell to be divided existing in the optimal sector;
determining a target co-coverage sector of at least one second cell; the second cell refers to a cell to be divided that does not exist in the optimal sector.
Specifically, referring to fig. 2, the following description is a procedure of performing optimal sector division after determining that there are some cells to be divided that are not allocated to an optimal sector, and thus can be understood as: the base station and coverage sector dividing device judges whether all cells to be divided exist in the optimal sector.
Further, if all the cells to be divided do not exist in the optimal sector, the base station and coverage sector dividing device determines the optimal sector as the target and coverage sector of each first cell, wherein the first cell refers to the cell to be divided existing in the optimal sector.
Further, the base station and coverage sector dividing means determines a target and coverage sector of at least one second cell, wherein the second cell refers to a cell to be divided that does not exist in the optimal sector.
After determining that all the cells to be divided are not distributed, the embodiment of the invention continues to carry out optimal sector division on the unallocated second cell to obtain the target same coverage sector of the second cell, ensures that each cell to be divided is accurately distributed to the corresponding optimal sector, realizes reasonable distribution of the base station and the coverage sector, effectively improves the accuracy of the division of the base station and the coverage sector, ensures that network management staff reasonably distributes and utilizes wireless resources, and improves network performance.
Further, the determining the target co-coverage sector of the at least one second cell includes:
If the number of the second cells is 1, constructing a second sector, and distributing the second cells to the second sector to obtain a target same coverage sector of the second cell;
If the number of the second cells is greater than 1, updating each second cell into cells to be divided, and iteratively executing the step of determining the initial same coverage sector of each cell to be divided based on the antenna azimuth angle of each cell to be divided until all cells to be divided exist in the optimal sector.
Specifically, if the number of the second cells is 1, the base station and coverage sector dividing device constructs the second sectors, and distributes the second cells to the second sectors to obtain target and coverage sectors of the second cells.
Further, if the number of the second cells is greater than 1, the base station and coverage sector dividing device updates each second cell into cells to be divided, and iteratively executes the steps of determining the initial same coverage sector of each cell to be divided based on the antenna azimuth angles of each cell to be divided until all cells to be divided exist in the optimal sector.
It should be noted that if the second cell exists, it is indicated that all the cells to be divided are not completely allocated, and it is necessary to continuously find the optimal sector based on the azimuth angle of the second cell, and only one optimal sector is selected when the optimal sector is divided each time, so that the goal of the final implementation is to allocate all the cells to the corresponding optimal sector, and there may be one or more optimal sectors, and the smaller the number of the finally determined optimal sectors, the larger the number of cells included in the optimal sector is indicated, thereby avoiding the situations of resource waste and unreasonable division of the base station and the coverage sector.
When the number of the second cells is determined to be 1, the optimal sectors can be divided independently, and when the number of the second cells is determined to be more than 1, the optimal sector dividing process is executed iteratively until all the cells to be divided are distributed to the corresponding optimal sectors, so that each cell to be divided is ensured to be accurately distributed to the corresponding optimal sector, the reasonable distribution of the base station and the coverage sector is realized, the accuracy of the base station and the coverage sector is effectively improved, and the network manager reasonably distributes and utilizes wireless resources and improves the network performance.
Further, after performing optimal sector division based on each initial co-coverage sector to obtain target co-coverage sectors of each cell to be divided, the method further includes:
If the azimuth angle difference value between the antenna azimuth angle of any cell to be divided and the antenna azimuth angles of all the remaining cells to be divided does not meet the first preset difference value range, determining the cell to be divided, which corresponds to the first preset difference value range, as a single cell;
if the azimuth angle difference between the antenna azimuth angles of the single cell and the antenna azimuth angles of all the remaining cells to be divided meets a second preset difference range, determining the remaining cells to be divided corresponding to the second preset difference range as cells to be combined;
determining the minimum azimuth difference between the antenna azimuth of the single cell and the antenna azimuth of each cell to be combined;
and distributing the single-drop cell to the target and coverage sector of the cell to be combined corresponding to the minimum azimuth difference value.
Specifically, referring to fig. 2, the following description is a procedure of allocating a single cell to a co-coverage sector in fig. 2, and thus can be understood as: if the azimuth angle difference between the antenna azimuth angle of any cell to be divided and the antenna azimuth angles of all the remaining cells to be divided does not meet the first preset difference range, the base station and the coverage sector dividing device determine the cell to be divided, which corresponds to the first preset difference range, as a single cell.
Further, if the azimuth difference between the antenna azimuth of the single cell and the antenna azimuth of all the remaining cells to be divided meets a second preset difference range, the base station and the coverage sector dividing device determine the remaining cells to be divided corresponding to the second preset difference range as cells to be combined, wherein the second preset difference range is set according to actual conditions, and the second preset difference range is larger than the first preset difference range.
Further, the base station and coverage sector dividing device compares the values of the azimuth angle differences between the antenna azimuth angles of the single cell and the antenna azimuth angles of the cells to be combined to obtain a difference comparison result.
Further, the base station and coverage sector dividing device determines the minimum azimuth angle difference between the antenna azimuth angles of the single cell and the antenna azimuth angles of the cells to be combined according to the difference comparison result.
Further, the base station and coverage sector dividing device distributes the single-drop cell to the target same-coverage sector of the cell to be combined corresponding to the minimum azimuth difference value, so as to realize the same-coverage sector distribution of the single-drop cell.
It should be noted that if there are multiple cells, the azimuth difference between the cells can be calculated, and all cells corresponding to the azimuth difference satisfying the second preset difference range are allocated to a new optimal sector.
After determining that the drop cell exists, the embodiment of the invention reassigns the drop cell based on the azimuth difference between the drop cell and other assigned cells, thereby effectively avoiding the problems of resource waste and unreasonable division of the base station and the coverage sector caused by the independent assignment of the drop cell to one sector, and effectively solving the problem that the drop cell cannot be reasonably assigned.
Furthermore, the invention also provides a device for dividing the same coverage sector of the base station.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a base station and coverage sector dividing apparatus provided in the present invention.
The base station and coverage sector dividing device comprises:
A selecting module 310, configured to select any cell from cells in the coverage area of the macro station as an origin cell;
a determining module 320, configured to determine antenna azimuth angles of a plurality of cells to be divided; the cells to be divided comprise the original point cell and a co-location cell; the co-located cell refers to a cell within a preset distance range of the original point cell;
an initial co-coverage sector dividing module 330, configured to determine an initial co-coverage sector of each cell to be divided based on an antenna azimuth of each cell to be divided;
The target co-coverage sector dividing module 340 is configured to perform optimal sector division based on each initial co-coverage sector, so as to obtain target co-coverage sectors of each cell to be divided.
The base station and coverage sector dividing device provided by the invention determines the co-located cells through the original point cell to obtain a plurality of cells to be divided in a preset area, determines the initial co-coverage sectors of the cells to be divided by combining the antenna azimuth angles of the cells to be divided, and further performs optimal sector division based on the initial co-coverage sectors to obtain the target co-coverage sectors of the cells to be divided, thereby realizing reasonable distribution of the base station and coverage sectors, effectively improving the accuracy of the base station and coverage sector division, enabling network management personnel to reasonably distribute and utilize wireless resources and improving network performance.
Further, the determining module 320 further includes:
acquiring longitude and latitude of the origin cell;
and inquiring the cells within the preset distance range of the original cell based on the longitude and latitude and the nearest neighbor algorithm of the regional tree to obtain a plurality of co-located cells.
Further, the initial same coverage sector dividing module 330 further includes:
Respectively carrying out difference calculation on the antenna azimuth angles of the current cells to be divided and the antenna azimuth angles of the remaining cells to be divided to obtain azimuth angle difference values; the remaining cells to be divided refer to the remaining cells to be divided except the current cell to be divided in all the cells to be divided;
If any azimuth difference value meets a first preset difference value range, a first sector is constructed, and the remaining cells to be divided and the current cells to be divided corresponding to the first preset difference value range are distributed to the first sector, so that the initial same coverage sector of the current cells to be divided is obtained.
Further, the target co-coverage sector dividing module 340 further includes:
Determining the number of cells and the sector included angle in each initial same coverage sector;
Determining the initial same coverage sector with the largest number of cells and the smallest sector included angle as the optimal sector;
And if all the cells to be divided exist in the optimal sector, determining the optimal sector as the target same coverage sector of each cell to be divided.
Further, the target co-coverage sector dividing module 340 further includes:
if all the cells to be divided do not exist in the optimal sector, determining the optimal sector as a target same coverage sector of each first cell; the first cell refers to a cell to be divided existing in the optimal sector;
determining a target co-coverage sector of at least one second cell; the second cell refers to a cell to be divided that does not exist in the optimal sector.
Further, the target co-coverage sector dividing module 340 further includes:
If the number of the second cells is 1, constructing a second sector, and distributing the second cells to the second sector to obtain a target same coverage sector of the second cell;
If the number of the second cells is greater than 1, updating each second cell into cells to be divided, and iteratively executing the step of determining the initial same coverage sector of each cell to be divided based on the antenna azimuth angle of each cell to be divided until all cells to be divided exist in the optimal sector.
Further, the base station and coverage sector dividing device further includes:
If the azimuth angle difference value between the antenna azimuth angle of any cell to be divided and the antenna azimuth angles of all the remaining cells to be divided does not meet the first preset difference value range, determining the cell to be divided, which corresponds to the first preset difference value range, as a single cell;
if the azimuth angle difference between the antenna azimuth angles of the single cell and the antenna azimuth angles of all the remaining cells to be divided meets a second preset difference range, determining the remaining cells to be divided corresponding to the second preset difference range as cells to be combined;
determining the minimum azimuth difference between the antenna azimuth of the single cell and the antenna azimuth of each cell to be combined;
and distributing the single-drop cell to the target and coverage sector of the cell to be combined corresponding to the minimum azimuth difference value.
It should be noted that, when the base station and coverage sector dividing apparatus provided by the present invention specifically operates, the base station and coverage sector dividing method described in any of the foregoing embodiments may be executed, which is not described in detail in this embodiment.
Fig. 4 is a schematic structural diagram of an electronic device according to the present invention, as shown in fig. 4, the electronic device may include: processor 410, communication interface (Communications Interface) 420, memory 430, and communication bus 440, wherein processor 410, communication interface 420, and memory 430 communicate with each other via communication bus 440. Processor 410 can invoke logic instructions in memory 430 to perform a base station and coverage sector partitioning method comprising: selecting any cell from cells in the coverage area of the macro station as an origin cell; determining antenna azimuth angles of a plurality of cells to be divided; the cells to be divided comprise the original point cell and a co-location cell; the co-located cell refers to a cell within a preset distance range of the original point cell; determining initial same coverage sectors of each cell to be divided based on the antenna azimuth angles of the cells to be divided; and performing optimal sector division based on each initial same coverage sector to obtain target same coverage sectors of each cell to be divided.
Further, the logic instructions in the memory 430 described above may be implemented in the form of software functional units and may be stored in a computer-readable storage medium when sold or used as a stand-alone product. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, are capable of performing the base station and coverage sector partitioning method provided by the above embodiments, the method comprising: selecting any cell from cells in the coverage area of the macro station as an origin cell; determining antenna azimuth angles of a plurality of cells to be divided; the cells to be divided comprise the original point cell and a co-location cell; the co-located cell refers to a cell within a preset distance range of the original point cell; determining initial same coverage sectors of each cell to be divided based on the antenna azimuth angles of the cells to be divided; and performing optimal sector division based on each initial same coverage sector to obtain target same coverage sectors of each cell to be divided.
In yet another aspect, the present invention further provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, is implemented to perform the base station and coverage sector partitioning method provided in the above embodiments, the method comprising: selecting any cell from cells in the coverage area of the macro station as an origin cell; determining antenna azimuth angles of a plurality of cells to be divided; the cells to be divided comprise the original point cell and a co-location cell; the co-located cell refers to a cell within a preset distance range of the original point cell; determining initial same coverage sectors of each cell to be divided based on the antenna azimuth angles of the cells to be divided; and performing optimal sector division based on each initial same coverage sector to obtain target same coverage sectors of each cell to be divided.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for partitioning a base station and a coverage sector, comprising:
selecting any cell from cells in the coverage area of the macro station as an origin cell;
Determining antenna azimuth angles of a plurality of cells to be divided; the cells to be divided comprise the original point cell and a co-location cell; the co-located cell refers to a cell within a preset distance range of the original point cell;
determining initial same coverage sectors of each cell to be divided based on the antenna azimuth angles of the cells to be divided;
and performing optimal sector division based on each initial same coverage sector to obtain target same coverage sectors of each cell to be divided.
2. The base station co-coverage sector division method according to claim 1, when determining an initial co-coverage sector of each cell to be divided based on an antenna azimuth of each cell to be divided, performing the following steps for each cell to be divided:
Respectively carrying out difference calculation on the antenna azimuth angles of the current cells to be divided and the antenna azimuth angles of the remaining cells to be divided to obtain azimuth angle difference values; the remaining cells to be divided refer to the remaining cells to be divided except the current cell to be divided in all the cells to be divided;
If any azimuth difference value meets a first preset difference value range, a first sector is constructed, and the remaining cells to be divided and the current cells to be divided corresponding to the first preset difference value range are distributed to the first sector, so that the initial same coverage sector of the current cells to be divided is obtained.
3. The method for partitioning a base station into same coverage sectors as in claim 2, wherein said performing optimal sector partitioning based on each initial same coverage sector to obtain a target same coverage sector of each cell to be partitioned comprises:
Determining the number of cells and the sector included angle in each initial same coverage sector;
Determining the initial same coverage sector with the largest number of cells and the smallest sector included angle as the optimal sector;
And if all the cells to be divided exist in the optimal sector, determining the optimal sector as the target same coverage sector of each cell to be divided.
4. The method for partitioning a base station into sectors in coverage according to claim 3, further comprising, after determining an initial same-coverage sector having the largest number of cells and the smallest sector included angle as an optimal sector:
if all the cells to be divided do not exist in the optimal sector, determining the optimal sector as a target same coverage sector of each first cell; the first cell refers to a cell to be divided existing in the optimal sector;
determining a target co-coverage sector of at least one second cell; the second cell refers to a cell to be divided that does not exist in the optimal sector.
5. The base station co-coverage sector partitioning method as set forth in claim 4, wherein said determining a target co-coverage sector of at least one second cell comprises:
If the number of the second cells is 1, constructing a second sector, and distributing the second cells to the second sector to obtain a target same coverage sector of the second cell;
If the number of the second cells is greater than 1, updating each second cell into cells to be divided, and iteratively executing the step of determining the initial same coverage sector of each cell to be divided based on the antenna azimuth angle of each cell to be divided until all cells to be divided exist in the optimal sector.
6. The method for partitioning a base station into co-coverage sectors according to claim 5, further comprising, after performing optimal sector partitioning based on each initial co-coverage sector to obtain a target co-coverage sector for each cell to be partitioned:
If the azimuth angle difference value between the antenna azimuth angle of any cell to be divided and the antenna azimuth angles of all the remaining cells to be divided does not meet the first preset difference value range, determining the cell to be divided, which corresponds to the first preset difference value range, as a single cell;
if the azimuth angle difference between the antenna azimuth angles of the single cell and the antenna azimuth angles of all the remaining cells to be divided meets a second preset difference range, determining the remaining cells to be divided corresponding to the second preset difference range as cells to be combined;
determining the minimum azimuth difference between the antenna azimuth of the single cell and the antenna azimuth of each cell to be combined;
and distributing the single-drop cell to the target and coverage sector of the cell to be combined corresponding to the minimum azimuth difference value.
7. The base station co-coverage sector partitioning method according to any one of claims 1-6, wherein said co-sited cell is determined according to the steps of:
acquiring longitude and latitude of the origin cell;
and inquiring the cells within the preset distance range of the original cell based on the longitude and latitude and the nearest neighbor algorithm of the regional tree to obtain a plurality of co-located cells.
8. A base station co-coverage sector dividing apparatus, comprising:
the selection module is used for selecting any cell from cells in the coverage area of the macro station as an origin cell;
The determining module is used for determining antenna azimuth angles of a plurality of cells to be divided; the cells to be divided comprise the original point cell and a co-location cell; the co-located cell refers to a cell within a preset distance range of the original point cell;
The initial same coverage sector dividing module is used for determining the initial same coverage sector of each cell to be divided based on the antenna azimuth angle of each cell to be divided;
and the target same-coverage sector dividing module is used for carrying out optimal sector division based on each initial same-coverage sector to obtain target same-coverage sectors of each cell to be divided.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor, when executing the computer program, performs the steps of the base station and coverage sector partitioning method of any one of claims 1 to 7.
10. A non-transitory computer readable storage medium having stored thereon a computer program, which when executed by a processor performs the steps of the base station and coverage sector partitioning method according to any of claims 1 to 7.
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