CN106851668A - The detection method and device of a kind of weak overlay area of cell - Google Patents
The detection method and device of a kind of weak overlay area of cell Download PDFInfo
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- CN106851668A CN106851668A CN201710058551.7A CN201710058551A CN106851668A CN 106851668 A CN106851668 A CN 106851668A CN 201710058551 A CN201710058551 A CN 201710058551A CN 106851668 A CN106851668 A CN 106851668A
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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
- H04W16/18—Network planning tools
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
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Abstract
The invention discloses a kind of detection method of the weak overlay area of cell, including：Grid division is carried out to the overlay area of wireless network according to geographical position；The signal intensity of the cell of all detectable signal on each grid that acquisition is divided；The Serving cell of each grid and interfered cell according to the signal intensity determines, and obtain the service grid and interference grid of each cell；The position where service grid and interference grid in the cell, determines the weak covering grid of the cell, and using the region where the weak covering grid as the weak overlay area of the cell.Accordingly, the invention also discloses a kind of detection means of the weak overlay area of cell.Using the embodiment of the present invention, the degree of accuracy of the weak overlay area detection of cell can be effectively improved.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of weak overlay area of cell detection method and device.
Background technology
With the development of the communication technology, the densely populated city in current city, wireless base station website distribution progressively becomes
It is intensive, it is constant in original frequency resource, in the case of urban architecture more complexity, complicated network structure degree more and more higher, certain
The problems such as weak covering, area covered occur in a little regions, too high interference or the neighboring BS relationship of complexity cause that network quality declines.By
Influence each other in factors such as covering, capacity, frequencies, mutually restrict, it is necessary to rationally effective assessment, analysis are carried out to network structure
Confirm the weak coverage condition of network, and wireless network performance is determined according to the weak coverage condition of network.
The weak covering phenomenon existed to network cell, the local sampling number that simply grid of reference conventionally test is obtained at present
According to, the traffic achievement data of net background, or the customer complaint that accepts of complaint center etc., then made according to artificial experience and sentenced
It is disconnected, it is impossible to know the comprehensive coverage condition of cell and detailed weak coverage area information etc., cannot also make quantitative analysis, more without
Method carries out anticipation to the Adjusted Option and result that will implement.
The content of the invention
The embodiment of the present invention proposes the detection method and device of a kind of weak overlay area of cell, can effectively improve cell weak
The degree of accuracy of overlay area detection.
The embodiment of the present invention provides a kind of detection method of the weak overlay area of cell, including：
Grid division is carried out to the overlay area of wireless network according to geographical position；
The signal intensity of the cell of all detectable signal on each grid that acquisition is divided；
The Serving cell of each grid and interfered cell according to the signal intensity determines, and obtain each cell
Service grid and interference grid；
The position where service grid and interference grid in the cell, determines the weak cover grid of the cell
Lattice, and using the region where the weak covering grid as the weak overlay area of the cell.
Further, the signal of the cell for obtaining all detectable signal on each grid for being divided is strong
Degree, specifically includes：
The all sampled points in network measurement data are obtained, and all sampled points are navigated into divided grid
On；
Detect number of each cell in sampled point present on each grid；
If the cell only exists 1 sampled point on the grid, by the cell the sample point letter
Number signal intensity of the intensity as the cell on the grid；
If there are multiple sampled points in the cell, on the grid by the cell in the multiple sample point
Signal intensity of the average value of signal intensity as the cell on the grid；
The signal intensity of the cell of all detectable signal on each grid described in obtaining.
Further, the Serving cell of each grid according to the signal intensity determines and interfered cell, and
The service grid and interference grid of each cell are obtained, is specifically included：
Detection subzone network standard；
If the subzone network standard is GSM, it is not less than with the presence or absence of signal intensity on described each grid of detection pre-
The 1800MHZ cells of the minimum handoff threshold for first configuring；If in the presence of all 1800MHZ that will only be detected on the grid
Cell is used as candidate cell, if not existing, the GSM cell of all detectable signal on the grid is small as candidate
Area；
If the subzone network standard is not GSM, by all detectable identical network standard on the grid
Cell as candidate cell；
According to the signal intensity of all candidate cells on described each grid, it is determined that the Serving cell of each grid
And interfered cell, and obtain the service grid and interference grid of each cell.
Further, the signal intensity of all candidate cells on each grid described in the basis, it is determined that it is described each
The Serving cell of grid and interfered cell, and the service grid and interference grid of each cell are obtained, specifically include：
Choose the most strong candidate cell of signal intensity on described each grid, and signal intensity and strongest signal strength
Difference is no more than the candidate cell of Minimal Protective thresholding, used as the Serving cell of the grid；
Signal intensity on described each grid is chosen to be more than half-power thresholding with the difference of strongest signal strength and be not higher than
The candidate cell of Minimal Protective thresholding, as the interfered cell of the grid；
Using described each grid as its Serving cell service grid, using described each grid as its interfered cell
Interference grid, to obtain the service grid and interference grid of each cell.
Further, the position where the service grid and interference grid in the cell, determines described small
The weak covering grid in area, and the region where the weak covering grid is specifically included as the weak overlay area of the cell：
The average value of the distance of nearest three adjacent areas in each cell and its antenna direction positive area described in calculating, and
Switch distance using the average value as one layer of the cell；
Service grid and interference grid in the cell relative to described one layer switching apart from the position at place, really
The weak covering grid of the fixed cell；
Using the region where the weak covering grid as the weak overlay area of the cell.
Further, the service grid in the cell and interference grid are relative to described one layer switching distance
The position at place, determines the weak covering grid of the cell, specifically includes：
Position where detecting each the service grid and each interference grid in the cell；
If the service grid is located within one layer of switching distance of the cell, and the cell on the service grid
Signal intensity be less than default lowest service coverage threshold value, then using it is described service grid as the cell weak cover grid
Lattice；
If it is described interference grid be located at the cell 1/2nd described in one layer switching distance to described one layer switching away from
Between, and its difference with the distance of the cell is subtracted not in the presence of itself and the distance of other a certain Serving cells on this grid
Less than described one layer N times of switching distance, then using the weak covering grid for disturbing grid as the cell；Wherein, 0.7≤
N≤1。
Correspondingly, the embodiment of the present invention also provides a kind of detection means of the weak overlay area of cell, including：
Grid division module, for carrying out grid division to the overlay area of wireless network according to geographical position；
Signal intensity acquisition module, the cell of all detectable signal on each grid divided for acquisition
Signal intensity；
Grid determining module is small for the Serving cell of each grid and interference according to signal intensity determination
Area, and obtain the service grid and interference grid of each cell；And,
Weak overlay area acquisition module, for the position where the service grid in the cell and interference grid,
Determine the weak covering grid of the cell, and using the region where the weak covering grid as the cell the weak area of coverage
Domain.
Further, the signal intensity acquisition module is specifically included：
Sampled point acquiring unit, for obtaining all sampled points in network measurement data, and by all sampled points
Navigate on divided grid；
Sampled point detection unit, for detecting number of each cell in sampled point present on each grid；
First signal intensity acquiring unit, for when the cell only exists 1 sampled point on the grid, by institute
State signal intensity of signal intensity of the cell in the sample point as the cell on the grid；
Secondary signal intensity acquiring unit, when there is multiple sampled points on the grid for the cell, will be described
Average value signal intensity as the cell on the grid of the cell in the signal intensity of the multiple sample point；With
And,
Acquiring unit, the signal intensity of the cell for obtaining all detectable signal on described each grid.
Further, the grid determining module is specifically included：
Network formats detection unit, for detecting subzone network standard；
First candidate cell acquiring unit, for when the subzone network standard is GSM, detecting on described each grid
The 1800MHZ cells of the minimum handoff threshold being pre-configured with are not less than with the presence or absence of signal intensity；If in the presence of only by the grid
The all 1800MHZ cells detected on lattice as candidate cell, if not existing, will be on the grid it is all detectable
GSM cell as candidate cell；
Second candidate cell acquiring unit, for when the subzone network standard is not GSM, by the institute on the grid
There is the cell of detectable identical network standard as candidate cell；And,
Grid acquiring unit, for the signal intensity according to all candidate cells on described each grid, it is determined that described
The Serving cell of each grid and interfered cell, and obtain the service grid and interference grid of each cell.
Further, the grid acquiring unit is specifically included：
Serving cell chooses subelement, for choosing the most strong candidate cell of signal intensity on described each grid, and
Signal intensity is no more than the candidate cell of Minimal Protective thresholding with the difference of strongest signal strength, and the service as the grid is small
Area；
Subelement is chosen in interfered cell, the difference for choosing signal intensity and strongest signal strength on described each grid
More than half-power thresholding and the not higher than candidate cell of Minimal Protective thresholding, as the interfered cell of the grid；And,
Grid obtains subelement, for using described each grid as its Serving cell service grid, will it is described each
Grid as its interfered cell interference grid, with obtain each cell service grid and interference grid.
Further, the weak overlay area acquisition module is specifically included：
Switching metrics calculation unit, for calculating nearest three in described each cell and its antenna direction positive area
The average value of the distance of adjacent area, and switch distance using the average value as one layer of the cell；
Weak covering grid determining unit, for the service grid in the cell and interference grid relative to described one
Layer switching determines the weak covering grid of the cell apart from the position at place；And,
Weak overlay area acquiring unit, for using it is described it is weak covering grid where region as the cell weak covering
Region.
Further, the weak covering grid determining unit is specifically included：
Position detection sub-unit, for detecting each the service grid in the cell and the position where each interference grid
Put；
First weak covering grid acquiring unit, for the service grid be located at one layer of cell switching distance with
It is interior, and when the signal intensity of the cell is less than default lowest service coverage threshold value on the service grid, by the clothes
Business grid as the cell weak covering grid；And,
Second it is weak covering grid acquiring unit, for it is described interference grid be located at the cell 1/2nd described in one
Layer switching distance switches between distance to described one layer, and is subtracted with the distance of other a certain Serving cells on this grid in the presence of it
When it switches N times of distance not less than described one layer with the difference of the distance of the cell, by the service grid or described dry
Disturb weak covering grid of the grid as the cell；Wherein, 0.7≤N≤1.
Implement the embodiment of the present invention, have the advantages that：
The detection method and device of the weak overlay area of cell provided in an embodiment of the present invention, can be to the covering of wireless network
Region carries out grid division, and then determines the grid according to the signal intensity of the cell of all detectable signal on each grid
The Serving cell of lattice and interfered cell, obtain the service grid and interference grid of each cell, with according to service grid and interference
Position where grid, determines the weak covering grid of cell, obtains the detailed of the comprehensive coverage condition of cell and weak overlay area
Thin information, effectively improves the degree of accuracy of the weak overlay area detection of cell.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of one embodiment of the detection method of the weak overlay area of cell that the present invention is provided；
Fig. 2 is the structural representation of one embodiment of the detection means of the weak overlay area of cell that the present invention is provided.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The schematic flow sheet of one embodiment of the detection method of the weak overlay area of cell provided referring to Fig. 1, the present invention,
Including：
S1, grid division is carried out to the overlay area of wireless network according to geographical position；
The signal intensity of the cell of all detectable signal on each grid that S2, acquisition are divided；
S3, the Serving cell of each grid and interfered cell according to the signal intensity determines, and it is small to obtain each
The service grid and interference grid in area；
Position where S4, the service grid in the cell and interference grid, determines the weak covering of the cell
Grid, and using the region where the weak covering grid as the weak overlay area of the cell.
It should be noted that in the specific implementation, first carrying out grid to the overlay area of wireless network according to geographical position
Divide, obtain multiple square grids, wherein, the big I of grid pre-sets, for example, be set to 20*20m sizes.Due to difference
The region that cell is covered has overlap so that may have multiple cells on each grid, therefore need to obtain on each grid
All detectable signal cell signal intensity.For any one grid, by the signal of all cells on grid
Intensity is ranked up according to order from big to small, so that the size according to signal intensity obtains the grid from all cells
Serving cell and interfered cell, and while the grid obtains its Serving cell, using the grid as its Serving cell clothes
Business grid, while the grid obtains its interfered cell, using the grid as its interfered cell interference grid so that often
Individual cell has service grid and interference grid.
Due to cell and its service grid and interference grid geographical position be, it is known that therefore can obtain service grid and
Interference grid is located at the position of cell where it, and then is determined from the service grid of cell and interference grid according to positional information
Go out the weak covering grid of the cell, the region that weak covering grid is covered, i.e., the geographical position of weak covering grid is the cell
Weak overlay area.The present embodiment is analyzed and summarized by the measurement data to cell in itself, detects weak covering grid, energy
The details of the comprehensive coverage condition of cell and weak overlay area are enough obtained, the weak overlay area detection of cell is effectively improved
The degree of accuracy.
Further, the signal of the cell for obtaining all detectable signal on each grid for being divided is strong
Degree, specifically includes：
The all sampled points in network measurement data are obtained, and all sampled points are navigated into divided grid
On；
Detect number of each cell in sampled point present on each grid；
If the cell only exists 1 sampled point on the grid, by the cell the sample point letter
Number signal intensity of the intensity as the cell on the grid；
If there are multiple sampled points in the cell, on the grid by the cell in the multiple sample point
Signal intensity of the average value of signal intensity as the cell on the grid；
The signal intensity of the cell of all detectable signal on each grid described in obtaining.
It should be noted that in the specific implementation, the information of sampled point, including sampling are first obtained from network measurement data
The signal intensity of the latitude and longitude information of point and each cell of covering sampled point.Wherein, sampled point can be raw in road test
Into sampled point, it is also possible to be that the sampling that obtains is calculated according to MR (Measurement Report, measurement report) data record
Point.According to the latitude and longitude information of sampled point, each sampled point is navigated on the grid to divide.And then, each cell is existed
Sampled point on each grid detected, if a cell does not exist sampled point on certain grid, illustrates the cell not
The grid is covered, any treatment is not made；If a cell only exists a sampled point on certain grid, the sampled point is used
In the cell signal intensity of the signal intensity as the cell on the grid；If cell exists many on certain grid
Individual sampled point, then signal of the average value as the cell on the grid for taking the signal intensity of the cell in all sampled points is strong
Degree, so as to obtain the signal intensity of all cells on each grid.
Further, the Serving cell of each grid according to the signal intensity determines and interfered cell, and
The service grid and interference grid of each cell are obtained, is specifically included：
Detection subzone network standard；
If the subzone network standard is GSM, it is not less than with the presence or absence of signal intensity on described each grid of detection pre-
The 1800MHZ cells of the minimum handoff threshold for first configuring；If in the presence of all 1800MHZ that will only be detected on the grid
Cell is used as candidate cell, if not existing, using all detectable GSM cell on the grid as candidate cell；
If the subzone network standard is not GSM, by all detectable identical network standard on the grid
Cell as candidate cell；
According to the signal intensity of all candidate cells on described each grid, it is determined that the Serving cell of each grid
And interfered cell, and obtain the service grid and interference grid of each cell.
It should be noted that in the specific implementation, subzone network standard is first detected, for GSM network cell, if grid
On there is 1800MHZ cells, and its signal intensity is more than or equal to the minimum handoff threshold value of the cell, then no matter on the grid
The strongest signal strength of 900MHz cells be it is how many, 900MHz cells all without the candidate cell as the grid, enter without
Serving cell or interfered cell as the grid, the grid also will not be used as the service grid of 900MHz cells or interference grid
Lattice, and signal intensity is only more than or equal to the 1800MHZ cells of the minimum handoff threshold value of the cell as the time of the grid
Select cell.If in GSM network cell, on grid do not exist 1800MHZ cells, or exist on grid 1800MHZ cells but
Its signal intensity then all makees all detectable GSM regions on the grid less than the minimum handoff threshold value of the cell
It is candidate cell, therefrom to determine Serving cell or the interfered cell of the grid.For non-GSM network cell, by can on grid
The all cells with identical network standard for detecting as candidate cell, therefrom to determine the Serving cell of the grid or dry
Disturb cell.
Further, the signal intensity of all candidate cells on each grid described in the basis, it is determined that it is described each
The Serving cell of grid and interfered cell, and the service grid and interference grid of each cell are obtained, specifically include：
Choose the most strong candidate cell of signal intensity on described each grid, and signal intensity and strongest signal strength
Difference is no more than the candidate cell of Minimal Protective thresholding, used as the Serving cell of the grid；
Signal intensity on described each grid is chosen to be more than half-power thresholding with the difference of strongest signal strength and be not higher than
The candidate cell of Minimal Protective thresholding, as the interfered cell of the grid；
Using described each grid as its Serving cell service grid, using described each grid as its interfered cell
Interference grid, to obtain the service grid and interference grid of each cell.
It should be noted that for any one grid, by the signal intensity of all candidate cells on grid according to from big
Arranged to small order.If signal intensity of certain candidate cell on the grid is most strong, or certain candidate cell is at this
Signal intensity on grid is differed no more than Minimal Protective thresholding, then using the candidate cell as the grid with strongest signal strength
Serving cell.Choose the grid Serving cell simultaneously, using the grid as its Serving cell service grid.If certain
Signal intensity of the candidate cell on the grid differs by more than half-power thresholding and is protected less than or equal to minimum with strongest signal strength
Shield thresholding, then using the candidate cell as the interfered cell of the grid.In the interfered cell for choosing the grid simultaneously, by the grid
As the interference grid of its interfered cell.And then all Serving cells of each grid and all interfered cells are obtained, and often
All service grids and all interference grids of individual cell.
Further, the position where the service grid and interference grid in the cell, determines described small
The weak covering grid in area, and the region where the weak covering grid is specifically included as the weak overlay area of the cell：
The average value of the distance of nearest three adjacent areas in each cell and its antenna direction positive area described in calculating, and
Switch distance using the average value as one layer of the cell；
Service grid and interference grid in the cell relative to described one layer switching apart from the position at place, really
The weak covering grid of the fixed cell；
Using the region where the weak covering grid as the weak overlay area of the cell.
It should be noted that the configuration parameter table according to network cell, can calculate one layer of switching distance of each cell, i.e.,
The average value of the distance of nearest three adjacent areas in cell and antenna in cell direction positive area.And then, according in each cell
Each service grid and interference grid switch the position of distance relative to one layer of the cell to determine the weak covering of the cell
Grid.
Further, the service grid in the cell and interference grid are relative to described one layer switching distance
The position at place, determines the weak covering grid of the cell, specifically includes：
Position where detecting each the service grid and each interference grid in the cell；
If the service grid is located within one layer of switching distance of the cell, and the cell on the service grid
Signal intensity be less than default lowest service coverage threshold value, then using it is described service grid as the cell weak cover grid
Lattice；
If it is described interference grid be located at the cell 1/2nd described in one layer switching distance to described one layer switching away from
Between, and its difference with the distance of the cell is subtracted not in the presence of itself and the distance of other a certain Serving cells on this grid
Less than described one layer N times of switching distance, then using the weak covering grid for disturbing grid as the cell；Wherein, 0.7≤
N≤1。
It should be noted that in all service grids of cell, if grid be located at one layer of switching of the cell away from
The signal intensity of the cell is less than the lowest service coverage threshold value of network settings within, and on the grid, then by the grid
Count the weak covering grid of the cell.In addition, thanks for your hospitality grid in cell, if grid be located at the cell two/
One one layer of switching distance is to other any Serving cells subtract with the distance of the grid between one layer of switching distance, and on the grid
Go the cell to be more than or equal to one layer N times of switching distance of the cell with the difference of the distance of the grid, then count the grid
The weak covering grid of the cell.Wherein, cell and the distance of grid are the distance of cellular-site location to grid center position.
The geographical position of all weak covering grids of cell is the weak overlay area of the cell.
The detection method of the weak overlay area of cell provided in an embodiment of the present invention, can enter to the overlay area of wireless network
Row grid division, and then the clothes of the grid are determined according to the signal intensity of the cell of all detectable signal on each grid
Business cell and interfered cell, obtain the service grid and interference grid of each cell, with according to service grid and interference grid institute
Position, determine the weak covering grid of cell, obtain the details of the comprehensive coverage condition of cell and weak overlay area,
Effectively improve the degree of accuracy of the weak overlay area detection of cell.
Accordingly, the present invention also provides a kind of detection means of the weak overlay area of cell, in can realizing above-described embodiment
The weak overlay area of cell detection method all flows.
It is the structural representation of one embodiment of the detection means of the weak overlay area of cell that the present invention is provided referring to Fig. 2
Figure, including：
Grid division module 1, for carrying out grid division to the overlay area of wireless network according to geographical position；
Signal intensity acquisition module 2, the cell for obtaining all detectable signal on each grid for being divided
Signal intensity；
Grid determining module 3 is small for the Serving cell of each grid and interference according to signal intensity determination
Area, and obtain the service grid and interference grid of each cell；And,
Weak overlay area acquisition module 4, for the position where the service grid in the cell and interference grid,
Determine the weak covering grid of the cell, and using the region where the weak covering grid as the cell the weak area of coverage
Domain.
Further, the signal intensity acquisition module is specifically included：
Sampled point acquiring unit, for obtaining all sampled points in network measurement data, and by all sampled points
Navigate on divided grid；
Sampled point detection unit, for detecting number of each cell in sampled point present on each grid；
First signal intensity acquiring unit, for when the cell only exists 1 sampled point on the grid, by institute
State signal intensity of signal intensity of the cell in the sample point as the cell on the grid；
Secondary signal intensity acquiring unit, when there is multiple sampled points on the grid for the cell, will be described
Average value signal intensity as the cell on the grid of the cell in the signal intensity of the multiple sample point；With
And,
Acquiring unit, the signal intensity of the cell for obtaining all detectable signal on described each grid.
Further, the grid determining module is specifically included：
Network formats detection unit, for detecting subzone network standard；
First candidate cell acquiring unit, for when the subzone network standard is GSM, detecting on described each grid
The 1800MHZ cells of the minimum handoff threshold being pre-configured with are not less than with the presence or absence of signal intensity；If in the presence of only by the grid
The all 1800MHZ cells detected on lattice as candidate cell, if not existing, will be on the grid it is all detectable
GSM cell as candidate cell；
Second candidate cell acquiring unit, for when the subzone network standard is not GSM, by the institute on the grid
There is the cell of detectable identical network standard as candidate cell；And,
Grid acquiring unit, for the signal intensity according to all candidate cells on described each grid, it is determined that described
The Serving cell of each grid and interfered cell, and obtain the service grid and interference grid of each cell.
Further, the grid acquiring unit is specifically included：
Serving cell chooses subelement, for choosing the most strong candidate cell of signal intensity on described each grid, and
Signal intensity is no more than the candidate cell of Minimal Protective thresholding with the difference of strongest signal strength, and the service as the grid is small
Area；
Subelement is chosen in interfered cell, the difference for choosing signal intensity and strongest signal strength on described each grid
More than half-power thresholding and the not higher than candidate cell of Minimal Protective thresholding, as the interfered cell of the grid；And,
Grid obtains subelement, for using described each grid as its Serving cell service grid, will it is described each
Grid as its interfered cell interference grid, with obtain each cell service grid and interference grid.
Further, the weak overlay area acquisition module is specifically included：
Switching metrics calculation unit, for calculating nearest three in described each cell and its antenna direction positive area
The average value of the distance of adjacent area, and switch distance using the average value as one layer of the cell；
Weak covering grid determining unit, for the service grid in the cell and interference grid relative to described one
Layer switching determines the weak covering grid of the cell apart from the position at place；And,
Weak overlay area acquiring unit, for using it is described it is weak covering grid where region as the cell weak covering
Region.
Further, the weak covering grid determining unit is specifically included：
Position detection sub-unit, for detecting each the service grid in the cell and the position where each interference grid
Put；
First weak covering grid acquiring unit, for the service grid be located at one layer of cell switching distance with
It is interior, and when the signal intensity of the cell is less than default lowest service coverage threshold value on the service grid, by the clothes
Business grid as the cell weak covering grid；And,
Second it is weak covering grid acquiring unit, for it is described interference grid be located at the cell 1/2nd described in one
Layer switching distance switches between distance to described one layer, and is subtracted with the distance of other a certain Serving cells on this grid in the presence of it
When it switches N times of distance not less than described one layer with the difference of the distance of the cell, by the service grid or described dry
Disturb weak covering grid of the grid as the cell；Wherein, 0.7≤N≤1.
The detection means of the weak overlay area of cell provided in an embodiment of the present invention, can enter to the overlay area of wireless network
Row grid division, and then the clothes of the grid are determined according to the signal intensity of the cell of all detectable signal on each grid
Business cell and interfered cell, obtain the service grid and interference grid of each cell, with according to service grid and interference grid institute
Position, determine the weak covering grid of cell, obtain the details of the comprehensive coverage condition of cell and weak overlay area,
Effectively improve the degree of accuracy of the weak overlay area detection of cell.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. the detection method of the weak overlay area of a kind of cell, it is characterised in that including：
Grid division is carried out to the overlay area of wireless network according to geographical position；
The signal intensity of the cell of all detectable signal on each grid that acquisition is divided；
The Serving cell of each grid and interfered cell according to the signal intensity determines, and obtain the service of each cell
Grid and interference grid；
The position where service grid and interference grid in the cell, determines the weak covering grid of the cell, and
Using the region where the weak covering grid as the weak overlay area of the cell.
2. the detection method of the weak overlay area of cell as claimed in claim 1, it is characterised in that it is every that the acquisition is divided
The signal intensity of the cell of all detectable signal on individual grid, specifically includes：
The all sampled points in network measurement data are obtained, and all sampled points are navigated on divided grid；
Detect number of each cell in sampled point present on each grid；
If the cell only exists 1 sampled point on the grid, and the cell is strong in the signal of the sample point
Spend the signal intensity as the cell on the grid；
If there are multiple sampled points on the grid in the cell, by the cell the multiple sample point signal
Signal intensity of the average value of intensity as the cell on the grid；
The signal intensity of the cell of all detectable signal on each grid described in obtaining.
3. the detection method of the weak overlay area of cell as claimed in claim 1, it is characterised in that described strong according to the signal
Degree determines Serving cell and the interfered cell of each grid, and obtains the service grid and interference grid of each cell, tool
Body includes：
Detection subzone network standard；
If the subzone network standard is GSM, it is not less than with the presence or absence of signal intensity on described each grid of detection and is matched somebody with somebody in advance
The 1800MHZ cells of the minimum handoff threshold put；If in the presence of the 1800MHZ cells that will only be detected on the grid
As candidate cell, if not existing, using all detectable GSM cell on the grid as candidate cell；
If the subzone network standard is not GSM, by the small of all detectable identical network standard on the grid
Area is used as candidate cell；
According to the signal intensity of all candidate cells on described each grid, it is determined that the Serving cell of each grid and dry
Cell is disturbed, and obtains the service grid and interference grid of each cell.
4. the detection method of the weak overlay area of cell as claimed in claim 3, it is characterised in that each grid described in the basis
The signal intensity of all candidate cells on lattice, it is determined that the Serving cell of each grid and interfered cell, and obtain each
The service grid and interference grid of cell, specifically include：
Choose the most strong candidate cell of signal intensity on described each grid, and signal intensity and strongest signal strength difference
No more than the candidate cell of Minimal Protective thresholding, as the Serving cell of the grid；
Choose signal intensity on described each grid and be more than half-power thresholding and not higher than minimum with the difference of strongest signal strength
The candidate cell of thresholding is protected, as the interfered cell of the grid；
Using described each grid as its Serving cell service grid, using described each grid as its interfered cell interference
Grid, to obtain the service grid and interference grid of each cell.
5. the detection method of the weak overlay area of cell as claimed in claim 1, it is characterised in that described according in the cell
Service grid and interference grid where position, determine the weak covering grid of the cell, and described weak will cover grid institute
Region as the weak overlay area of the cell, specifically include：
Calculate the average value of the distance of nearest three adjacent areas in described each cell and its antenna direction positive area, and by institute
Average value is stated as the cell one layer switches distance；
Service grid and interference grid in the cell, apart from the position at place, determine institute relative to described one layer switching
State the weak covering grid of cell；
Using the region where the weak covering grid as the weak overlay area of the cell.
6. the detection method of the weak overlay area of cell as claimed in claim 5, it is characterised in that described according in the cell
Service grid and interference grid relative to described one layer switching apart from the position at place, determine the weak cover grid of the cell
Lattice, specifically include：
Position where detecting each the service grid and each interference grid in the cell；
If the service grid is located within one layer of switching distance of the cell, and the letter for servicing the cell on grid
Number intensity is less than default lowest service coverage threshold value, then using the service grid as the cell weak covering grid；
If it is described interference grid be located at the cell 1/2nd described in one layer switching distance to described one layer switching apart from it
Between, and subtract it in the presence of itself and the distance of other a certain Serving cells on this grid and be not less than with the difference of the distance of the cell
N times of one layer of switching distance, then using the weak covering grid for disturbing grid as the cell；Wherein, 0.7≤N≤
1。
7. the detection means of the weak overlay area of a kind of cell, it is characterised in that including：
Grid division module, for carrying out grid division to the overlay area of wireless network according to geographical position；
Signal intensity acquisition module, the signal of the cell for obtaining all detectable signal on each grid for being divided
Intensity；
Grid determining module, for the Serving cell of each grid and interfered cell according to signal intensity determination, and
Obtain the service grid and interference grid of each cell；And,
Weak overlay area acquisition module, for the position where the service grid in the cell and interference grid, it is determined that
The weak covering grid of the cell, and using the region where the weak covering grid as the weak overlay area of the cell.
8. the detection means of the weak overlay area of cell as claimed in claim 7, it is characterised in that the grid determining module tool
Body includes：
Network formats detection unit, for detecting subzone network standard；
First candidate cell acquiring unit, for when the subzone network standard is GSM, on described each grid of detection whether
There is the 1800MHZ cells that signal intensity is not less than the minimum handoff threshold being pre-configured with；If in the presence of only by the grid
The 1800MHZ cells for detecting as candidate cell, if not existing, will be all detectable on the grid
GSM cell is used as candidate cell；
Second candidate cell acquiring unit, for when the subzone network standard is not GSM, can by all on the grid
The cell of the identical network standard for detecting is used as candidate cell；And,
Grid acquiring unit, for the signal intensity according to all candidate cells on described each grid, it is determined that it is described each
The Serving cell of grid and interfered cell, and obtain the service grid and interference grid of each cell；
Wherein, the grid acquiring unit is specifically included：
Serving cell chooses subelement, for choosing the most strong candidate cell of signal intensity on described each grid, and signal
Intensity is no more than the candidate cell of Minimal Protective thresholding with the difference of strongest signal strength, used as the Serving cell of the grid；
Subelement is chosen in interfered cell, is more than with the difference of strongest signal strength for choosing signal intensity on described each grid
Half-power thresholding and the not higher than candidate cell of Minimal Protective thresholding, as the interfered cell of the grid；And,
Grid obtains subelement, for using described each grid as the service grid of its Serving cell, inciting somebody to action described each grid
As the interference grid of its interfered cell, to obtain the service grid and interference grid of each cell.
9. the detection means of the weak overlay area of cell as claimed in claim 7, it is characterised in that the weak overlay area obtains
Module is specifically included：
Switching metrics calculation unit, for calculating nearest three adjacent areas in described each cell and its antenna direction positive area
Distance average value, and switch distance using the average value as one layer of the cell；
Weak covering grid determining unit, cuts for the service grid in the cell and interference grid relative to described one layer
Change apart from the position at place, determine the weak covering grid of the cell；And,
Weak overlay area acquiring unit, for using it is described it is weak covering grid where region as the cell the weak area of coverage
Domain.
10. the detection means of the weak overlay area of cell as claimed in claim 9, it is characterised in that the weak covering grid is true
Order unit specifically includes：
Position detection sub-unit, for detecting each the service grid in the cell and the position where each interference grid；
First weak covering grid acquiring unit, for switching within positioned at one layer of the cell in the service grid,
And when the signal intensity of the cell is less than default lowest service coverage threshold value on the service grid, by the service grid
Lattice as the cell weak covering grid；And,
Second it is weak covering grid acquiring unit, for it is described interference grid be located at the cell 1/2nd described in one layer cut
Change distance to described one layer switching distance between, and in the presence of itself and the distance of other a certain Serving cells on this grid subtract its with
When the difference of the distance of the cell switches N times of distance not less than described one layer, by service grid or the interference grid
Lattice as the cell weak covering grid；Wherein, 0.7≤N≤1.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110167037A (en) * | 2019-05-24 | 2019-08-23 | 中国联合网络通信集团有限公司 | LTE network interference estimation method, device, system and storage medium |
| CN110401956A (en) * | 2018-04-25 | 2019-11-01 | 中国移动通信集团广东有限公司 | Coverage evaluating method and apparatus |
| CN111343648A (en) * | 2018-12-19 | 2020-06-26 | 中国移动通信集团辽宁有限公司 | Region analysis method, device and equipment |
| CN114363925A (en) * | 2021-12-16 | 2022-04-15 | 北京红山信息科技研究院有限公司 | Network quality difference automatic identification method |
| CN115175100A (en) * | 2022-07-06 | 2022-10-11 | 中国联合网络通信集团有限公司 | Network coverage problem processing method and device, server and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102083119A (en) * | 2009-11-30 | 2011-06-01 | 中国移动通信集团广东有限公司 | Method and device for evaluating network coverage interference |
| CN102480742A (en) * | 2010-11-25 | 2012-05-30 | 中国移动通信集团广东有限公司 | Method and device for detecting overshooting of wireless network |
| WO2014179941A1 (en) * | 2013-05-08 | 2014-11-13 | 华为技术有限公司 | Method and apparatus for processing cell interoperation |
| CN105338546A (en) * | 2014-06-28 | 2016-02-17 | 北京神州泰岳软件股份有限公司 | Defective cell positioning method and system for LTE network |
| CN105228242B (en) * | 2014-05-26 | 2019-01-01 | 中国移动通信集团公司 | The localization method and device of weak overlay area |
-
2017
- 2017-01-23 CN CN201710058551.7A patent/CN106851668A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102083119A (en) * | 2009-11-30 | 2011-06-01 | 中国移动通信集团广东有限公司 | Method and device for evaluating network coverage interference |
| CN102480742A (en) * | 2010-11-25 | 2012-05-30 | 中国移动通信集团广东有限公司 | Method and device for detecting overshooting of wireless network |
| WO2014179941A1 (en) * | 2013-05-08 | 2014-11-13 | 华为技术有限公司 | Method and apparatus for processing cell interoperation |
| CN105228242B (en) * | 2014-05-26 | 2019-01-01 | 中国移动通信集团公司 | The localization method and device of weak overlay area |
| CN105338546A (en) * | 2014-06-28 | 2016-02-17 | 北京神州泰岳软件股份有限公司 | Defective cell positioning method and system for LTE network |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401956A (en) * | 2018-04-25 | 2019-11-01 | 中国移动通信集团广东有限公司 | Coverage evaluating method and apparatus |
| CN111343648A (en) * | 2018-12-19 | 2020-06-26 | 中国移动通信集团辽宁有限公司 | Region analysis method, device and equipment |
| CN111343648B (en) * | 2018-12-19 | 2023-11-03 | 中国移动通信集团辽宁有限公司 | Regional analysis method, device and equipment |
| CN110167037A (en) * | 2019-05-24 | 2019-08-23 | 中国联合网络通信集团有限公司 | LTE network interference estimation method, device, system and storage medium |
| CN110167037B (en) * | 2019-05-24 | 2022-05-31 | 中国联合网络通信集团有限公司 | LTE network interference evaluation method, device, system and storage medium |
| CN114363925A (en) * | 2021-12-16 | 2022-04-15 | 北京红山信息科技研究院有限公司 | Network quality difference automatic identification method |
| CN114363925B (en) * | 2021-12-16 | 2023-10-24 | 北京红山信息科技研究院有限公司 | Automatic network quality difference identification method |
| CN115175100A (en) * | 2022-07-06 | 2022-10-11 | 中国联合网络通信集团有限公司 | Network coverage problem processing method and device, server and storage medium |
| CN115175100B (en) * | 2022-07-06 | 2024-04-02 | 中国联合网络通信集团有限公司 | Network coverage problem processing method, device, server and storage medium |
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