CN108540987A - A kind of LTE network covering state evaluating method and device - Google Patents
A kind of LTE network covering state evaluating method and device Download PDFInfo
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- CN108540987A CN108540987A CN201710121190.6A CN201710121190A CN108540987A CN 108540987 A CN108540987 A CN 108540987A CN 201710121190 A CN201710121190 A CN 201710121190A CN 108540987 A CN108540987 A CN 108540987A
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
Abstract
The embodiment of the present invention discloses a kind of LTE network covering state evaluating method and device.The method includes：Within a preset period of time, the measurement report MR data that all terminals in Target cell report are obtained, and according to the MR data, obtain each adjacent area pair；Wherein, RSRP of the adjacent area to any adjacent area of Reference Signal Received Power RSRP and the Target cell including the Target cell；The corresponding adjacent area of MR data that any terminal reports is equal to number the adjacent area number of the Target cell；According to each preset class condition, to the adjacent area to classifying, and the quantity for the adjacent area pair for meeting each default class condition is obtained；According to the quantity of the adjacent area pair for meeting each default class condition, the network coverage status of the Target cell is determined.Described device is for executing the method.LTE network provided in an embodiment of the present invention covers state evaluating method, can quickly and accurately obtain network coverage status.
Description
Technical field
The present invention relates to mobile communication fields, and in particular to a kind of LTE network covering state evaluating method and device.
Background technology
With the propulsion of urbanization process, the building density in city is increasing, and floor is higher and higher, user density also with
Increase, this to LTE network depth covering propose unprecedented problem：Intensive building makes Electromagnetic Wave Propagation multipath imitate
It should become difficult to estimate, have a greatly reduced quality with the numerical simulation accuracy rate of propagation model.
This field lacks the means that Scientific evaluation is carried out to the network coverage status of dense city so that is based on network structure
Depth coverage optimization work be difficult to carry out.The network structure appraisal procedure of mainstream mainly has road test and propagation model at present
Covering estimation.
1, road seine test, sweep check：The LTE on road is believed by the automatic drive test terminal with GPS positioning
It number is acquired and analyzes, can accurately obtain the network coverage condition on road.
However investigation shows that 70% flow occurs indoors, the sampled result on outdoor road can not be assessed effectively
The coverage condition of overall network.
2, the covering distribution map based on propagation model estimation：Pass through Timing Advance (Tadv), the antenna in MR data
Angle of arrival (AoA) and signal propagation model establish covering ingredient fingerprint base, can obtain 20 meters x20 meters, even three-dimensional covers
Lid renders figure.
However the foundation of fingerprint base needs to acquire a large amount of external datas, including accurate city building map, and need
Consider the influence that the unlike materials such as trees, external wall of building propagate signal simultaneously.In addition, the simulation software of exploitation complexity needs to protect
It holds and regularly updates.These so that this method is of high cost, the development cycle is long, updating maintenance is difficult, it is not easy to a wide range of to promote.
Therefore, how to propose a kind of method, using lower cost, quickly and accurately obtain network coverage status, into
And help to carry out the depth coverage optimization work of network structure, it has a very important significance.
Invention content
For the defects in the prior art, a kind of LTE network covering state evaluating method of offer of the embodiment of the present invention and dress
It sets.
On the one hand, the embodiment of the present invention provides a kind of LTE network covering state evaluating method, including：
Within a preset period of time, the measurement report MR data that all terminals in Target cell report are obtained, and according to institute
MR data are stated, each adjacent area pair is obtained；
Wherein, the adjacent area is to Reference Signal Received Power RSRP and the Target cell including the Target cell
The RSRP of any adjacent area；The corresponding adjacent area of MR data that any terminal reports is equal to number the adjacent area number of the Target cell,
And the RSRP of the adjacent area of each adjacent area centering is all from different adjacent areas；
According to each preset class condition, to the adjacent area to classifying, and obtains and meet each default classification item
The quantity of the adjacent area pair of part；
According to the quantity for the adjacent area pair for meeting each default class condition, determine that the network of the Target cell covers
Lid state.
LTE network provided in an embodiment of the present invention covers state evaluating method, due to only need the MR data to being collected into
Row processing, and then adjacent area is obtained to data, then statistical disposition is carried out to data to adjacent area by default class condition, you can it is accurate
It determines the network coverage status of Target cell, therefore using lower cost, quickly and accurately realizes commenting for network coverage status
Estimate.
On the other hand, the embodiment of the present invention also provides a kind of LTE network covering state evaluation device, including：
Acquisition module, within a preset period of time, obtaining the measurement report MR that all terminals in Target cell report
Data, and according to the MR data, obtain each adjacent area pair；
Wherein, the adjacent area is to Reference Signal Received Power RSRP and the Target cell including the Target cell
The RSRP of any adjacent area；The corresponding adjacent area of MR data that any terminal reports is equal to number the adjacent area number of the Target cell,
And the RSRP of the adjacent area of each adjacent area centering is all from different adjacent areas；
Sort module, for according to each preset class condition, to the adjacent area to classifying, and obtaining and meeting each institute
State the quantity of the adjacent area pair of default class condition；
Evaluation module determines the mesh for the quantity according to the adjacent area pair for meeting each default class condition
Mark the network coverage status of cell.
LTE network provided in an embodiment of the present invention covers state evaluation device, due to only need the MR data to being collected into
Row processing, and then adjacent area is obtained to data, then statistical disposition is carried out to data to adjacent area by default class condition, you can it is accurate
It determines the network coverage status of Target cell, therefore using lower cost, quickly and accurately realizes commenting for network coverage status
Estimate.
Description of the drawings
Fig. 1 is the flow diagram that LTE network of the present invention covers state evaluating method embodiment；
Fig. 2 is the Two-dimensional Statistical figure for the Target cell that LTE network of the present invention covers in state evaluating method embodiment；
Fig. 3 is the default classification item for the preset quantity that LTE network of the present invention covers in state evaluating method embodiment
The mathematical way of part expresses schematic diagram；
Fig. 4 is the structural schematic diagram that LTE network of the present invention covers state evaluation device embodiment.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention is explicitly described, it is clear that described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
The every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Fig. 1 is the flow diagram that LTE network of the present invention covers state evaluating method embodiment, referring to Fig. 1, the present embodiment
A kind of LTE network covering state evaluating method is disclosed, including：
S1, within a preset period of time, obtains the measurement report MR data that all terminals in Target cell report, and according to
The MR data, obtain each adjacent area pair；
Wherein, the adjacent area is to the Reference Signal Received Power RSRP (Reference including the Target cell
Signal Received Power) and the Target cell any adjacent area RSRP；The MR data that any terminal reports correspond to
Adjacent area to number be equal to the Target cell adjacent area number, and the RSRP of the adjacent area of each adjacent area centering be all from it is different
Adjacent area；
S2, according to each preset class condition, to the adjacent area to classifying, and obtain meet each default classification
The quantity of the adjacent area pair of condition；
S3, according to the quantity for the adjacent area pair for meeting each default class condition, determine the net of the Target cell
Network covers state.
LTE network provided in an embodiment of the present invention covers state evaluating method, due to only need the MR data to being collected into
Row processing, and then adjacent area is obtained to data, then statistical disposition is carried out to data to adjacent area by default class condition, you can it is accurate
It determines the network coverage status of Target cell, therefore using lower cost, quickly and accurately realizes commenting for network coverage status
Estimate.
It should be noted that the executive agent of this method embodiment is computer.
Specifically, in step sl, the preset time period can be such as 3 days, certainly, the preset time it is specific
Size can be adjusted according to actual needs, and the present embodiment is not construed as limiting this.
It is understood that the RSRP is stored in MRO, (Measurement Report Original, measurement report are former
Beginning sample) in MR.LteScRSRP fields and MR.LteNcRSRP fields in.It is stored in one MR.LteScRSRP field
There is the RSRP of the Target cell, all cells adjacent with the Target cell are stored in a MR.LteNcRSRP field
RSRP.
And in the present embodiment, an adjacent area is to only including the RSRP of the Target cell and all adjacent small
RSRP one of in area can be generated equal with neighboring community's quantity that is, by a MR.LteNcRSRP field
Adjacent area pair.
In step s 2, the default class condition of the preset quantity includes：
The first kind：The RSRP of Target cell is more than -80dBm, and the difference of the RSRP of the RSRP and neighboring community of Target cell
More than 6dBm；
Second class：The RSRP of Target cell is less than -80dBm, the RSRP of neighboring community is more than -110dBm and Target cell
RSRP is less than the RSRP of neighboring community；
Third class：The RSRP of Target cell is less than -110dBm, and the RSRP of neighboring community is less than -110dBm；
4th class：Adjacent area is to being unsatisfactory for any preset class condition in the first kind, the second class and third class.
Specifically, data can be summarized in all adjacent areas being collected into, obtains the Two-dimensional Statistical figure of Target cell, such as
Shown in Fig. 2；
Wherein, horizontal axis indicates that the RSRP sizes of the Target cell, the longitudinal axis indicate that the RSRP sizes of neighboring community, color are deep
Shallow degree indicates the quantity of adjacent area pair.
Accordingly, the default class condition of the preset quantity can be expressed by mathematical way, as shown in Figure 3：
X is the RSRP sizes of Target cell, and y is the RSRP sizes of neighboring community；
The first kind class condition then can be expressed as the quadrant surrounded by x=-80 and x=y+6, be denoted as 1 as
Limit；
Wherein, -80dBm is the field strength threshold value of Target cell, which can be adjusted according to existing net actual demand.1
Adjacent area pair in quadrant can reflect that the level value of the Target cell and neighboring community is in high field, but the Target cell with
It is more stronger than the Target cell that neighboring community does not form apparent gap or adjacent cell signal strength.In such signal
Under the conditions of, it is susceptible to pilot pollution, while excessive signal resource overlapping causes power resource to waste.
The second class class condition then can be expressed as the quadrant surrounded by x=y, y=-110 and x=-80, note
For 2 quadrants；
Wherein, -110dBm and -80dBm is respectively neighboring community's feeble field thresholding and the Target cell high field thresholding,
The two values can be adjusted according to actual demand.Adjacent area pair in 2 quadrants can reflect the Target cell signal intensity ratio
The signal strength of neighboring community is weak, i.e., MR data are reported when terminal will switch.If the adjacent area in 2 quadrants is to quantity mistake
It is more, then illustrate that handoff threshold is not proper or neighboring community's leakage, terminal is caused to fail to be resident most strong cell.
The third class class condition then can be expressed as the quadrant surrounded by x=-110 and y=-110, be denoted as 3
Quadrant；
Wherein, -110dBm is respectively the feeble field thresholding of the Target cell and the feeble field thresholding of neighboring community, the two
Value can be adjusted according to actual conditions.Adjacent area in 3 quadrants is to that can reflect the Target cell and neighboring community
Signal strength be in feeble field, terminal, which can not be stablized, is resident 4G networks, it would be highly desirable to cover the supplement of resource.
The 4th class class condition then can be expressed as the quadrant in addition to 1,2,3 quadrants, be denoted as 4 quadrants；
Adjacent area pair in 4 quadrants can reflect that the signal strength of the Target cell is better than the signal strength of neighboring community,
Terminal, which can not only be stablized, resides in 4G networks, and can stablize in cell resident so that user's perception is good.
In step s3, the quantity according to the adjacent area pair for meeting each default class condition determines
The network coverage status of the Target cell includes：
If the quantity for meeting the adjacent area pair of the first kind class condition accounts for the hundred of the quantity of all adjacent areas pair
Divide than being more than the first preset value, it is determined that the Target cell has overlapping covering problem；
If the quantity for meeting the adjacent area pair of the second class class condition accounts for the hundred of the quantity of all adjacent areas pair
Divide than being more than the second preset value, it is determined that the adjacent area leakage of the Target cell；
If the quantity for meeting the adjacent area pair of the third class class condition accounts for the hundred of the quantity of all adjacent areas pair
Divide than being more than third preset value, it is determined that the Target cell has covering cavity problem；
If the quantity for meeting the adjacent area pair of the 4th class class condition accounts for the hundred of the quantity of all adjacent areas pair
Divide than being more than the 4th preset value, it is determined that the network signal intensity of the Target cell is better than the network signal intensity of adjacent area, makes
It is good to obtain network aware of the user in the Target cell.
Wherein, first preset value, the second preset value, third preset value and the 4th preset value can be according to practical need
It asks and is adjusted, the present embodiment is not construed as limiting this.
Further, after the network coverage status for determining the Target cell, the method further includes：
Obtain the adjacent area pair of all Target cells in predeterminable area；
According to the quantity of the adjacent area pair for all Target cells for meeting each default class condition, determine described pre-
If the network coverage status in region.
Further, after the network coverage status for determining the Target cell, the method further includes：
According to the default class condition of the preset quantity, to each target adjacent area to classifying, and obtains and meet each institute
State the quantity of each target adjacent area pair of default class condition；
Wherein, the target adjacent area is to the RSRP including target neighbor cell.
For ease of understanding, features described above is illustrated with a specific example of this method below：
The scene that a piece of 9.9 square kilometres of region includes as test area, the region is determined in Foshan City Gaoming District
It is abundant, including Binjiang road, hillside hills, public lawn, dense city, sparse outskirts of a town etc..
MR data acquisitions are carried out to 263 cells in the region in 3 days, and obtain the adjacent area pair of all cells, always
Meter 5291754.And first preset value is set as %8, the second preset value is 40%, and third preset value is the 10%, the 4th
Preset value is 50%.
According to preset class condition to above-mentioned 5291754 adjacent areas to classifying, acquisition meets each described default point
The quantity of the adjacent area pair of class condition, and the quantity for calculating the adjacent area pair for meeting each default class condition accounts for all adjacent areas pair
Quantity percentage, obtain following result：
The first kind：1.66%；
Second class：33.71%；
Third class：7.65%；
4th class：56.97%.
By statistical result it is found that the whole network coverage status of the predeterminable area is good, the RSRP of main serving cell compared with
By force, the RSRP of adjacent area is relatively weak, and the network aware of user in the area is good.
Further, according to fig. 3 respectively to the adjacent area of 263 cells in the predeterminable area to counting, obtain as
Statistical result shown in table 1：
Table 1：Each cell adjacent area is to statistical result in the test area of Foshan City Gaoming District
| It amounts to | 1 quadrant | 2 quadrants | 3 quadrants | 4 quadrants | |
| #1 cells | 718605 | 0.98% | 31.54% | 8.90% | 58.59% |
| #2 cells | 653540 | 0.75% | 28.65% | 10.52% | 60.09% |
| #3 cells | 601022 | 1.18% | 28.74% | 7.44% | 62.65% |
| #4 cells | 507859 | 0.27% | 36.81% | 6.67% | 56.25% |
| #5 cells | 500620 | 0.96% | 32.69% | 7.00% | 59.36% |
| #6 cells | 396747 | 0.17% | 38.47% | 7.13% | 54.23% |
| #7 cells | 369611 | 5.07% | 27.96% | 4.44% | 62.54% |
| #8 cells | 345851 | 0.82% | 37.34% | 6.59% | 55.25% |
| #9 cells | 310636 | 8.88% | 36.94% | 5.30% | 48.88% |
| #10 cells | 246660 | 0.82% | 35.59% | 10.96% | 52.63% |
| #11 cells | 188346 | 0.56% | 41.01% | 5.58% | 52.85% |
| #12 cells | 184821 | 0.56% | 35.23% | 11.23% | 52.98% |
| #13 cells | 154602 | 2.96% | 45.79% | 8.72% | 42.54% |
| … | … | … | … | … | … |
| #263 cells | 64431 | 6.33% | 41.91% | 1.36% | 50.40% |
Statistical result is it is found that the ratio of adjacent area pair of the #9 and #13 cells in 4 quadrants is less than the 4th as shown in Table 1
Preset value, covering perception are to be optimized.
And further, the ratio of adjacent area pair of the #13 cells in 2 quadrants be more than the second preset value, it may be determined that for due to
Switching adjacent area leakage causes.
And ratio of the #9 cells in the adjacent area pair of 1 quadrant is more than the first preset value, it may be determined that be asked due to overlapping covering
Topic causes.
Further, using each neighboring community of #9 cells as each target neighbor cell, and it is right respectively according to fig. 3
Each target adjacent area obtains statistical result as shown in table 2 to counting：
Table 2：The adjacent area of each neighboring community of #9 cells is to statistical result
| It amounts to | 1 quadrant | 2 quadrants | 3 quadrants | 4 quadrants | |
| Adjacent area 1 | 108015 | 15.1% | 26.8% | 5.6% | 52.4% |
| Adjacent area 2 | 48388 | 11.6% | 77.4% | 1.0% | 10.0% |
| Adjacent area 3 | 47345 | 6.5% | 30.4% | 3.7% | 59.4% |
| Adjacent area 4 | 42551 | 2.2% | 26.3% | 6.8% | 64.7% |
| Adjacent area 5 | 13512 | 2.7% | 37.7% | 3.5% | 56.2% |
| Adjacent area 6 | 10764 | 0.1% | 33.9% | 5.5% | 60.6% |
| Adjacent area 7 | 10478 | 0.8% | 10.7% | 5.6% | 82.9% |
| Adjacent area 8 | 5312 | 0.0% | 26.8% | 44.8% | 28.4% |
| Adjacent area 9 | 4615 | 0.0% | 47.5% | 2.6% | 49.9% |
| Adjacent area 10 | 2776 | 34.3% | 55.4% | 0.6% | 9.6% |
There are Chong Die covering problems it is found that #9 cells are with adjacent area 10 for statistical result as shown in Table 2, exist with adjacent area 2
There is the empty problem of covering with adjacent area 8 in adjacent area leakage problem.
Accordingly, small to No. #9 according to the sector figure layer of #9 cells and the antenna feeder relativeness of adjacent area 8 and adjacent area 10
Area's antenna is adjusted, it is made to be relatively distant from adjacent area 10 and close to adjacent area 7.
After being adjusted 3 days, count the adjacent area of #9 cells again to statistical result, the adjacent area of 4 quadrants to from
48.88% rises to 57.07%, has reached the adjustment purpose of optimization covering.
By the example it is found that LTE network provided in an embodiment of the present invention covers state evaluating method covers shape to LTE network
The assessment of state is intuitive, comprehensive and science, can quickly and accurately obtain network coverage status, and can apply well
In network optimization back work.
Fig. 4 is the structural schematic diagram that LTE network of the present invention covers state evaluation device embodiment, and referring to Fig. 4, the present invention is real
It applies example and a kind of LTE network covering state evaluation device is also provided, including：Acquisition module 1, sort module 2 and evaluation module 3；
The acquisition module 1 is within a preset period of time, obtaining the measurement report that all terminals in Target cell report
MR data are accused, and according to the MR data, obtain each adjacent area pair；
Wherein, the adjacent area is to Reference Signal Received Power RSRP and the Target cell including the Target cell
The RSRP of any adjacent area；The corresponding adjacent area of MR data that any terminal reports is equal to number the adjacent area number of the Target cell,
And the RSRP of the adjacent area of each adjacent area centering is all from different adjacent areas；
The sort module 2 is used to, according to each preset class condition, to the adjacent area to classifying, and obtain satisfaction
The quantity of the adjacent area pair of each default class condition；
The evaluation module 3 is used for the quantity according to the adjacent area pair for meeting each default class condition, determines institute
State the network coverage status of Target cell.
LTE network provided in an embodiment of the present invention covers state evaluation device, due to only need the MR data to being collected into
Row processing, and then adjacent area is obtained to data, then statistical disposition is carried out to data to adjacent area by default class condition, you can it is accurate
It determines the network coverage status of Target cell, therefore using lower cost, quickly and accurately realizes commenting for network coverage status
Estimate.
Specifically, the preset time period can be such as 3 days, and certainly, the specific size of the preset time can root
It is adjusted according to actual needs, the present embodiment is not construed as limiting this.
It is understood that the RSRP is stored in MRO, (Measurement Report Original, measurement report are former
Beginning sample) in MR.LteScRSRP fields and MR.LteNcRSRP fields in.It is stored in one MR.LteScRSRP field
There is the RSRP of the Target cell, all cells adjacent with the Target cell are stored in a MR.LteNcRSRP field
RSRP.
And in the present embodiment, an adjacent area is to only including the RSRP of the Target cell and all adjacent small
RSRP one of in area, i.e., by a MR.LteNcRSRP field, the acquisition module 1 can obtain with it is adjacent small
The equal adjacent area pair of area's quantity.
The default class condition of the preset quantity includes：
The first kind：The RSRP of Target cell is more than -80dBm, and the difference of the RSRP of the RSRP and neighboring community of Target cell
More than 6dBm；
Second class：The RSRP of Target cell is less than -80dBm, the RSRP of neighboring community is more than -110dBm and Target cell
RSRP is less than the RSRP of neighboring community；
Third class：The RSRP of Target cell is less than -110dBm, and the RSRP of neighboring community is less than -110dBm；
4th class：Adjacent area is to being unsatisfactory for any preset class condition in the first kind, the second class and third class.
Specifically, the sort module 2 can summarize data all adjacent areas being collected into, and obtain Target cell
Two-dimensional Statistical figure, as shown in Figure 2；
Wherein, horizontal axis indicates that the RSRP sizes of the Target cell, the longitudinal axis indicate that the RSRP sizes of neighboring community, color are deep
Shallow degree indicates the quantity of adjacent area pair.
Accordingly, the default class condition of the preset quantity can be expressed by mathematical way, as shown in Figure 3：
X is the RSRP sizes of Target cell, and y is the RSRP sizes of neighboring community；
The first kind class condition then can be expressed as the quadrant surrounded by x=-80 and x=y+6, be denoted as 1 as
Limit；
Wherein, -80dBm is the field strength threshold value of Target cell, which can be adjusted according to existing net actual demand.1
Adjacent area pair in quadrant can reflect that the level value of the Target cell and neighboring community is in high field, but the Target cell with
It is more stronger than the Target cell that neighboring community does not form apparent gap or adjacent cell signal strength.In such signal
Under the conditions of, it is susceptible to pilot pollution, while excessive signal resource overlapping causes power resource to waste.
The second class class condition then can be expressed as the quadrant surrounded by x=y, y=-110 and x=-80, note
For 2 quadrants；
Wherein, -110dBm and -80dBm is respectively neighboring community's feeble field thresholding and the Target cell high field thresholding,
The two values can be adjusted according to actual demand.Adjacent area pair in 2 quadrants can reflect the Target cell signal intensity ratio
The signal strength of neighboring community is weak, i.e., MR data are reported when terminal will switch.If the adjacent area in 2 quadrants is to quantity mistake
It is more, then illustrate that handoff threshold is not proper or neighboring community's leakage, terminal is caused to fail to be resident most strong cell.
The third class class condition then can be expressed as the quadrant surrounded by x=-110 and y=-110, be denoted as 3
Quadrant；
Wherein, -110dBm is respectively the feeble field thresholding of the Target cell and the feeble field thresholding of neighboring community, the two
Value can be adjusted according to actual conditions.Adjacent area in 3 quadrants is to that can reflect the Target cell and neighboring community
Signal strength be in feeble field, terminal, which can not be stablized, is resident 4G networks, it would be highly desirable to cover the supplement of resource.
The 4th class class condition then can be expressed as the quadrant in addition to 1,2,3 quadrants, be denoted as 4 quadrants；
Adjacent area pair in 4 quadrants can reflect that the signal strength of the Target cell is better than the signal strength of neighboring community,
Terminal, which can not only be stablized, resides in 4G networks, and can stablize in cell resident so that user's perception is good.
Specifically, the evaluation module 3 is specifically used for：
If the quantity for meeting the adjacent area pair of the first kind class condition accounts for the hundred of the quantity of all adjacent areas pair
Divide than being more than the first preset value, it is determined that the Target cell has overlapping covering problem；
If the quantity for meeting the adjacent area pair of the second class class condition accounts for the hundred of the quantity of all adjacent areas pair
Divide than being more than the second preset value, it is determined that the adjacent area leakage of the Target cell；
If the quantity for meeting the adjacent area pair of the third class class condition accounts for the hundred of the quantity of all adjacent areas pair
Divide than being more than third preset value, it is determined that the Target cell has covering cavity problem；
If the quantity for meeting the adjacent area pair of the 4th class class condition accounts for the hundred of the quantity of all adjacent areas pair
Divide than being more than the 4th preset value, it is determined that the network signal intensity of the Target cell is better than the network signal intensity of adjacent area, makes
It is good to obtain network aware of the user in the Target cell.
Wherein, first preset value, the second preset value, third preset value and the 4th preset value can be according to practical need
It asks and is adjusted, the present embodiment is not construed as limiting this.
Further, the evaluation module 3 is additionally operable to：
Obtain the adjacent area pair of all Target cells in predeterminable area；
According to the quantity of the adjacent area pair for all Target cells for meeting each default class condition, determine described pre-
If the network coverage status in region.
Further, the sort module 2 is additionally operable to：
According to the default class condition of the preset quantity, to each target adjacent area to classifying, and obtains and meet each institute
State the quantity of each target adjacent area pair of default class condition；
Wherein, the target adjacent area is to the RSRP including target neighbor cell.
LTE network provided in an embodiment of the present invention covers state evaluation device, can be intuitive, comprehensive and scientifically to LTE
Network coverage status is assessed, and can quickly and accurately obtain network coverage status, and can be advantageously applied to the network optimization
Back work.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (8)
1. a kind of LTE network covers state evaluating method, which is characterized in that including：
Within a preset period of time, the measurement report MR data that all terminals in Target cell report are obtained, and according to the MR
Data obtain each adjacent area pair；
Wherein, the adjacent area is to including the Reference Signal Received Power RSRP of the Target cell and any of the Target cell
The RSRP of adjacent area；The corresponding adjacent area of MR data that any terminal reports is equal to number the adjacent area number of the Target cell, and each
The RSRP of the adjacent area of adjacent area centering is all from different adjacent areas；
According to each preset class condition, to the adjacent area to classifying, and obtains and meet each default class condition
The quantity of the adjacent area pair；
According to the quantity for the adjacent area pair for meeting each default class condition, the network coverage shape of the Target cell is determined
State.
2. according to the method described in claim 1, it is characterized in that, each preset class condition includes：
The first kind：The RSRP of Target cell is more than -80dBm, and the difference of the RSRP of the RSRP and neighboring community of Target cell is more than
6dBm；
Second class：The RSRP of Target cell is more than the RSRP of -110dBm and Target cell less than the RSRP of -80dBm, neighboring community
Less than the RSRP of neighboring community；
Third class：The RSRP of Target cell is less than -110dBm, and the RSRP of neighboring community is less than -110dBm；
4th class：Adjacent area is to being unsatisfactory for any preset class condition in the first kind, the second class and third class.
3. according to the method described in claim 2, it is characterized in that, described meet each default class condition according to described
The quantity of the adjacent area pair determines that the network coverage status of the Target cell includes：
If the quantity for meeting the adjacent area pair of the first kind class condition accounts for the percentage of the quantity of all adjacent areas pair
More than the first preset value, it is determined that the Target cell has overlapping covering problem；
If the quantity for meeting the adjacent area pair of the second class class condition accounts for the percentage of the quantity of all adjacent areas pair
More than the second preset value, it is determined that the adjacent area leakage of the Target cell；
If the quantity for meeting the adjacent area pair of the third class class condition accounts for the percentage of the quantity of all adjacent areas pair
More than third preset value, it is determined that the Target cell has the empty problem of covering；
If the quantity for meeting the adjacent area pair of the 4th class class condition accounts for the percentage of the quantity of all adjacent areas pair
More than the 4th preset value, it is determined that the network signal intensity of the Target cell is better than the network signal intensity of adjacent area.
4. according to the method described in claim 3, it is characterized in that, after the network coverage status for determining the Target cell,
The method further includes：
Obtain the adjacent area pair of all Target cells in predeterminable area；
According to the quantity of the adjacent area pair for all Target cells for meeting each default class condition, the preset areas is determined
The network coverage status in domain.
5. a kind of LTE network covers state evaluation device, which is characterized in that including：
Acquisition module, within a preset period of time, obtaining the measurement report MR data that all terminals in Target cell report,
And according to the MR data, obtain each adjacent area pair；
Wherein, the adjacent area is to including the Reference Signal Received Power RSRP of the Target cell and any of the Target cell
The RSRP of adjacent area；The corresponding adjacent area of MR data that any terminal reports is equal to number the adjacent area number of the Target cell, and each
The RSRP of the adjacent area of adjacent area centering is all from different adjacent areas；
Sort module, for according to each preset class condition, to the adjacent area to classifying, and obtain meet it is each described pre-
If the quantity of the adjacent area pair of class condition；
Evaluation module determines that the target is small for the quantity according to the adjacent area pair for meeting each default class condition
The network coverage status in area.
6. device according to claim 5, which is characterized in that each preset class condition includes：
The first kind：The RSRP of Target cell is more than -80dBm, and the difference of the RSRP of the RSRP and neighboring community of Target cell is more than
6dBm；
Second class：The RSRP of Target cell is more than the RSRP of -110dBm and Target cell less than the RSRP of -80dBm, neighboring community
Less than the RSRP of neighboring community；
Third class：The RSRP of Target cell is less than -110dBm, and the RSRP of neighboring community is less than -110dBm；
4th class：Adjacent area is to being unsatisfactory for any preset class condition in the first kind, the second class and third class.
7. device according to claim 6, which is characterized in that the evaluation module is specifically used for：
If the quantity for meeting the adjacent area pair of the first kind class condition accounts for the percentage of the quantity of all adjacent areas pair
More than the first preset value, it is determined that the Target cell has overlapping covering problem；
If the quantity for meeting the adjacent area pair of the second class class condition accounts for the percentage of the quantity of all adjacent areas pair
More than the second preset value, it is determined that the adjacent area leakage of the Target cell；
If the quantity for meeting the adjacent area pair of the third class class condition accounts for the percentage of the quantity of all adjacent areas pair
More than third preset value, it is determined that the Target cell has the empty problem of covering；
If the quantity for meeting the adjacent area pair of the 4th class class condition accounts for the percentage of the quantity of all adjacent areas pair
More than the 4th preset value, it is determined that the network signal intensity of the Target cell is better than the network signal intensity of adjacent area.
8. device according to claim 7, which is characterized in that the evaluation module is additionally operable to：
Obtain the adjacent area pair of all Target cells in predeterminable area；
According to the quantity of the adjacent area pair for all Target cells for meeting each default class condition, the preset areas is determined
The network coverage status in domain.
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