CN103906104A - Method and device for positioning and covering hole - Google Patents
Method and device for positioning and covering hole Download PDFInfo
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- CN103906104A CN103906104A CN201210589464.1A CN201210589464A CN103906104A CN 103906104 A CN103906104 A CN 103906104A CN 201210589464 A CN201210589464 A CN 201210589464A CN 103906104 A CN103906104 A CN 103906104A
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Abstract
The invention discloses a method for positioning and covering a hole. The method comprises the steps of selecting out weak covering grids according to a measurement report (MR) of all sampling points; selecting out a grid covering the hole from the weak covering grids; determining the position of the grid covering the hole. The invention further discloses a device for positioning and covering the hole. By means of the method and the device for positioning and covering the hole, manual operation is avoided, and efficiency and accuracy in hole positioning and covering can be ensured.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of location and cover empty method and device.
Background technology
Cover cavity and refers to that the regional area pilot signal strength that occurs is too low in the coverage of planning, cannot form continuous covering, thereby produce due to anomalous events such as access failure that signal causes a little less than, call drop, handoff failures.At present, location covers empty method two kinds: one is to rely on customer complaint and whole networking measurement information location to cover cavity; Another kind is to utilize KPI Key Performance Indicator (KPI, Key PerformanceIndicator) comprehensively to analyze the covering cavity of cell of origin rank.
But, above-mentioned dependence customer complaint and whole networking measurement information location cover in empty method, the sampled point quantity surveyed due to customer complaint or whole networking is limited and have region limitation, does not therefore have the representative and comprehensive coverage condition of reaction network widely; And cost is higher, human input is larger.Carry out comprehensive analyzing and positioning for the above-mentioned KPI of utilization and cover empty method, although can solve to a certain extent the hysteresis of pinpointing the problems, sampled point is few, analyzed area is limited, the problem such as pinpoint the problems comprehensive not, but, the statistics Shi Yi community of network management data is unit, and the coverage of community is more extensively about 0.6 to 1.6KM, in suburb or rural area coverage wider, so there will be the phenomenon that causes the weak covering of part sampled point cannot be pinpointed the problems by a large amount of normal sampled point neutralizations because sampled point is more, and the community that has covering problem of finding for network management data analysis, because the wide accurately location that is also difficult to of coverage of community covers empty position.
Visible, location of the prior art covers empty method, is not speed compared with slow and human input is large, is exactly accurate not.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of location to cover empty method and device, can avoid manual operation, and can guarantee that location covers empty efficiency and accuracy.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of location and cover empty method, the method comprises:
Select the weak grid that covers according to the measurement report of all sampled points (MR, Measurement Report);
Select and cover empty grid from described weak covering grid, determine the position that covers empty grid.
In such scheme, the described MR according to all sampled points selects the weak grid that covers, comprise: utilize the current all MR that obtain to determine the position coordinates that each sampled point is corresponding, the position coordinates corresponding according to each sampled point, is divided to corresponding grid region by each sampled point; Extract one by one grid region as current grid region, utilize MR corresponding to all sampled points in current grid region, determine whether current grid region is the weak grid that covers.
In such scheme, describedly utilize MR corresponding to all sampled points in current grid region, determine whether current grid region is the weak grid that covers, comprise: determine that according to the MR that in current grid region, all sampled points are corresponding efficiently sampling in current grid region counts, according in MR corresponding to each sampled point lower than the quantity of the MR of weak covering level threshold value as weak covering sampling number, calculate the ratio that described weak covering sampling number and efficiently sampling are counted, judge whether this ratio is less than the weak grid region threshold value that covers, if lower than, judge that described current grid region is as weak covering grid region.
In such scheme, described covering a little less than described grid selected and covered empty grid, determine the position that covers empty grid, comprise: select one by one the weak grid that covers, from the weak covering grid of selecting, obtain successively the Location Area Code (LAC of all coverage cell of each effective sampling points, Location Area Code) and community coding (CI, Cell Identity) and level value, until get the level value of whole coverage cell that effective sampling points all in the weak covering grid of selecting is corresponding; According to the level value of described whole coverage cell, judge that whether the weak covering grid of selecting is as covering empty grid, definite position that covers empty grid.
In such scheme, described according to the level value of described whole coverage cell, judge whether the weak covering grid of selecting comprises as covering empty grid: extract corresponding CI and the level value in all coverage cell corresponding to weak covering grid of selecting, add up whole level value quantity of each coverage cell, select the quantity of the weak level value of each coverage cell, calculate the quantity of weak level value of each coverage cell and the ratio of whole level value quantity as coverage cell ratio, in the weak covering grid that judgement is selected, whether all coverage cell ratio is all less than weak coverage cell level threshold value, if, determine that the weak covering grid of selecting is for covering empty grid.
The present invention also provides a kind of location to cover empty device, and this device comprises: locating module and determination module; Wherein,
Locating module, for select the weak grid that covers according to the MR of all sampled points, sends to determination module by the described weak grid information that covers;
Determination module, selects the empty grid of covering for the described weak grid that covers of sending from locating module, determines the position that covers empty grid.
In such scheme, described locating module, specifically for utilizing the current all MR that obtain to determine the position coordinates that each sampled point is corresponding, the position coordinates corresponding according to each sampled point, is divided to corresponding grid region by each sampled point; Extract one by one grid region as current grid region, utilize MR corresponding to all sampled points in current grid region, determine whether current grid region is the weak grid that covers.
In such scheme, described locating module, count specifically for determine the efficiently sampling in current grid region according to the MR that in current grid region, all sampled points are corresponding, according in MR corresponding to each sampled point lower than the quantity of the MR of weak covering level threshold value as weak covering sampling number, calculate the ratio that described weak covering sampling number and efficiently sampling are counted, judge whether this ratio is less than the weak grid region threshold value that covers, if lower than, judge that described current grid region is as weak covering grid region.
In such scheme, described determination module, specifically for selecting one by one the weak grid that covers, from the weak covering grid of selecting, obtain successively LAC and CI and the level value of all coverage cell of each effective sampling points, until get the level value of whole coverage cell that effective sampling points all in the weak covering grid of selecting is corresponding; According to the level value of described whole coverage cell, judge that whether the weak covering grid of selecting is as covering empty grid, definite position that covers empty grid.
In such scheme, described determination module, specifically for extracting corresponding CI and the level value in all coverage cell corresponding to weak covering grid of selecting, add up whole level value quantity of each coverage cell, select the quantity of the weak level value of each coverage cell, calculate the quantity of weak level value of each coverage cell and the ratio of whole level value quantity as coverage cell ratio, in the weak covering grid that judgement is selected, whether all coverage cell ratio is all less than weak coverage cell level threshold value, if so, determine that the weak covering grid of selecting is for covering empty grid.
Location provided by the present invention covers empty method and device, selects the weak grid that covers according to the MR of all sampled points; Select and cover empty grid from described weak covering grid, determine the position that covers empty grid.So, just can avoid manual operation; And, owing to covering cavity based on grid region location, can avoid cell coverage area excessive cause cannot accurately locate the empty problem that covers, thereby guarantee that location covers empty accuracy and ageing.
Accompanying drawing explanation
Fig. 1 is that the present invention locates the empty method flow schematic diagram of covering;
Fig. 2 is that the present invention locates the empty installation composition structural representation of covering.
Embodiment
Basic thought of the present invention is: select the weak grid that covers according to the MR of all sampled points; Select and cover empty grid from described weak covering grid, determine the position that covers empty grid.
Below in conjunction with drawings and the specific embodiments, the present invention is further described in more detail.
The location that the present invention proposes covers empty method, as shown in Figure 1, comprises the following steps:
Step 101: select the weak grid that covers according to the MR of all sampled points.
Concrete, utilize the current all MR that obtain to determine the position coordinates that each sampled point is corresponding, the position coordinates corresponding according to each sampled point, is divided to corresponding grid region by each sampled point; Extract one by one grid region as current grid region, utilize MR corresponding to all sampled points in current grid region, determine whether current grid region is the weak grid that covers.
Here, described grid region is to preserve in Network Management Equipment, the latitude and longitude coordinates information in the region of dividing according to actual conditions, and grid region size can be 100*100M;
Describedly utilize the current all MR that obtain to determine that the position coordinates that each sampled point is corresponding comprises: LAC, the CI and the level value that obtain Serving cell according to MR, and the LAC of neighbor cell, CI and level value, utilize location algorithm to calculate the latitude and longitude information of MR region, determine MR place grid region according to described latitude and longitude information.Wherein, described location algorithm is prior art, can be triangle location algorithm; Described LAC and the CI that obtains Serving cell is prior art, do not repeat here;
Describedly utilize MR corresponding to all sampled points in current grid region, determine that whether current grid region is that the weak grid that covers comprises: determine that according to the MR that in current grid region, all sampled points are corresponding efficiently sampling in current grid region counts, according in MR corresponding to each sampled point lower than the quantity of the MR of weak covering level threshold value as weak covering sampling number, calculate the ratio that described weak covering sampling number and efficiently sampling are counted, judge whether this ratio is less than the weak grid region threshold value that covers, if lower than, judge that described current grid region is as weak covering grid region.
Wherein, the described weak level threshold value that covers can be-90dBm; Described effective sampling points is: in MR, effectively (Valid) is denoted as effectively, TA is for sky and have the sampled point of row index condition under MR; Described weak covering grid region threshold value can be 30%.
Step 102: select and cover empty grid from described weak covering grid, determine the position that covers empty grid.
Concrete, select one by one the weak grid that covers, from the weak covering grid of selecting, obtain successively LAC and CI and the level value of all coverage cell of each effective sampling points, until get the level value of whole coverage cell that effective sampling points all in the weak covering grid of selecting is corresponding; According to the level value of described whole coverage cell, judge that whether the weak covering grid of selecting is as covering empty grid, definite position that covers empty grid.
Here, described coverage cell is Serving cell or the neighbor cell that covers effective sampling points;
The LAC of the described all coverage cell that obtain each effective sampling points and CI and level value comprise: the MR corresponding according to effective sampling points, determines the LAC of Serving cell and neighbor cell, CI and level value according to the BCCH in MR and BSIC; Wherein, describedly determine that according to the BCCH in MR and BSIC LAC, the CI of Serving cell and neighbor cell and level value are prior art, do not repeat here.
Described according to the level value of described whole coverage cell, judge whether the weak covering grid of selecting comprises as covering empty grid: extract corresponding CI and the level value in all coverage cell corresponding to weak covering grid of selecting, add up whole level value quantity of each coverage cell, select the quantity of the weak level value of each coverage cell, calculate the quantity of weak level value of each coverage cell and the ratio of whole level value quantity as coverage cell ratio, in the weak covering grid that judgement is selected, whether all coverage cell ratio is all less than weak coverage cell level threshold value, if, determine that the weak covering grid of selecting is for covering empty grid.Wherein, described weak coverage cell level threshold value is the value preset according to actual conditions, can be 50%.
The positional information of the position of the empty grid of described definite covering each grid region that to be Network Management Equipment preserve according to self is determined the latitude and longitude information that covers empty grid.
After above-mentioned steps 102 completes, can carry out follow-up adjustment according to prior art, such as, can count by the MR efficiently sampling that calculates the each Serving cell occurring in each grid region, judge the reasonable coverage cell of grid, provide support for covering empty optimization.The described Serving cell CI that is calculated as all effective sampling points in statistics grid region, then the efficiently sampling that calculates each CI count with grid in ratio that all efficiently samplings are counted, can count the coating ratio of each community in grid, thereby obtain most possibly becoming the community of the main covering of this grid.
As shown in Figure 2, the invention provides a kind of location and cover empty device, this device comprises: locating module 21 and determination module 22; Wherein,
Locating module 21, for select the weak grid that covers according to the MR of all sampled points, sends to determination module 22 by the described weak grid information that covers;
Determination module 22, selects the empty grid of covering for the described weak grid that covers of sending from locating module 21, determines the position that covers empty grid.
Described locating module 21, specifically for utilizing the current all MR that obtain to determine the position coordinates that each sampled point is corresponding, the position coordinates corresponding according to each sampled point, is divided to corresponding grid region by each sampled point; Extract one by one grid region as current grid region, utilize MR corresponding to all sampled points in current grid region, determine whether current grid region is the weak grid that covers.
Described locating module 21, the latitude and longitude coordinates information in the region of dividing according to actual conditions specifically for preservation is as grid region information, and grid region size can be 100*100M;
Described locating module 21, specifically for obtain LAC, CI and the level value of Serving cell according to MR, and the LAC of neighbor cell, CI and level value, utilize location algorithm to calculate the latitude and longitude information of MR region, determine MR place grid region according to described latitude and longitude information.Wherein, described location algorithm is prior art, can be triangle location algorithm; Described LAC and the CI that obtains Serving cell is prior art, do not repeat here.
Described locating module 21, count specifically for determine the efficiently sampling in current grid region according to the MR that in current grid region, all sampled points are corresponding, according in MR corresponding to each sampled point lower than the quantity of the MR of weak covering level threshold value as weak covering sampling number, calculate the ratio that described weak covering sampling number and efficiently sampling are counted, judge whether this ratio is less than the weak grid region threshold value that covers, if lower than, judge that described current grid region is as weak covering grid region.Wherein, the described weak level threshold value that covers can be-90dBm; Described effective sampling points is: in MR, effectively (Valid) is denoted as effectively, TA is for sky and have the sampled point of row index condition under MR; Described weak covering grid region threshold value can be 30%.
Described determination module 22, specifically for selecting one by one the weak grid that covers, from the weak covering grid of selecting, obtain successively LAC and CI and the level value of all coverage cell of each effective sampling points, until get the level value of whole coverage cell that effective sampling points all in the weak covering grid of selecting is corresponding; According to the level value of described whole coverage cell, judge that whether the weak covering grid of selecting is as covering empty grid, definite position that covers empty grid.
Described determination module 22, specifically for the MR corresponding according to effective sampling points, determines the LAC of Serving cell and neighbor cell, CI and level value according to the BCCH in MR and BSIC; Wherein, describedly determine that according to the BCCH in MR and BSIC LAC, the CI of Serving cell and neighbor cell and level value are prior art, do not repeat here.
Described determination module 22, specifically for extracting corresponding CI and the level value in all coverage cell corresponding to weak covering grid of selecting, add up whole level value quantity of each coverage cell, select the quantity of the weak level value of each coverage cell, calculate the quantity of weak level value of each coverage cell and the ratio of whole level value quantity as coverage cell ratio, in the weak covering grid that judgement is selected, whether all coverage cell ratio is all less than weak coverage cell level threshold value, if so, determine that the weak covering grid of selecting is for covering empty grid.Wherein, described weak coverage cell level threshold value is the value preset according to actual conditions, can be 50%.
Described determination module 22, specifically for determining the latitude and longitude information that covers empty grid according to the positional information of each grid region of preserving in locating module 21; Accordingly, described locating module 21, is also used to determination module 22 that the positional information of each grid region is provided.
Described determination module 22, also counts for the MR efficiently sampling by calculating the each Serving cell occurring in each grid region, judges the reasonable coverage cell of grid, provides support for covering empty optimization.
Described determination module 22, specifically for the Serving cell CI of all effective sampling points in statistics grid region, then the efficiently sampling that calculates each CI count with grid in ratio that all efficiently samplings are counted, can count the coating ratio of each community in grid, thereby obtain most possibly becoming the community of the main covering of this grid.
Said apparatus can be used as logic module be installed on any one for analyzing the equipment of data.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.
Claims (10)
1. locate and cover an empty method, it is characterized in that, the method comprises:
Select the weak grid that covers according to the measurement report MR of all sampled points;
Select and cover empty grid from described weak covering grid, determine the position that covers empty grid.
2. method according to claim 1, it is characterized in that, the described MR according to all sampled points selects the weak grid that covers, comprise: utilize the current all MR that obtain to determine the position coordinates that each sampled point is corresponding, the position coordinates corresponding according to each sampled point, is divided to corresponding grid region by each sampled point; Extract one by one grid region as current grid region, utilize MR corresponding to all sampled points in current grid region, determine whether current grid region is the weak grid that covers.
3. method according to claim 2, it is characterized in that, describedly utilize MR corresponding to all sampled points in current grid region, determine whether current grid region is the weak grid that covers, comprise: determine that according to the MR that in current grid region, all sampled points are corresponding efficiently sampling in current grid region counts, according in MR corresponding to each sampled point lower than the quantity of the MR of weak covering level threshold value as weak covering sampling number, calculate the ratio that described weak covering sampling number and efficiently sampling are counted, judge whether this ratio is less than the weak grid region threshold value that covers, if lower than, judge that described current grid region is as weak covering grid region.
4. method according to claim 1, it is characterized in that, described covering a little less than described grid selected and covered empty grid, determine the position that covers empty grid, comprise: select one by one the weak grid that covers, from the weak covering grid of selecting, obtain successively Location Area Code LACHe community coding CI and the level value of all coverage cell of each effective sampling points, until get the level value of whole coverage cell that effective sampling points all in the weak covering grid of selecting is corresponding; According to the level value of described whole coverage cell, judge that whether the weak covering grid of selecting is as covering empty grid, definite position that covers empty grid.
5. method according to claim 4, it is characterized in that, described according to the level value of described whole coverage cell, judge whether the weak covering grid of selecting comprises as covering empty grid: extract corresponding CI and the level value in all coverage cell corresponding to weak covering grid of selecting, add up whole level value quantity of each coverage cell, select the quantity of the weak level value of each coverage cell, calculate the quantity of weak level value of each coverage cell and the ratio of whole level value quantity as coverage cell ratio, in the weak covering grid that judgement is selected, whether all coverage cell ratio is all less than weak coverage cell level threshold value, if, determine that the weak covering grid of selecting is for covering empty grid.
6. locate and cover an empty device, it is characterized in that, this device comprises: locating module and determination module; Wherein,
Locating module, for select the weak grid that covers according to the MR of all sampled points, sends to determination module by the described weak grid information that covers;
Determination module, selects the empty grid of covering for the described weak grid that covers of sending from locating module, determines the position that covers empty grid.
7. device according to claim 6, it is characterized in that, described locating module, specifically for utilizing the current all MR that obtain to determine the position coordinates that each sampled point is corresponding, the position coordinates corresponding according to each sampled point, is divided to corresponding grid region by each sampled point; Extract one by one grid region as current grid region, utilize MR corresponding to all sampled points in current grid region, determine whether current grid region is the weak grid that covers.
8. device according to claim 7, it is characterized in that, described locating module, count specifically for determine the efficiently sampling in current grid region according to the MR that in current grid region, all sampled points are corresponding, according in MR corresponding to each sampled point lower than the quantity of the MR of weak covering level threshold value as weak covering sampling number, calculate the ratio that described weak covering sampling number and efficiently sampling are counted, judge whether this ratio is less than the weak grid region threshold value that covers, if lower than, judge that described current grid region is as weak covering grid region.
9. device according to claim 6, it is characterized in that, described determination module, specifically for selecting one by one the weak grid that covers, from the weak covering grid of selecting, obtain successively LAC and CI and the level value of all coverage cell of each effective sampling points, until get the level value of whole coverage cell that effective sampling points all in the weak covering grid of selecting is corresponding; According to the level value of described whole coverage cell, judge that whether the weak covering grid of selecting is as covering empty grid, definite position that covers empty grid.
10. device according to claim 9, it is characterized in that, described determination module, specifically for extracting corresponding CI and the level value in all coverage cell corresponding to weak covering grid of selecting, add up whole level value quantity of each coverage cell, select the quantity of the weak level value of each coverage cell, calculate the quantity of weak level value of each coverage cell and the ratio of whole level value quantity as coverage cell ratio, in the weak covering grid that judgement is selected, whether all coverage cell ratio is all less than weak coverage cell level threshold value, if, determine that the weak covering grid of selecting is for covering empty grid.
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