CN109982246A - A kind of method of adjustment, device and the medium of cellular cell power - Google Patents
A kind of method of adjustment, device and the medium of cellular cell power Download PDFInfo
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- CN109982246A CN109982246A CN201711447183.1A CN201711447183A CN109982246A CN 109982246 A CN109982246 A CN 109982246A CN 201711447183 A CN201711447183 A CN 201711447183A CN 109982246 A CN109982246 A CN 109982246A
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
Abstract
The embodiment of the invention provides the method for adjustment of cellular cell power, device and medium, to solve the problems, such as that the existing time for carrying out power adjustment to each cell by the way of traversal is longer.Method comprises determining that the cell to be adjusted of antenna power to be adjusted；The antenna coverage areas of each cell to be adjusted is determined according to electronic map；Cell to be adjusted is divided into N number of group, wherein the antenna coverage areas of each group of cell to be adjusted for including is not overlapped in N number of group, each group of adjustment sequence for being corresponding with antenna power respectively in described N number of group, N is positive integer；It is adjusted according to the antenna power that the adjustment sequence is directed to multiple cells to be adjusted that each group includes, and is adjusted parallel for the antenna power of the same group of multiple cells to be adjusted for including.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of method of adjustment, device and the media of cellular cell power.
Background technique
It, can be for all small in the region at present for when uniformly adjust of all cell powers in a region
The power in area carries out adjustment in batches, to improve the signal covering of antenna in cell.
When being adjusted due to the power to some cell, the signal covering of other cells may be influenced, therefore existing
When each cell to be adjusted is adjusted in some region by the way of traversal, the mode of this traversal is only applicable to thousand
The power adjustment of the cell of series magnitude.
There may be tens of thousands of or hundreds of thousands of cells equal since cellular cell is in large scale in network, in target area to be adjusted
It needs to carry out power adjustment calculating.Therefore, longer to the time of each cell progress power adjustment by the way of traversal, several
It may be all unable to complete adjustment in it, to influence the signal covering of antenna in cell.
Summary of the invention
The embodiment of the invention provides the method for adjustment of cellular cell power, device and media, to solve existing use
The mode of traversal carries out the time longer problem of power adjustment to each cell.
In a first aspect, the embodiment of the invention provides a kind of methods of adjustment of cellular cell power, comprising:
Determine the cell to be adjusted of antenna power to be adjusted；
The antenna coverage areas of each cell to be adjusted is determined according to electronic map；
Cell to be adjusted is divided into N number of group, wherein in N number of group each group of cell to be adjusted for including antenna coverage
Domain is not overlapped, and each group of adjustment sequence for being corresponding with antenna power respectively in described N number of group, N is positive integer；
It is adjusted according to the antenna power that the adjustment sequence is directed to multiple cells to be adjusted that each group includes, and needle
The antenna power for the multiple cells to be adjusted for including to same group is adjusted parallel.
Optionally, the cell to be adjusted be antenna power to be adjusted target area in include cell, or be institute
State the cell for including in the region after target area expands the first preset range.
Optionally, the antenna power for the multiple cells to be adjusted for including for each group is adjusted, comprising:
It is adjusted in the following way for the antenna power of first community, wherein the first community is the multiple
Any cell in cell to be adjusted:
It is adjusted based on antenna power of the antenna power adjusting range to the first community, and includes to protection zone
The performance parameters of all cells assessed；
No longer become excellent direction change to characterization antenna covering performance in the performance parameter value of the first community, and assesses
The performance parameter value for any cell that protection zone includes compare for the first community carry out antenna power adjustment before, it is described
The direction change that the performance parameter value of any cell is not deteriorated to antenna covering performance, then stop the day for adjusting the first community
Linear heat generation rate；
Wherein, the protection zone is to remove the target in the region after the target area expands the second preset range
Region behind region, second preset range are greater than first preset range.
Optionally, the performance parameter includes at least one of following: weak covering grid accounts in the antenna coverage areas of cell
All grids that the ratio of grid quantity that the antenna coverage areas of the cell includes, the antenna coverage areas of cell include it is flat
Cell boundary raster accounts for the grid that the antenna coverage areas of the cell includes in counterpoise superimposition cover degree, the antenna coverage areas of cell
Ratio.
Optionally, the adjustment sequence is that the measurement report quantity based on quantity largest cell in N number of group is ranked up
It arrives, wherein quantity largest cell is to receive the most cell of measurement report quantity within a preset period of time.
Second aspect, the embodiment of the invention provides a kind of adjustment devices of cellular cell power, comprising:
First determination unit, for determining the cell to be adjusted of antenna power to be adjusted；
Second determination unit, for determining the antenna coverage areas of each cell to be adjusted according to electronic map；
Grouped element, for cell to be adjusted to be divided into N number of group, wherein in N number of group each group include it is to be adjusted small
The antenna coverage areas in area is not overlapped, and each group of adjustment sequence for being corresponding with antenna power respectively in described N number of group, N is positive whole
Number；
Adjustment unit, for being directed to the antenna power for multiple cells to be adjusted that each group includes according to the adjustment sequence
It is adjusted, and is adjusted parallel for the antenna power of the same group of multiple cells to be adjusted for including.
Optionally, the cell to be adjusted be antenna power to be adjusted target area in include cell, or be institute
State the cell for including in the region after target area expands the first preset range.
Optionally, the adjustment unit, is specifically used for:
It is adjusted in the following way for the antenna power of first community, wherein the first community is the multiple
Any cell in cell to be adjusted:
It is adjusted based on antenna power of the antenna power adjusting range to the first community, and includes to protection zone
The performance parameters of all cells assessed；
No longer become excellent direction change to characterization antenna covering performance in the performance parameter value of the first community, and assesses
The performance parameter value for any cell that protection zone includes compare for the first community carry out antenna power adjustment before, it is described
The direction change that the performance parameter value of any cell is deteriorated to antenna covering performance then stops the antenna for adjusting the first community
Power；
Wherein, the protection zone is to remove the target in the region after the target area expands the second preset range
Region behind region, second preset range are greater than first preset range.
Optionally, the performance parameter includes at least one of following: weak covering grid accounts in the antenna coverage areas of cell
All grids that the ratio of grid quantity that the antenna coverage areas of the cell includes, the antenna coverage areas of cell include it is flat
Cell boundary raster accounts for the grid that the antenna coverage areas of the cell includes in counterpoise superimposition cover degree, the antenna coverage areas of cell
Ratio.
Optionally, the adjustment sequence is that the measurement report quantity based on quantity largest cell in N number of group is ranked up
It arrives, wherein quantity largest cell is to receive the most cell of measurement report quantity within a preset period of time.
The third aspect provides a kind of computing device, including at least one processor and at least one processor, wherein
The memory is stored with computer program, when described program is executed by the processor, so that the processor executes
State step described in either method.
Fourth aspect provides a kind of computer-readable medium, is stored with the computer program that can be executed by computing device,
When described program is run on the computing device, so that the computing device executes step described in any of the above-described method.
The embodiment of the present invention is adjusted by the power parallel of each cell to same group, so as to realize big model
The automated power optimization for enclosing cellular mass cell, quickly exports calculated result for ten thousand grades or more quantity cellular cells.Simultaneously
Other large-scale plan optimization schemes are also applied for the group technology of cellular cell to calculate.
Detailed description of the invention
Fig. 1 is three-dimensional space rasterizing schematic diagram provided in an embodiment of the present invention；
Fig. 2 is the flow diagram of the method for adjustment of cellular cell power provided in an embodiment of the present invention；
Fig. 3 is cell schematic diagram to be adjusted provided in an embodiment of the present invention；
Fig. 4 is the antenna coverage areas schematic diagram of cell to be adjusted provided in an embodiment of the present invention；
Fig. 5 is that cell to be adjusted provided in an embodiment of the present invention is grouped flow diagram；
Fig. 6 is that cell to be adjusted provided in an embodiment of the present invention is grouped schematic diagram；
Fig. 7 is the adjustment schematic diagram of cellular cell power provided in an embodiment of the present invention；
Fig. 8 is that certain target area provided in an embodiment of the present invention carries out cell power result schematic diagram adjusted；
Fig. 9 is cell portion power adjustment aft antenna covering performance result of variations provided in an embodiment of the present invention；
Figure 10 is the adjustment apparatus structure schematic diagram of cellular cell power provided in an embodiment of the present invention；
Figure 11 is the structural schematic diagram of computing device provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that the described embodiments are only some of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
The embodiment of the present invention can be applied to the mobile communication fields such as 2G, 3G, 4G, 5G.
Terminal in the embodiment of the present invention can be referred to as user equipment (User Equipment, referred to as UE), mobile station
(Mobile Station, referred to as MS), mobile terminal (Mobile Terminal), MTC (Machine Type
Communication, mechanical communication) terminal etc..
The embodiment of the invention provides the method for adjustment of cellular cell power, device and media, to solve existing use
The mode of traversal carries out the time longer problem of power adjustment to each cell.This method can be applied to base station, server
Or other network equipments, the present invention are without limitation.
Before executing the process of adjustment side of cellular cell power provided in an embodiment of the present invention, need to electronic map
In three-dimensional spatial area carry out rasterizing, such as can be by Spacial domain decomposition at the grid of a*a*a, division direction and coordinate
Axis is parallel, and the size of a can according to demand and the precision of initial three-dimensional map determines, can be 1 meter (m), 5m, 20m etc..If
The central point of grid is in the polyhedron where building, then it is assumed that grid is building grid, otherwise it is assumed that being non-building
Grid.
In embodiments of the present invention, rasterizing preferably is carried out to three-dimensional spatial area, it is hereby achieved where terminal
Region three-dimensional position distribution situation, but can also only to two-dimensional surface carry out rasterizing, the present invention it is without limitation.
By taking a high 35m, every layer of area is the buildings of 200m*200m as an example, if a=5m, which is pressed
It is divided into 7 layers according to 5 meters one layer, each layer is divided into the planar grid of 1600 5m*5m, then the building is divided into 11200
The grid of a 5m*5m*5m, as shown in Figure 1.
, can be by simulation calculation or field survey to each grid, one or more antennas are in the grid in acquisition grid
Field strength in lattice.The MR number of each grid can be obtained based on measurement report (measure report, MR) data position algorithm
According to positioning result, specific positioning method may refer to the prior art, and details are not described herein again.Wherein, the MR number that each terminal reports
According to contain the serving cell cell of access (terminal), measure the field strength of serving cell, the frequency point of adjacent area, adjacent area physics
Cell ID (Physical Cell Identifier, PCI), the field strength of the adjacent area measured, the cell signal that measures arrive
Up to information such as angles.
It should be pointed out that in embodiments of the present invention, an antenna refers to the transmitting antenna of the same base station cell, i.e.,
One antenna can be interpreted as a base station cell.
Include following information in MR data positioning result: the host cell of each grid, each grid host cell
Field strength etc..In a grid, the corresponding cell of the maximum antenna of field strength, the referred to as host cell of the grid.
The weak covering grid being related in the embodiment of the present invention refers to that the field strength of host cell is less than default field strength thresholding
Grid.The overlapping coverage of grid refers in the cell that grid includes, with the field strength of host cell gap be less than or wait
In the number of cells in preset threshold.Cell edge grid refers to, if some grid and the master control of at least one adjacent cells are small
Area is different, is cell edge grid in the grid.
In addition, it is necessary to illustrate, " multiple " in the description of the present application refer to " two or more ".In this Shen
In description please, the vocabulary such as " first ", " second " are only used for distinguishing the purpose of description, are not understood to indicate or imply phase
To importance, indication or suggestion sequence can not be interpreted as.
The method of adjustment of cellular cell power provided in an embodiment of the present invention can by base station, server, network management or
The network side equipments such as person's network optimization equipment execute, and the present invention is without limitation.
It referring to fig. 2, is the flow diagram of the method for adjustment of cellular cell power provided in an embodiment of the present invention, this method
Include the following steps:
S201 determines the cell to be adjusted of antenna power to be adjusted.
Optionally, the cell to be adjusted be antenna power to be adjusted target area in include cell, or be institute
State the cell for including in the region after target area expands the first preset range.
S202 determines the antenna coverage areas of each cell to be adjusted according to electronic map.
Cell to be adjusted is divided into N number of group by S203, wherein in N number of group each group of cell to be adjusted for including antenna
Overlay area is not overlapped, and is corresponding with the adjustment of antenna power respectively sequentially for each group in described N number of group.N is positive integer.
S204 is adjusted according to the antenna power that the adjustment sequence is directed to multiple cells to be adjusted that each group includes
It is whole, and be adjusted parallel for the antenna power of the same group of multiple cells to be adjusted for including.
It describes in detail below for the method for adjustment of cellular cell power.
(1) determine that the mode of the cell to be adjusted of antenna power to be adjusted describes in detail for step S201:
The target area of antenna power to be adjusted is selected first, and optimization aim region can be a rectangle, be also possible to
Arbitrary polygon can pass through GIS-Geographic Information System (Geographic Information System or Geo- by user
Information system, GIS) interface confines or selected by input longitude and latitude and range.Then according to target area
Domain determines cell to be adjusted.
For example, shown in Fig. 3: central area A indicates target area.It can will be in the target area in the embodiment of the present invention
The cell of all adjustable (allowing to adjust) is as cell to be adjusted.
After central area A expands the first preset range outward (such as 500 meters), the region B in Fig. 3 is obtained.The present invention is real
Applying can also be using all adjustable cell in central area A and region B as cell to be adjusted in example.
If each arrow (dot) indicates each cell in Fig. 3, the cell that all filled arrows can be indicated as to
Adjust cell, can also the cell that indicates of all filled arrows and dot as cell to be adjusted.
It preferably, in the case where target area is bigger (such as 40 kilometers * 40 kilometers), then can will be in target area
All cells of (central area A) are as cell to be adjusted.
After the full scope that cell to be adjusted influences again can also be removed target area in the embodiment of the present invention
Region is as protection zone.It protection zone can be for described in removing in the region after the second preset range of target area expansion
Region behind target area, second preset range are greater than first preset range.Such as region B shown in Figure 3
With region C as protection zone.When the subsequent antenna power for cell to be adjusted is adjusted, need to guarantee protection zone
In signal covering in two regions be not deteriorated.
(2) determine that the mode of antenna coverage areas of each cell to be adjusted carries out according to electronic map for step S202
It introduces.
The influence area of the antenna coverage areas namely cell of each cell to be adjusted.Such as the cell institute to be adjusted
In grid all directions, all directions respectively expand the rectangle that 600 grids are surrounded, that is, with the target area of initial selected and
The intersection for the whole region that protection zone merges.The determination side for the grid that the grid and protection zone that target area includes include
Formula is still to determine according to region division mode initial described in (1), not with the zone of influence of some cell to be adjusted
Subject to domain, even if the influence area of cell to be adjusted has exceeded target area.Than as shown in figure 4, region A is target area, area
Domain D indicates protection zone, and in the influence area of cell a to be adjusted, all grids are included in grid included by target area
In, and in the influence area of cell b to be adjusted, including the existing target area of all grids grid that includes, also have protection zone
The grid that domain includes.
(3) cell to be adjusted N number of group is divided into for step S203 to be described in detail.
When being grouped for cell to be adjusted, need to guarantee the antenna coverage for the cell to be adjusted that each group includes
Domain (i.e. influence area) is not overlapped, that is, cannot have public grid.It is corresponding with antenna power respectively for each group in described N number of group
Adjustment sequence.
It is alternatively possible to which cell to be adjusted is divided into N number of group according to the MR quantity that each cell to be adjusted receives.Adjustment
Sequence be that the measurement report quantity based on quantity largest cell in N number of group is ranked up to obtain, wherein quantity largest cell be
The most cell of measurement report quantity is received in preset time period.
For example all cells to be adjusted determined according to target area are constituted into cell candidates set, and it is shown in Figure 5, it will
Cell candidates set is divided into N number of group of mode, includes the following:
S501 draws the i-th cell in cell candidates set to i-th group, the i-th cell is MR quantity in cell candidates set
Largest cell executes S502.
S502, by the small zoning of dereferenced in cell candidates set to i-th group, wherein dereferenced cell is antenna coverage areas
With the nonoverlapping cell of antenna coverage areas of i-th cell (MR quantity largest cell), S503 is executed；
S503 deletes the i-th cell in cell candidates set and the dereferenced cell, executes S504.
S504 determines whether cell candidates set is sky, executes S505 if not empty, if it is empty, executes S506.
S505 executes i=i+1, executes S501.
S506, grouping terminate.
It include 4 cells to be adjusted, respectively a, b, c and d in cell candidates set for example, shown in Figure 6, in Fig. 6
Expression in bracket be each cell to be adjusted MR quantity, box indicates the antenna coverage areas of cell to be adjusted.
In the first round, the MR number of cell a to be adjusted is most, cell a to be adjusted is drawn to first group, then cell to be adjusted
The antenna coverage areas of b and cell c to be adjusted all have intersection with the antenna coverage areas of cell a to be adjusted, cell d's to be adjusted
Cell d is also divided into first group without intersection by antenna coverage areas and the antenna coverage areas of cell a to be adjusted.To be adjusted small
Area a and cell d to be adjusted are deleted from cell candidates set.
In second wheel, the cell b to be adjusted that MR number is most in cell candidates set is selected to draw to second group, and it is to be adjusted small
The antenna coverage areas of area c and the antenna coverage areas of cell b have intersection.Cell b is deleted from cell candidates set.
In third round, the cell c to be adjusted in cell candidates set is selected to be put into third group, cell c to be adjusted from small
It is deleted in area's candidate collection.
After three-wheel, cell candidates collection is combined into sky, and grouping terminates, final group result are as follows: first group: cell a, cell
d；Second group: cell b；Third group: cell c.
(4) the antenna function for multiple cells to be adjusted that each group includes is directed to according to the adjustment sequence below for S204
Rate is adjusted, and is adjusted parallel for the antenna power of the same group of multiple cells to be adjusted for including, and is retouched in detail
It states.
It, can be in the following way when the antenna power for each group of multiple cells to be adjusted for including is adjusted
It realizes:
A1 is adjusted in the following way for the antenna power of first community, wherein the first community is described
Any cell in multiple cells to be adjusted.
A2 is adjusted based on antenna power of the antenna power adjusting range to the first community, and to protection zone
Including the performance parameters of all cells assessed.
A3 no longer becomes excellent direction change to characterization antenna covering performance in the performance parameter value of the first community, and
The performance parameter value of assessment protection zone any cell for including is compared carry out antenna power adjustment for the first community before,
The direction change that the performance parameter value of any cell is deteriorated to antenna covering performance then stops adjusting the first community
Antenna power.
Wherein, the protection zone is to remove the target in the region after the target area expands the second preset range
Region behind region, second preset range are greater than first preset range.
If performance parameter value increases characterization, antenna covering performance improves, and the performance parameter value of the first community is no longer
Become excellent direction change to characterization antenna covering performance, refers to that performance parameter value is not further added by；What assessment protection zone included appoints
The performance parameter value of one cell is compared carry out antenna power adjustment for the first community before, the performance of any cell ginseng
The direction change that numerical value is deteriorated to antenna covering performance refers to the performance parameter value phase for any cell that assessment protection zone includes
Than before carrying out antenna power adjustment for the first community, the performance parameter value of any cell do not reduce.If performance is joined
Numerical value reduces characterization antenna covering performance and improves, then the performance parameter value of the first community is no longer to characterization antenna covering performance
Become excellent direction change, refers to that performance parameter value no longer reduces；The performance parameter value for any cell that assessment protection zone includes
Compared to before carrying out antenna power adjustment for the first community, the performance parameter value of any cell is to antenna covering performance
The direction change of variation refers to that the performance parameter value for any cell that assessment protection zone includes is compared for the first community
Before carrying out antenna power adjustment, the performance parameter value of any cell do not increase.
Wherein, the performance parameter may include at least one of following: weak covering grid in the antenna coverage areas of cell
Account for all grids that the ratio of grid quantity, the antenna coverage areas of cell that the antenna coverage areas of the cell includes include
Averagely it is overlapped that coverage, cell boundary raster accounts for the grid that the antenna coverage areas of the cell includes in the antenna coverage areas of cell
The ratio of lattice.The embodiment of the present invention does not limit above-mentioned 3 kinds of parameters.For example performance parameter can also include the weak covering of telephone traffic
Rate, region mould three interfere the outer interference of mould three ratio of MR ratio, uplink power margin less than 0 of MR ratio, grid room etc..
Wherein, the weak coverage rate of telephone traffic refers to weak covering MR quantity and total MR quantity in the antenna coverage areas of cell
Ratio, weak covering MR refer to that master control field strength is less than the MR of given thresholding；
Region mould three interferes MR ratio to refer to the MR quantity interfered in the antenna coverage areas of cell there are mould three and total MR
The ratio of quantity；
Mould three interferes MR ratio to refer in the antenna coverage areas of cell and is located in the MR of outdoor grid outside grid room,
The ratio of the MR quantity quantity and total MR quantity interfered there are mould three.
Optionally, it is adjusted based on antenna power of the antenna power adjusting range to the first community, and to guarantor
When the performance parameter for all cells that shield region includes is assessed, function problem can be converted by adjustment problem.Then performance
Parameter can be indicated by following optimization object function.
Wherein, f1(x) indicate that weak covering grid accounts for the cell in the antenna coverage areas of cell
The ratio for the grid quantity that antenna coverage areas includes.
Wherein, f2(x) the average weight for all grids that the antenna coverage areas of cell includes
Superimposition cover degree.
Wherein f3(x) cell boundary raster accounts for the day of the cell in the antenna coverage areas of cell
The ratio for the grid that line overlay area includes.
In addition, x=(p1,…,pN) indicate decision variable, that is, the power for the cell to be adjusted being adjusted.piFor through toning
The power of whole cell i to be adjusted.
M is the grid sum of the antenna coverage areas of cell.
Mweak(x) are as follows: in the case where the value of decision variable is x, the weak of the antenna coverage areas of cell to be adjusted is covered
Lid grid number；
Are as follows: in the case where the value of decision variable is x, in the antenna coverage areas of cell to be adjusted, grid k
Overlapping coverage；
Mbound(x) are as follows: in the case where the value of decision variable is x, the cell of the antenna coverage areas of cell to be adjusted
Boundary raster number can indicate the continuity of antenna in cell covering, and it is related to carry out the number of cell switching to terminal.
Optionally, the performance parameter value that any cell that protection zone includes is assessed in the embodiment of the present invention is compared for institute
State first community carry out antenna power adjustment before, the performance parameter value of any cell do not reduce, constraint item can be converted to
Part, then constraint condition can indicate are as follows:
fk′(x)≤fk′(x0) k=1,2 ..., K；The constraint condition indicates that after adjustment, all objective functions are in protection zone
The statistics calculated result in domain is not deteriorated, and K indicates the number of cells that protection zone includes.
The power of cell to be adjusted before being adjusted.For the cell i to be adjusted before adjustment
Power.
X ∈ X, X indicate the value range of the feasible solution of decision variable, i.e. antenna power adjusting range, and different is to be adjusted
The antenna power adjusting range of cell can be different.Such as in the specific adjustment, the adjustment minimum interval of power can be
0.1dB。
When the antenna power for the multiple cells to be adjusted for including for each group is adjusted, it can be converted into based on above-mentioned
Function determines the Optimization Solution algorithm of Optimized model
Determine that Optimized model can be accomplished in that based on above-mentioned function
It is possible, firstly, to convert single-objective problem for multi-objective problem:
Concrete mode is to be weighted summation to all objective functions, obtains objective functionWherein
Weight wiSelection be according to practical adjustment demand determine.For 3 optimization object functions being previously mentioned: if the mesh of optimization
Mark is can then to enable w based on reduction overlapping coverage1=0.1, w2=1, w3=0.1；If the target of optimization is to consider simultaneously
It reduces weak coverage rate and reduces overlapping coverage, do not consider to cover continuity, then can enable w1=1, w2=1, w3=0.
Secondly, unconstrained problem can be converted by belt restraining problem:
For constraint condition fk′(x)≤fk′(x0) k=1,2 ..., K, the constraint condition can be put into penalty function method
In objective function, obtain:
Wherein, P is penalty factor, and reality can take a biggish number when calculating.
Since weak coverage rate and boundary raster ratio are smaller than 1 number, and averagely it is overlapped coverage and is typically less than 10
Number, other than above three optimization object function, other possible optimization object functions can be by divided by certain number
Give corresponding diminution.The weight selected when to weighted sum, can provide lesser value, for example, in 10 or 1 hereinafter,
The value of P can then make penalty function play a role relatively larger than weighted value, such as selection 104 or 105 in this way.The present invention is real
It applies the value size of a weight and penalty factor only as an example, can according to need determination in practice, herein not to this
It is specifically limited.
Below for above-mentioned three optimization object functions, w is taken1=w2=w3=1, P=105, then:
Optimized model, which determines, through the above way completes.So as to by above-mentioned Optimized model for every group include to
The power of adjustment cell is adjusted.Such as can since first group (can of course since other groups, the present invention to this not
Limit), the power for the cell to be adjusted for including to every group is adjusted, due to cell to be adjusted two-by-two any in same group
There is no intersection between influence area, so can be adjusted parallel for all cells to be adjusted in same group, each to
The solution flow algorithm for adjusting cell is consistent, and shown in Figure 7, detailed process may include as follows:
S701, calculating target function initial value.
Objective function F (x), in decision variable x=x0When value, i.e., before adjustment, the antenna of all cells to be adjusted
When transmission power takes current value, the value of function F (x).Particularly, before first group of cell adjustment, this value takes all to be adjusted
The transmission power level of the existing net of cell.
With 3 adjustment cells, for totally 3 performance numbers.Before adjustment, the transmission power of cell 1, cell 2 and cell 3
Initial value is respectively p1=12.2, p2=15.2, p3=9.2.
If the optimization object function of selection is above-mentioned three optimization object functions, WithAnd w1=w2=w3=1, P=105.
Such as when the antenna power for cell 1 is adjusted, initial power p1=12.2.For the shadow of cell 1
Ring region, when initial, f1(x)=0.2, f2(x)=6.5, f3(x)=0.35.Meanwhile for initial value, f1 ′(x)-f1′(x0)、
f2′(x)-f2′(x0) and f3′(x)-f3′(x0) it is equal to 0.Therefore, the initial value F (x of function F (x)0)=F (12.2,15.2,
9.2)=0.2+6.5+0.35=7.05.
S702 determines the two-way adjustment financial value of the power p of current cell to be adjusted.
By taking the example mentioned in step 1 as an example, when being adjusted for the antenna power of cell 1, if the most ditty of power p
Whole picture degree is 0.1dB.For p1, increase separately and reduce its minimum adjustment amplitude.But if power is increasing or is reducing most
After ditty whole picture degree, when performance number exceeds antenna power adjusting range, then without adjustment.After adjustment, new F (x) is calculated, altogether
The value of 2 F (x) is obtained, is that power increases objective function F (x) value after 0.1 and power reduction 0.1 respectively.
Such as: p1=12.2, then for p1, after increasing minimum adjustment amplitude, calculate p1=12.3, if exceeding antenna function
Rate adjusting range does not consider this adjustment direction for increasing performance number then；Otherwise, the mesh of (power increase) after the adjustment is calculated
The value of scalar functions F (x).If p1It increases separately and reduces after its minimum adjustment amplitude all in antenna power adjusting range, then need
It calculates: the value of F (12.3,15.2,9.2) and F (12.1,15.2,9.2).Such as p1Increase separately and reduce its minimum
After adjustment amplitude, the target function value being calculated is respectively 6.9 and 168.5.Wherein, it after reducing the smallest adjustment amplitude, obtains
It is since the target function value of protection zone increased, so that being obtained very big under the action of penalty factor to very big number
Number.
Due to indicating that the antenna covering performance of the cell is deteriorated when F (x) increases, hence for the receipts after power adjustment
Benefit, if the value beyond antenna power adjusting range or function F (x) after power adjustment increases, income 0；Otherwise income
Value equal to the F (x) before adjustment subtracts the value of F (x) adjusted.Then, for adjustment above as a result, the transmitting of cell 1
It is respectively 0.15 and 0 that power, which increases and reduce the financial value of 0.1db,.
S703, it is determined whether be not 0 adjustment direction including income, if so, S704 is executed, if otherwise process terminates.
S704, be not using income 0 adjustment direction as adjustment direction.
For income calculation above as a result, Income Maximum be cell 1 power increase direction.
S705 adjusts power according to adjustment direction and step-length, determines whether power adjusted exceeds antenna power tune
Whole range executes step S706 if so, process terminates if not.
S706, determines whether financial value increases compared to the preceding financial value once adjusted, if so, S705 is executed, if it is not, then flowing
Journey terminates.
For the adjustment direction that S704 is selected, according to adjustment direction, using minimum adjustment amplitude as step-length, constantly adjust, directly
To income, not after increase or adjustment, parameter exceeds antenna power adjusting range.After adjustment, the parameter of selection is updated
For the value of final adjustment, meanwhile, the augment direction of the power and it the income in direction can be reduced all be updated to 0.
With in above example, Income Maximum is p1Increase direction for, be p in table 11After increasing 0.1dB every time
The value of F (x) is initially p1Value be 12.2.
Table 1
| p1 | 12.2 | 12.3 | 12.4 | 12.5 | 12.6 | 12.7 |
| F(x) | 7.05 | 6.9 | 6.79 | 6.75 | 6.73 | 6.74 |
As it can be seen from table 1 working as p1After increasing to 12.7 by 12.6, the value of function F (x) be increased, i.e., income does not have
Increase.Therefore parameter p112.6 are settled to not continue to adjust.If p1Maximum power specified in antenna power adjusting range
Value is 12.5dBm, since 12.6dBm is outside antenna power adjusting range the maximum power of each cell (limit), then p1With regard to adjusting
It is whole just not continue to adjust to 12.5dBm.
At this point, parameter p1It is updated to final adjustment value.1 power adjustment of cell is completed.
It is adjusted through the above way for the antenna power of all cells to be adjusted.Method of adjustment recited above can
To carry out more wheels, specific wheel number can be input from the outside or the termination when none of cell is adjustable.Every wheel meter
It calculates, can be since a certain group of cell, when this group of cell calculates, the power of the cell of other groups is remained unchanged.For same group
Since arbitrarily the influence area of cell does not have intersection two-by-two, so all cells parallel can be counted according to algorithm above
It calculates.After the completion of all calculating, the prioritization scheme of cell power is provided according to adjustment result.
For example, Fig. 8 is adjusted to certain target area progress cell power as a result, figure using method provided by the invention
9 be the cell portion power adjustment aft antenna covering performance result of variations of certain target area.
The method provided through the embodiment of the present invention is adjusted by the power parallel of each cell to same group,
It is quickly defeated for ten thousand grades or more quantity cellular cells so as to realize the automated power optimization of a wide range of cellular mass cell
Calculated result out.Other large-scale plan optimization schemes are also applied for the group technology of cellular cell simultaneously to calculate.
Based on the same inventive concept, the adjustment device of cellular cell power is additionally provided in the embodiment of the present invention, referring to figure
Shown in 10, described device includes:
First determination unit 1001, for determining the cell to be adjusted of antenna power to be adjusted；
Second determination unit 1002, for determining the antenna coverage areas of each cell to be adjusted according to electronic map；
Grouped element 1003, for cell to be adjusted to be divided into N number of group, wherein in N number of group each group include wait adjust
The antenna coverage areas of whole cell is not overlapped, and each group of adjustment sequence for being corresponding with antenna power respectively, N are in described N number of group
Positive integer；
Adjustment unit 1004, for being directed to the antenna for multiple cells to be adjusted that each group includes according to the adjustment sequence
Power is adjusted, and is adjusted parallel for the antenna power of the same group of multiple cells to be adjusted for including.
Optionally, the cell to be adjusted be antenna power to be adjusted target area in include cell, or be institute
State the cell for including in the region after target area expands the first preset range.
Optionally, the adjustment unit 1004, is specifically used for:
It is adjusted in the following way for the antenna power of first community, wherein the first community is the multiple
Any cell in cell to be adjusted:
It is adjusted based on antenna power of the antenna power adjusting range to the first community, and includes to protection zone
The performance parameters of all cells assessed；
No longer become excellent direction change to characterization antenna covering performance in the performance parameter value of the first community, and assesses
The performance parameter value for any cell that protection zone includes compare for the first community carry out antenna power adjustment before, it is described
The direction change that the performance parameter value of any cell is deteriorated to antenna covering performance then stops the antenna for adjusting the first community
Power；
Wherein, the protection zone is to remove the target in the region after the target area expands the second preset range
Region behind region, second preset range are greater than first preset range.
Optionally, the performance parameter includes at least one of following: weak covering grid accounts in the antenna coverage areas of cell
All grids that the ratio of grid quantity that the antenna coverage areas of the cell includes, the antenna coverage areas of cell include it is flat
Cell boundary raster accounts for the grid that the antenna coverage areas of the cell includes in counterpoise superimposition cover degree, the antenna coverage areas of cell
Ratio.
Optionally, the adjustment sequence is that the measurement report quantity based on quantity largest cell in N number of group is ranked up
It arrives, wherein quantity largest cell is to receive the most cell of measurement report quantity within a preset period of time.
For convenience of description, above each section is divided by function describes respectively for each module (or unit).Certainly, exist
Implement to realize the function of each module (or unit) in same or multiple softwares or hardware when the present invention.
In some possible embodiments, computing device according to the present invention can include at least at least one processing
Device and at least one processor.Wherein, the memory is stored with program code, when said program code is by the processing
When device executes, so that the processor executes the bee of the illustrative embodiments various according to the present invention of this specification foregoing description
Step in the method for adjustment of nest cell power.
The computing device of this embodiment according to the present invention is described referring to Figure 11.The calculating dress that Figure 11 is shown
Set an only example, should not function to the embodiment of the present invention and use scope bring any restrictions.
As shown in figure 11, computing device is showed in the form of universal computing device.The component of computing device may include but
It is not limited to: at least one above-mentioned processor 1110, above-mentioned at least one processor 1120, connection processor 1110 and memory
1120 bus 1130 and communication interface 1140.Bus 1130 indicates one of a few class bus structures or a variety of, including deposits
Any bus structures in memory bus or Memory Controller, peripheral bus, processor or a variety of bus structures of use
Local bus.
Memory 1120 may include the readable medium of form of volatile memory, such as random access memory (RAM)
And/or cache memory 1120, it can further include read-only memory (ROM).Memory 1120 is at storage
Manage device 1110 execute program code, program code for realizing cellular cell power described in any of the above-described embodiment adjustment
Method.
Communication interface 1140 is used for receptivity parameter value.Processor 1110 is for reading and executing the storage of memory 1110
Program code, be specifically used for obtaining performance parameter value, and execute the tune of cellular cell power described in any of the above-described embodiment
Adjusting method.
In some possible embodiments, the various aspects of the method for adjustment of cellular cell power provided by the invention are also
It can be implemented as a kind of form of program product comprising program code, when described program product is run on a computing device
When, said program code is for making the computer equipment execute the various according to the present invention exemplary of this specification foregoing description
Step in the method for adjustment of the cellular cell power of embodiment.
Described program product can be using any combination of one or more readable mediums.Readable medium can be readable letter
Number medium or readable storage medium storing program for executing.Readable storage medium storing program for executing for example may be-but not limited to-electricity, magnetic, optical, electromagnetic, red
The system of outside line or semiconductor, device or device, or any above combination.The more specific example of readable storage medium storing program for executing
(non exhaustive list) includes: the electrical connection with one or more conducting wires, portable disc, hard disk, random access memory
(RAM), read-only memory (ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disc
Read memory (CD-ROM), light storage device, magnetic memory device or above-mentioned any appropriate combination.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (12)
1. a kind of method of adjustment of cellular cell power characterized by comprising
Determine the cell to be adjusted of antenna power to be adjusted；
The antenna coverage areas of each cell to be adjusted is determined according to electronic map；
Cell to be adjusted is divided into N number of group, wherein the antenna coverage areas of each group of cell to be adjusted for including is not in N number of group
Overlapping, each group of adjustment sequence for being corresponding with antenna power respectively in described N number of group, N is positive integer；
It is adjusted according to the antenna power that the adjustment sequence is directed to multiple cells to be adjusted that each group includes, and for same
The antenna power of one group of multiple cell to be adjusted for including is adjusted parallel.
2. the method as described in claim 1, which is characterized in that the cell to be adjusted is the target area of antenna power to be adjusted
The cell for including in domain, or the cell to include in the region after the first preset range of target area expansion.
3. method according to claim 2, which is characterized in that the antenna function for the multiple cells to be adjusted for including for each group
Rate is adjusted, comprising:
It is adjusted in the following way for the antenna power of first community, wherein the first community is the multiple wait adjust
Any cell in whole cell:
It is adjusted based on antenna power of the antenna power adjusting range to the first community, and to the institute that protection zone includes
There is the performance parameter of cell to be assessed；
No longer become excellent direction change to characterization antenna covering performance in the performance parameter value of the first community, and assesses protection
The performance parameter value for any cell that region includes compare for the first community carry out antenna power adjustment before, it is described any
The direction change that the performance parameter value of cell is not deteriorated to antenna covering performance, then stop the antenna function for adjusting the first community
Rate；
Wherein, the protection zone is to remove the target area in the region after the target area expands the second preset range
Region afterwards, second preset range are greater than first preset range.
4. method as claimed in claim 3, which is characterized in that the performance parameter includes at least one of following: the day of cell
Weak covering grid accounts for the ratio of grid quantity that the antenna coverage areas of the cell includes in line overlay area, the antenna of cell covers
Cell boundary raster accounts for the cell in the average overlapping coverages of all grids that cover area includes, the antenna coverage areas of cell
The antenna coverage areas grid that includes ratio.
5. such as the described in any item methods of Claims 1-4, which is characterized in that the adjustment sequence is based on quantity in N number of group
The measurement report quantity of largest cell is ranked up to obtain, wherein quantity largest cell is to receive measurement within a preset period of time
The most cell of reporting quantities.
6. a kind of adjustment device of cellular cell power characterized by comprising
First determination unit, for determining the cell to be adjusted of antenna power to be adjusted；
Second determination unit, for determining the antenna coverage areas of each cell to be adjusted according to electronic map；
Grouped element, for cell to be adjusted to be divided into N number of group, wherein each group of cell to be adjusted for including in N number of group
Antenna coverage areas is not overlapped, and each group of adjustment sequence for being corresponding with antenna power respectively in described N number of group, N is positive integer；
Adjustment unit, the antenna power for being directed to multiple cells to be adjusted that each group includes according to the adjustment sequence carry out
Adjustment, and be adjusted parallel for the antenna power of the same group of multiple cells to be adjusted for including.
7. device as claimed in claim 6, which is characterized in that the cell to be adjusted is the target area of antenna power to be adjusted
The cell for including in domain, or the cell to include in the region after the first preset range of target area expansion.
8. device as claimed in claim 7, which is characterized in that the adjustment unit is specifically used for:
It is adjusted in the following way for the antenna power of first community, wherein the first community is the multiple wait adjust
Any cell in whole cell:
It is adjusted based on antenna power of the antenna power adjusting range to the first community, and to the institute that protection zone includes
There is the performance parameter of cell to be assessed；
No longer become excellent direction change to characterization antenna covering performance in the performance parameter value of the first community, and assesses protection
The performance parameter value for any cell that region includes compare for the first community carry out antenna power adjustment before, it is described any
The direction change that the performance parameter value of cell is deteriorated to antenna covering performance then stops the antenna function for adjusting the first community
Rate；
Wherein, the protection zone is to remove the target area in the region after the target area expands the second preset range
Region afterwards, second preset range are greater than first preset range.
9. device as claimed in claim 8, which is characterized in that the performance parameter includes at least one of following: the day of cell
Weak covering grid accounts for the ratio of grid quantity that the antenna coverage areas of the cell includes in line overlay area, the antenna of cell covers
Cell boundary raster accounts for the cell in the average overlapping coverages of all grids that cover area includes, the antenna coverage areas of cell
The antenna coverage areas grid that includes ratio.
10. device as described in any one of claim 1 to 9, which is characterized in that the adjustment sequence is based on number in N number of group
The measurement report quantity of amount largest cell is ranked up to obtain, wherein quantity largest cell is to receive survey within a preset period of time
Measure the most cell of reporting quantities.
11. a kind of computing device, which is characterized in that including at least one processor and at least one processor, wherein institute
It states memory and is stored with computer program, when described program is executed by the processor, so that the processor perform claim
It is required that the step of 1~5 any claim the method.
12. a kind of computer-readable medium, which is characterized in that it is stored with the computer program that can be executed by computing device, when
When described program is run on the computing device, so that the computing device perform claim requires the step of 1~5 any the method
Suddenly.
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