CN108668285A - A kind of PCI method and device for planning - Google Patents
A kind of PCI method and device for planning Download PDFInfo
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- CN108668285A CN108668285A CN201710209883.0A CN201710209883A CN108668285A CN 108668285 A CN108668285 A CN 108668285A CN 201710209883 A CN201710209883 A CN 201710209883A CN 108668285 A CN108668285 A CN 108668285A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
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Abstract
The embodiment of the present invention provides a kind of PCI method and device for planning.The method includes：Obtain the frequency point of base station to be planned, the deflection of longitude and latitude and each cell；The same frequency base station of base station to be planned within the scope of predeterminable area is obtained according to frequency point, and the target Delaunay triangulation network of the angle point centered on base station to be planned is obtained according to the first preset rules；According to the deflection of the longitude and latitude and each cell of target Delaunay triangulation network and base station to be planned, the target PCI set to be selected of each cell of base station to be planned is obtained according to the second preset rules；The corresponding same frequency base stations PCI that the target PCI to be selected set for calculating separately each cell of base station to be planned includes at a distance from base station to be planned, and respectively using apart from the corresponding PCI in maximum same frequency base station as the target PCI of each cell of base station to be planned.Described device is for executing the above method.Method and device provided by the invention improves new plus base station PCI planning efficiencies.
Description
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of PCI method and device for planning.
Background technology
With the rapid development of communication technology, LTE base station quantity is more and more, requirement of the people for communication quality is also got over
Come it is higher, for newly plus base station Physical Cell Identifier (PhysicalCell Identities, PCI) planning problem, it is also more next
More it is taken seriously.
The purpose of Physical Cell Identifier (Physical Cell Identifier, PCI) planning is each cell for base station
Reasonable distribution PCI, it is ensured that with frequency with interference will not be generated between the cell downlink signal of PCI mutually, avoid influence mobile phone correct
Synchronous and decoding normal service cell pilot channel.Under the conditions of the prior art, drive test data and existing network data are typically utilized
Some essential informations (such as subdistrict position, potential adjacent area) in figure, by using Planning Tool under line or manually come to every
A cell distributes PCI, evades PCI moulds 3, mould 6, mould 30 and interferes, and realizes new plus base station PCI deployment planning.But utilize test
The PCI of data acquisition interferes data, has contingency and flow is complicated, in fact it could happen that because PCI interference data acquisitions do not cause entirely
PCI optimal can not be exported, to cause newly to add base station PCI planning efficiencies low.
Therefore, how to propose that a kind of method improves newly plus base station PCI planning efficiencies are current industry projects urgently to be resolved hurrily.
Invention content
For the defects in the prior art, the embodiment of the present invention provides a kind of PCI method and device for planning.
On the one hand, the embodiment of the present invention provides a kind of PCI planing methods, including：
Obtain the frequency point of base station to be planned, the deflection of longitude and latitude and each cell；
The same frequency base station of the base station to be planned within the scope of predeterminable area is obtained according to the frequency point, and according to described with frequency
Base station and the base station to be planned obtain the target of the angle point centered on the base station to be planned according to the first preset rules
Delaunay triangulation network；
According to the side of the longitude and latitude and corresponding each cell of the target Delaunay triangulation network and the base station to be planned
To angle, the target PCI set to be selected of each cell of the base station to be planned is obtained according to the second preset rules；
The target PCI to be selected for calculating separately each cell of the base station to be planned gathers the corresponding same frequency bases of PCI for including
It stands at a distance from the base station to be planned, and waits advising as described in apart from the corresponding PCI in maximum same frequency base station using described respectively
Draw the target PCI of each cell of base station.
On the other hand, the embodiment of the present invention provides a kind of PCI device for planning, including：
First acquisition unit, for obtaining the frequency point of base station to be planned, the deflection of longitude and latitude and each cell；
Second acquisition unit, the same frequency base for obtaining the base station to be planned within the scope of predeterminable area according to the frequency point
It stands, and according to the same frequency base station and the base station to be planned, is with the base station to be planned according to the acquisition of the first preset rules
The target Delaunay triangulation network of center angle point；
Third acquiring unit, for according to the longitude and latitude of the target Delaunay triangulation network and the base station to be planned and
The deflection of corresponding each cell obtains the target PCI to be selected of each cell of the base station to be planned according to the second preset rules
Set；
Processing unit gathers the PCI for including for calculating separately the target of each cell of the base station to be planned PCI to be selected
Corresponding same frequency base station is at a distance from the base station to be planned, and respectively by described apart from the corresponding PCI in maximum same frequency base station
The target PCI of each cell as the base station to be planned.
PCI method and device for planning provided in an embodiment of the present invention, by obtaining predeterminable area range according to the frequency point
The same frequency base station of the interior base station to be planned, and obtain the angle centered on the base station to be planned according to according to the first preset rules
The target Delaunay triangulation network and the longitude and latitude of base station to be planned and the deflection of corresponding each cell of point, it is default according to second
The target PCI set to be selected of each cell of base station to be planned described in Rule, calculates separately each small of the base station to be planned
Respectively will at a distance from the base station to be planned the corresponding same frequency base stations PCI that the target PCI set to be selected in area includes
The target PCI of each cell apart from the corresponding PCI in the maximum same frequency base station as the base station to be planned, improves
Newly add base station PCI planning efficiencies.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is PCI planing methods flow diagram provided in an embodiment of the present invention；
Fig. 2 is Delaunay triangulation network schematic diagram provided in an embodiment of the present invention；
Fig. 3 is new plus base station and its part provided in an embodiment of the present invention with frequency base station schematic diagram；
Fig. 4 is the overall flow schematic diagram of PCI planing methods provided in an embodiment of the present invention；
Fig. 5 is the PCI device for planning structural schematic diagrams that one embodiment of the invention provides；
Fig. 6 is the PCI device for planning structural schematic diagrams that another embodiment of the present invention provides；
Fig. 7 is electronic equipment entity apparatus structural schematic diagram provided in an embodiment of the present invention.
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 PCI planing methods flow diagram provided in an embodiment of the present invention, as shown in Figure 1, the present embodiment provides one
Kind PCI planing methods, including：
The deflection of S101, the frequency point for obtaining base station to be planned, longitude and latitude and each cell；
Specifically, PCI device for planning obtains the deflection of the frequency point of base station to be planned, longitude and latitude and each cell.Wherein, institute
It can newly add base station to state base station to be planned, and the frequency point is the dominant frequency point of the base station to be planned, and each cell is described
The cell of base station covering to be planned, generally 3.
S102, the same frequency base station that the base station to be planned within the scope of predeterminable area is obtained according to the frequency point, and according to institute
Same frequency base station and the base station to be planned are stated, the mesh of the angle point centered on the base station to be planned is obtained according to the first preset rules
Mark Delaunay triangulation network；
Specifically, described device obtains within the scope of the predeterminable area centered on the base station to be planned, waits advising with described
Draw the identical base station of frequency point of base station, the same frequency base station of the as described cell to be planned.Described device is according to the same frequency base station
With the base station to be planned, the Delaunay triangulation network of the angle point centered on the base station to be planned is generated, described
In Delaunay triangulation network, the number of the same frequency base station is successively counted outward by the base station to be planned, until described same
The total number of frequency base station stops more than predetermined threshold value, obtains the target Delaunay triangulation network.Certainly, described device can be with
The target Delaunay triangulation network is obtained by other means, can be specifically adjusted according to actual conditions, not done herein
It is specific to limit.
S103, longitude and latitude and corresponding each cell according to the target Delaunay triangulation network and the base station to be planned
Deflection, the target PCI to be selected set of each cell of the base station to be planned is obtained according to the second preset rules；
Specifically, described device obtains each cell for each same frequency base station that the target Delaunay triangulation network includes
The set of corresponding PCI composition, alternately PCI gather；Then, described device in the alternative PCI set according to second
Preset rules exclude mould 3, mould 6 and mould 30 and interfere, and obtain the collection of the target PCI compositions to be selected of each cell of the base station to be planned
It closes, that is, target PCI set to be selected.
S104, the PCI that the target PCI set to be selected for each cell for calculating separately the base station to be planned includes are corresponding same
Frequency base station at a distance from the base station to be planned, and respectively using described apart from the corresponding PCI in maximum same frequency base station as described in
The target PCI of each cell of base station to be planned.
Specifically, the target PCI to be selected set that described device obtains each cell of the base station to be planned respectively includes
PCI searches the corresponding same frequency base stations each PCI, and obtains the longitude and latitude of the corresponding same frequency base stations each PCI, root
According to the longitude and latitude of the longitude and latitude and the base station to be planned of the corresponding same frequency base stations each PCI, described each PCI pairs is calculated
The same frequency base station answered corresponds to the same frequency base station farthest apart from the base station to be planned at a distance from the base station to be planned
Target PCIs of the PCI as the base station respective cell to be planned.For example, the base station to be planned is N0, 3 of covering
Cell is respectively A cells, B cells, C cells, and the target PCI collection to be selected of the A cells is combined into { p1, p2, p3, described device point
P is not searched1, p2, p3Corresponding base station is respectively N1, N2, N3, then described device calculate separately the base station N to be planned0With it is described
Base station N1, N2, N3Distance be S1, S2, S3, and S1＞ S2＞ S3, then described device determine with the base station N1Corresponding PCI is (i.e.
p1) target PCI as the A cells in base station to be planned；Described device obtains the base to be planned respectively in the same way
The target PCI of B cells of standing and C cells completes the PCI planning to the base station to be planned.
PCI planing methods provided in an embodiment of the present invention, it is described within the scope of predeterminable area by being obtained according to the frequency point
The same frequency base station of base station to be planned, and according to the mesh for obtaining the angle point centered on the base station to be planned according to the first preset rules
Delaunay triangulation network and the longitude and latitude of base station to be planned and the deflection of corresponding each cell are marked, is obtained according to the second preset rules
The target of each cell of the base station to be planned PCI set to be selected is taken, the mesh of each cell of the base station to be planned is calculated separately
Corresponding same frequency base stations PCI that PCI to be selected set includes are marked with the base station to be planned at a distance from, and respectively will described in away from
The target PCI of each cells of the PCI corresponding from the maximum same frequency base station as the base station to be planned, improves Xin Jiaji
It stands PCI planning efficiencies.
On the basis of the above embodiments, further, described according to the same frequency base station and the base station to be planned, it presses
The target Delaunay triangulation network of the angle point centered on the base station to be planned is obtained according to the first preset rules, including：
According to the same frequency base station and the base station to be planned, the angle point centered on the base station to be planned is generated
Delaunay triangulation network；
In the Delaunay triangulation network, of the same frequency base station is successively counted outward by the base station to be planned
Number, until the same frequency base station total number be more than predetermined threshold value stopping, obtaining the target Delaunay triangulation network.
Specifically, described device according within the scope of the predeterminable area got the same frequency base station and described wait advising
Base station is drawn, generates the Delaunay triangulation network of the angle point centered on the base station to be planned, and in the Delaunay triangulation network
On, by the base station to be planned, successively count the number of the same frequency base station outward, and by each layer of the same frequency base
The number stood adds up, and until the total number of the same frequency base station then stops more than predetermined threshold value, obtains the target
Delaunay triangulation network.It is understood that the predetermined threshold value could be provided as 168；The predeterminable area range can be
Using the base station to be planned as the center of circle, to be 5 kms as the border circular areas range of radius, can specifically be carried out according to actual conditions
Adjustment, is not specifically limited herein.
For example, Fig. 2 is Delaunay triangulation network schematic diagram provided in an embodiment of the present invention, as shown in Fig. 2, newly adding base station
Angle point centered on 201 newly adds base station 201 to start by the angle point on interior layer each outward to be the same frequency base station 202 with described.
The number that described device calculates the same frequency base station 202 of first layer is 7, and the total number of the same frequency base station 202 is calculated as m=at this time
7；Judge m ＜ 168, then the number for continuing to calculate the same frequency base station 202 of the second layer is 13, updates m=7+13=20；So successively
Rule pushes away, when n-th layer, if m=168 stops just, in being with the new plus base station 201 by the Delaunay triangulation network
The total n-layer of heart angle point from inside to outside is as the target Delaunay triangulation network；Alternatively, when to n-th layer, if m ＞ 168 stop,
Then by the Delaunay triangulation network using centered on described new plus base station 201 angle point from inside to outside total n-1 layers as the mesh
Mark Delaunay triangulation network.
On the basis of the above embodiments, further, described according to the target Delaunay triangulation network and described to wait for
It plans the longitude and latitude of base station and the deflection of corresponding each cell, each of the base station to be planned is obtained according to the second preset rules
The target PCI set to be selected of cell, including：
According to the side of the longitude and latitude and corresponding each cell of the target Delaunay triangulation network and the base station to be planned
To angle, the impact factor of each cell of the base station to be planned is calculated, and the base to be planned is obtained according to the impact factor
The corresponding first PCI set to be selected of each cell stood；
The PCI for obtaining each cell of the outermost each same frequency base station of the target Delaunay triangulation network, as
Second PCI set to be selected；
The PCI for obtaining each cell of each same frequency base station of the target Delaunay triangulation network innermost layer, as
Third PCI set to be selected；
According to the described first PCI set, the second PCI set to be selected and third PCI set to be selected to be selected, obtain
The corresponding target PCI set to be selected of each cell of the base station to be planned.
Specifically, described device is according to the longitude and latitude of the target Delaunay triangulation network and the base station to be planned and right
The deflection for each cell answered, calculates the impact factor of each cell of the base station to be planned, and according to the impact factor from
Small sequence is arrived greatly, obtains the corresponding first PCI set to be selected of each cell of the base station to be planned successively；Then, the dress
The PCI for setting each cell for obtaining the outermost each same frequency base station of target Delaunay triangulation network, is waited for as second
PCI is selected to gather；Finally, described device obtains each of each same frequency base station of the target Delaunay triangulation network innermost layer
The PCI of cell, as third PCI set to be selected；Finally, described device is according to the corresponding institute of each cell of the base station to be planned
The first PCI set, the second PCI set to be selected and third PCI set to be selected to be selected is stated, the base station to be planned is obtained
The corresponding target of each cell PCI set to be selected.
On the basis of the above embodiments, further, described according to the target Delaunay triangulation network and described to wait for
It plans the longitude and latitude of base station and the deflection of corresponding each cell, calculates the impact factor of each cell of the base station to be planned,
And the corresponding first PCI set to be selected of each cell that the base station to be planned is obtained according to the impact factor, including：
Obtain the longitude and latitude of the same frequency base station of the target Delaunay triangulation network innermost layer and the direction of each cell
Angle；
According to the longitude and latitude of the same frequency base station of the innermost layer and the deflection of each cell and the base station to be planned
Longitude and latitude and each cell deflection, calculate the impact factor of each cell of the base station to be planned；
According to the sequence that the impact factor is descending, 3 He of mould of each cell of the base station to be planned is excluded successively
Mould 6 interferes, and obtains the described first PCI set to be selected of each cell of the base station to be planned.
Specifically, described device obtains the longitude and latitude of each same frequency base station of the target Delaunay triangulation network innermost layer
The deflection of degree and its each cell, and according to the longitude and latitude of the same frequency base station of the innermost layer and the deflection of each cell and
The deflection of the longitude and latitude and each cell of the base station to be planned calculates the impact factor of each cell of the base station to be planned；
Then, according to the descending sequence of the impact factor, the mould 3 and mould 6 of each cell of the base station to be planned are excluded successively
Interference obtains the described first PCI set to be selected of each cell of the base station to be planned.
For example, Fig. 3 newly adds base station and its part with frequency base station schematic diagram to be provided in an embodiment of the present invention, as shown in figure 3,
The base station to be planned is N0, 3 cells of covering are respectively A cells, B cells, C cells.By taking A cells as an example, the dress
It is α and the longitude and latitude of the A cells to set and obtain the deflection of the A cells.
First, with base station N to be planned0Centered on, 60 ° of determining fan-shaped ranges are added and subtracted with A cells direction angle alpha respectively
It is interior, search the same frequency base station of the innermost layer in the target Delaunay triangulation network, it is assumed that the same frequency base found
There is X at station1、X2Totally two, and the same frequency base station X1Cell be respectively D, E, F, the same frequency base station X2Cell be respectively O,
P、Q.Obtain the same frequency base station X1、X2Longitude and latitude and its each cell deflection, and according to the same frequency base station X1、X2Warp
Latitude and its each cell deflection and base station N to be planned0Longitude and latitude and its each cell deflection, calculate the same frequency base station X1、
X2With the base station N to be planned0Distance respectively d1、d2, the same frequency base station X1、X2With the base station N to be planned0The folder of line
Angle is respectively β1、β2。
Described device calculates separately the same frequency base station X1Cell D, E, F and the same frequency base station X2Cell O, P, Q
To the impact factor of A cells.With the same frequency base station X1Cell D for, described device is according to formula：
ID=COS (β1)×COS(α-γD+180)/d1
Calculate impact factors of the cell D to the A cells, wherein IDIt is the cell D to the shadow of the A cells
Ring the factor, β1For the same frequency base station X1With the base station N to be planned0The angle of line, α are the deflection of the A cells, γD
For the deflection of the cell D, d1For the same frequency base station X1With the base station N to be planned0Distance.Divide in the same manner
The same frequency base station X is not calculated1Other two cells E, F and the same frequency base station X2Cell O, P, Q to the shadows of A cells
It is respectively I to ring the factorE、IF、IO、IP、IQ.Also, described device obtains the I respectivelyD、IE、IFIn maximum value be IE, described
IO、IP、IQIn maximum value be IO, then the impact factor that described device calculates the A cells is IA=IE+IO。
Described device calculates separately the base station N to be planned in the same way0Other two cells B and C influence
The factor is IBAnd IC, details are not described herein again for detailed process.Then, described device compares size to the impact factor, obtains IA＞ IB
＞ IC, then the first PCI set to be selected of the A cells is preferentially calculated, specially：Rejecting and institute in the alternative PCI set
The 3 identical PCI of mould of the corresponding PCI of cell E, and the 3 identical PCI of mould of PCI corresponding with the cell O are stated, is picked simultaneously
Except the 6 identical PCI of mould of the 6 identical PCI of mould of PCI corresponding with the cell E, and PCI corresponding with the cell O,
Obtain the first PCI set to be selected of the A cells.Then, calculate the B cells successively in the same way first is to be selected
PCI gathers and the first PCI set to be selected of C cells, and details are not described herein again for detailed process.
It should be noted that the B cells, the mould 3 of C cells are different from the A cells；And if the A cells and institute
It states B cells, when the mould 3 of C cells clashes, preferentially meets the highest A cells of impact factor.
On the basis of the above embodiments, further, described according to the described first PCI to be selected gathers, described second waits for
Select PCI set and third PCI set to be selected, the corresponding target of each cell for obtaining the base station to be planned to be selected
PCI gathers, including：
The the described first PCI set to be selected and the described second PCI to be selected of each cell of the base station to be planned are obtained respectively
Intersection of sets collection, the 4th PCI set to be selected of each cell as the base station to be planned；
By the described 4th of each cell of the base station to be planned the PCI to be selected set respectively with third PCI collection to be selected
It closes and excludes the interference of mould 30, the PCI set of acquisition is gathered as the target PCI to be selected of each cell of the base station to be planned.
Specifically, described device obtain respectively the described first PCI to be selected set of each cell of the base station to be planned with
The second PCI intersection of sets collection to be selected, the 4th PCI set to be selected of each cell as the base station to be planned；Described
It is rejected respectively in described 4th PCI set to be selected of each cell of base station to be planned and molds 30 phases with third PCI collection to be selected
Same PCI excludes mould 30 and interferes, and the PCI set of acquisition is to be selected as the target of each cell of the base station to be planned
PCI gathers.
For example, with continued reference to Fig. 3, the base station to be planned is N0For A cells in 3 cells of covering, if the A
Described first PCI collection to be selected of cell is combined into { p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, the target Delaunay triangles
The set (the second PCI set to be selected) for netting the PCI of each cell of outermost each same frequency base station is { p1, p2, p3, p4,
p6, p8, p9, p11, p12, p13, p14, by described the first of the A cells the PCI set to be selected and the described second PCI collection conjunction to be selected
The 4th PCI collection to be selected that intersection obtains the A cells is combined into { p1, p2, p3, p4, p6, p8, p9}.The 4th in the A cells waits for
The PCI with each cell of each same frequency base station of the target Delaunay triangulation network innermost layer is rejected in selecting PCI to gather
Set (third to be selected PCI set) in 30 identical PCI of mould, the target PCI collection to be selected for obtaining the A cells is combined into { p1,
p2, p3}.Described device obtains the target PCI set to be selected of the B cells and the C cells, detailed process in the same way
Details are not described herein again.
Fig. 4 is the overall flow schematic diagram of PCI planing methods provided in an embodiment of the present invention, as shown in figure 4, the present invention is real
The PCI planing methods for applying example offer specifically include following steps：
The deflection of S401, the frequency point for obtaining base station to be planned, longitude and latitude and each cell；Then, step S402 is executed；
S402, target Delaunay triangulation network is obtained；Described device is according within the scope of the predeterminable area got
The same frequency base station and the base station to be planned generate the Delaunay triangulation network of the angle point centered on the base station to be planned,
And in the Delaunay triangulation network, by the base station to be planned, successively count the number of the same frequency base station outward,
And the number of each layer of the same frequency base station adds up, until the total number of the same frequency base station is more than predetermined threshold value then
Stop, obtaining the target Delaunay triangulation network；Then, step S403 is executed；
The corresponding first PCI set to be selected of S403, each cell for obtaining base station to be planned；Described device obtains the target
The longitude and latitude of each same frequency base station of Delaunay triangulation network innermost layer and its deflection of each cell, and according to described most interior
The longitude and latitude of the same frequency base station of layer and the side of the deflection of each cell and the longitude and latitude and each cell of the base station to be planned
To angle, the impact factor of each cell of the base station to be planned is calculated；Then, according to descending suitable of the impact factor
Sequence, the mould 3 and mould 6 for excluding each cell of the base station to be planned successively interfere, and obtain each cell of the base station to be planned
The first PCI set to be selected；Then, step S404 is executed；
S404, the second PCI set to be selected is obtained；Obtain the outermost each same frequency base station of the target Delaunay triangulation network
Each cell PCI, as the second PCI to be selected set；Then, step S405 is executed；
S405, third PCI set to be selected is obtained；Obtain each same frequency base station of the target Delaunay triangulation network innermost layer
Each cell PCI, as third PCI to be selected set；Then, step S406 is executed；
The corresponding target PCI set to be selected of S406, each cell for obtaining base station to be planned；Described device obtains respectively
Described first PCI set to be selected of each cell of the base station to be planned and the described second PCI intersection of sets collection to be selected, as institute
State the 4th PCI set to be selected of each cell of base station to be planned；The described 4th in each cell of the base station to be planned is to be selected
It is rejected respectively in PCI set and molds 30 identical PCI with third PCI collection to be selected, excluded mould 30 and interfere, by the PCI of acquisition
Gather as the target of each cell of the base station to be planned PCI set to be selected；Then, step S407 is executed；
S407, obtain base station to be planned each cell target PCI；Calculate separately each cell of the base station to be planned
Target PCI to be selected gathers the corresponding same frequency base stations PCI for including at a distance from the base station to be planned, and respectively will be described
The target PCI of each cell apart from the corresponding PCI in the maximum same frequency base station as the base station to be planned.
Fig. 5 is the PCI device for planning structural schematic diagrams that one embodiment of the invention provides, as shown in figure 5, the embodiment of the present invention
A kind of PCI device for planning, including first acquisition unit 501, second acquisition unit 502, third acquiring unit 503 and processing are provided
Unit 504, wherein：
First acquisition unit 501 is used to obtain the deflection of the frequency point of base station to be planned, longitude and latitude and each cell；
Second acquisition unit 502 is used to obtain the same frequency of the base station to be planned within the scope of predeterminable area according to the frequency point
Base station, and according to the same frequency base station and the base station to be planned, obtained with the base station to be planned according to the first preset rules
Centered on angle point target Delaunay triangulation network；
Third acquiring unit 503 is used for the longitude and latitude according to the target Delaunay triangulation network and the base station to be planned
And the deflection of corresponding each cell, the target that each cell of the base station to be planned is obtained according to the second preset rules are to be selected
PCI gathers；
The target PCI to be selected for each cell that processing unit 504 is used to calculate separately the base station to be planned, which gathers, includes
The corresponding same frequency base stations PCI are corresponding apart from maximum same frequency base station by described at a distance from the base station to be planned, and respectively
Target PCIs of the PCI as each cell of the base station to be planned.
Specifically, first acquisition unit 501 obtains the deflection of the frequency point of base station to be planned, longitude and latitude and each cell；Its
In, the base station to be planned can be newly plus base station, the frequency point are the dominant frequency point of the base station to be planned, and each cell is
The cell of the base station covering to be planned, generally 3.Second acquisition unit 502 obtains centered on the base station to be planned
Predeterminable area within the scope of, base station identical with the frequency point of base station to be planned, the same frequency base of the as described cell to be planned
It stands.Second acquisition unit 502 is generated according to the same frequency base station and the base station to be planned centered on the base station to be planned
The Delaunay triangulation network of angle point successively counts institute outward in the Delaunay triangulation network by the base station to be planned
The number for stating same frequency base station, until the same frequency base station total number more than predetermined threshold value stop, obtaining the target
Delaunay triangulation network.Certainly, second acquisition unit 502 can also obtain the target Delaunay triangles by other means
Net can specifically be adjusted according to actual conditions, be not specifically limited herein.Third acquiring unit 503 obtains the target
The set of the corresponding PCI compositions of each cell of each same frequency base station that Delaunay triangulation network includes, alternately PCI gather；So
Afterwards, third acquiring unit 503 excludes mould 3, mould 6 and the interference of mould 30 in the alternative PCI set according to the second preset rules, obtains
Obtain the set of the target PCI compositions to be selected of each cell of the base station to be planned, that is, target PCI set to be selected.Place
The target PCI to be selected for each cell that reason unit 504 obtains the base station to be planned respectively gathers the PCI for including, and searches described each
The corresponding same frequency base stations PCI, and the longitude and latitude of the corresponding same frequency base stations each PCI is obtained, it is corresponded to according to each PCI
The same frequency base station longitude and latitude and the base station to be planned longitude and latitude, calculate the corresponding same frequency bases of each PCI
Stand at a distance from the base station to be planned, using the same frequency base station corresponding PCI farthest apart from the base station to be planned as
The target PCI of the base station respective cell to be planned.
PCI device for planning provided in an embodiment of the present invention, it is described within the scope of predeterminable area by being obtained according to the frequency point
The same frequency base station of base station to be planned, and according to the mesh for obtaining the angle point centered on the base station to be planned according to the first preset rules
Delaunay triangulation network and the longitude and latitude of base station to be planned and the deflection of corresponding each cell are marked, is obtained according to the second preset rules
The target of each cell of the base station to be planned PCI set to be selected is taken, the mesh of each cell of the base station to be planned is calculated separately
Corresponding same frequency base stations PCI that PCI to be selected set includes are marked with the base station to be planned at a distance from, and respectively will described in away from
The target PCI of each cells of the PCI corresponding from the maximum same frequency base station as the base station to be planned, improves Xin Jiaji
It stands PCI planning efficiencies.
On the basis of the above embodiments, further, second acquisition unit 502 is specifically used for：
According to the same frequency base station and the base station to be planned, the angle point centered on the base station to be planned is generated
Delaunay triangulation network；
In the Delaunay triangulation network, of the same frequency base station is successively counted outward by the base station to be planned
Number, until the same frequency base station total number be more than predetermined threshold value stopping, obtaining the target Delaunay triangulation network.
Specifically, within the scope of the predeterminable area that second acquisition unit 502 is got according to first acquisition unit 501
The same frequency base station and the base station to be planned generate the Delaunay triangulation network of the angle point centered on the base station to be planned,
And in the Delaunay triangulation network, by the base station to be planned, successively count the number of the same frequency base station outward,
And the number of each layer of the same frequency base station adds up, until the total number of the same frequency base station is more than predetermined threshold value then
Stop, obtaining the target Delaunay triangulation network.It is understood that the predetermined threshold value could be provided as 168；It is described pre-
It, specifically can be with to be 5 kms as the border circular areas range of radius if regional extent can be using the base station to be planned as the center of circle
It is adjusted according to actual conditions, is not specifically limited herein.
Fig. 6 is the PCI device for planning structural schematic diagrams that another embodiment of the present invention provides, as shown in fig. 6, the present invention is implemented
The PCI device for planning that example provides, including first acquisition unit 601, second acquisition unit 602, third acquiring unit 603 and processing
Unit 604, first acquisition unit 601, second acquisition unit 602 and processing unit 604 are obtained with first in above-described embodiment
Unit 501, second acquisition unit 502 are consistent with processing unit 504, and third acquiring unit 603 includes computation subunit 605, the
One, which obtains subelement 606, second, obtains subelement 607 and processing subelement 608, wherein：
Computation subunit 605 be used for according to the longitude and latitude of the target Delaunay triangulation network and the base station to be planned and
The deflection of corresponding each cell calculates the impact factor of each cell of the base station to be planned, and according to the impact factor
Obtain the corresponding first PCI set to be selected of each cell of the base station to be planned；
First acquisition subelement 606 is for obtaining the outermost each same frequency base station of the target Delaunay triangulation network
Each cell PCI, as the second PCI to be selected set；
Second acquisition subelement 607 is used to obtain each same frequency base station of the target Delaunay triangulation network innermost layer
Each cell PCI, as third PCI to be selected set；
Subelement 608 is handled to be used for according to the described first PCI to be selected set, the second PCI set to be selected and described the
Three PCI set to be selected obtain the corresponding target PCI set to be selected of each cell of the base station to be planned.
Specifically, computation subunit 605 is according to the longitude and latitude of the target Delaunay triangulation network and the base station to be planned
The deflection of degree and corresponding each cell calculates the impact factor of each cell of the base station to be planned, and according to the influence
The sequence of the factor from big to small obtains the corresponding first PCI set to be selected of each cell of the base station to be planned successively；Then,
First acquisition subelement 606 obtains each cell of the outermost each same frequency base station of the target Delaunay triangulation network
PCI, as the second PCI set to be selected；Finally, it is most interior to obtain the target Delaunay triangulation network for the second acquisition subelement 607
The PCI of each cell of each same frequency base station of layer, as third PCI set to be selected；Finally, 608 basis of subelement is handled
Each cell corresponding first PCI set, the second PCI set to be selected and the third to be selected of the base station to be planned
PCI set to be selected obtains the corresponding target PCI set to be selected of each cell of the base station to be planned.
On the basis of the above embodiments, further, computation subunit 605 is specifically used for：
Obtain the longitude and latitude of the same frequency base station of the target Delaunay triangulation network innermost layer and the direction of each cell
Angle；
According to the longitude and latitude of the same frequency base station of the innermost layer and the deflection of each cell and the base station to be planned
Longitude and latitude and each cell deflection, calculate the impact factor of each cell of the base station to be planned；
According to the sequence that the impact factor is descending, 3 He of mould of each cell of the base station to be planned is excluded successively
Mould 6 interferes, and obtains the described first PCI set to be selected of each cell of the base station to be planned.
Specifically, computation subunit 605 obtains each same frequency base station of the target Delaunay triangulation network innermost layer
Longitude and latitude and its each cell deflection, and according to the longitude and latitude of the same frequency base station of the innermost layer and the side of each cell
To the deflection of the longitude and latitude and each cell at angle and the base station to be planned, the influence of each cell of the base station to be planned is calculated
The factor；Then, computation subunit 605 excludes the base station to be planned successively according to the descending sequence of the impact factor
Each cell mould 3 and mould 6 interfere, obtain the described first PCI set to be selected of each cell of the base station to be planned.
On the basis of the above embodiments, further, processing subelement 608 is specifically used for：
The the described first PCI set to be selected and the described second PCI to be selected of each cell of the base station to be planned are obtained respectively
Intersection of sets collection, the 4th PCI set to be selected of each cell as the base station to be planned；
By the described 4th of each cell of the base station to be planned the PCI to be selected set respectively with third PCI collection to be selected
It closes and excludes the interference of mould 30, the PCI set of acquisition is gathered as the target PCI to be selected of each cell of the base station to be planned.
Specifically, processing subelement 608 obtains the described first PCI collection to be selected of each cell of the base station to be planned respectively
It closes and the described second PCI intersection of sets collection to be selected, the 4th PCI set to be selected of each cell as the base station to be planned；
It rejects in described 4th PCI set to be selected of each cell of the base station to be planned and is molded with third PCI collection to be selected respectively
30 identical PCI exclude mould 30 and interfere, the target by the PCI set of acquisition as each cell of the base station to be planned
PCI set to be selected.
The embodiment of device provided by the invention specifically can be used for executing the process flow of above-mentioned each method embodiment,
Details are not described herein for function, is referred to the detailed description of above method embodiment.
Fig. 7 is the entity structure schematic diagram of electronic equipment provided in an embodiment of the present invention, as shown in fig. 7, the electronic equipment
May include：Processor (processor) 701, memory (memory) 702 and bus 703, wherein processor 701, storage
Device 702 completes mutual communication by bus 703.Processor 701 can call the logical order in memory 702, to hold
The following method of row：Obtain the frequency point of base station to be planned, the deflection of longitude and latitude and each cell；Preset areas is obtained according to the frequency point
The same frequency base station of the base station to be planned within the scope of domain, and obtained centered on the base station to be planned according to the first preset rules
The target Delaunay triangulation network of angle point；According to the longitude and latitude of the target Delaunay triangulation network and the base station to be planned and
The deflection of corresponding each cell obtains the target PCI to be selected of each cell of the base station to be planned according to the second preset rules
Set；The target PCI to be selected for calculating separately each cell of the base station to be planned gathers the corresponding same frequency bases of PCI for including
Stand at a distance from the base station to be planned, and respectively using described apart from the corresponding PCI in the maximum same frequency base station as described in
The target PCI of each cell of base station to be planned.
The embodiment of the present invention discloses a kind of computer program product, and the computer program product is non-transient including being stored in
Computer program on computer readable storage medium, the computer program include program instruction, when described program instructs quilt
When computer executes, computer is able to carry out the method that above-mentioned each method embodiment is provided, such as including：Obtain base to be planned
The deflection of the frequency point, longitude and latitude and each cell stood；The base station to be planned within the scope of predeterminable area is obtained according to the frequency point
Same frequency base station, and according to the first preset rules obtain centered on the base station to be planned angle point target Delaunay triangles
Net；According to the deflection of the longitude and latitude and corresponding each cell of the target Delaunay triangulation network and the base station to be planned,
The target PCI set to be selected of each cell of the base station to be planned is obtained according to the second preset rules；It waits advising described in calculating separately
Draw the corresponding same frequency base stations PCI and the base station to be planned that the target PCI set to be selected of each cell of base station includes
Distance, and respectively using described apart from the corresponding PCI in the maximum same frequency base station as each cell of the base station to be planned
Target PCI.
The embodiment of the present invention provides a kind of non-transient computer readable storage medium, the non-transient computer readable storage
Medium storing computer instructs, and the computer instruction makes the computer execute the side that above-mentioned each method embodiment is provided
Method, such as including：Obtain the frequency point of base station to be planned, the deflection of longitude and latitude and each cell；It is obtained according to the frequency point default
The same frequency base station of the base station to be planned in regional extent, and be with the base station to be planned according to the acquisition of the first preset rules
The target Delaunay triangulation network of heart angle point；According to the longitude and latitude of the target Delaunay triangulation network and the base station to be planned
And the deflection of corresponding each cell, the target that each cell of the base station to be planned is obtained according to the second preset rules are to be selected
PCI gathers；The PCI that the target PCI set to be selected for calculating separately each cell of the base station to be planned includes is corresponding described same
Frequency base station at a distance from the base station to be planned, and respectively using it is described apart from the corresponding PCI in the maximum same frequency base station as
The target PCI of each cell of the base station to be planned.
In addition, the logical order in above-mentioned memory 703 can be realized and be used as by the form of SFU software functional unit
Independent product sale in use, can be stored in a computer read/write memory medium.Based on this understanding, originally
Substantially the part of the part that contributes to existing technology or the technical solution can be in other words for the technical solution of invention
The form of software product embodies, which is stored in a storage medium, including some instructions to
So that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation of the present invention
The all or part of step of example the method.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM,
Read-OnlyMemory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various
The medium of program code can be stored.
The apparatus embodiments described above are merely exemplary, wherein the unit illustrated as separating component can
It is physically separated with being or may not be, the component shown as unit may or may not be physics list
Member, you can be located at a place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of module achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case of, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It is realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be expressed in the form of software products in other words, should
Computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
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 (10)
1. a kind of PCI planing methods, which is characterized in that including：
Obtain the frequency point of base station to be planned, the deflection of longitude and latitude and each cell；
The same frequency base station of the base station to be planned within the scope of predeterminable area is obtained according to the frequency point, and according to the same frequency base station
With the base station to be planned, the target Delaunay of the angle point centered on the base station to be planned is obtained according to the first preset rules
The triangulation network；
According to the deflection of the longitude and latitude and corresponding each cell of the target Delaunay triangulation network and the base station to be planned,
The target PCI set to be selected of each cell of the base station to be planned is obtained according to the second preset rules；
The corresponding same frequency base stations PCI that the target PCI to be selected set for calculating separately each cell of the base station to be planned includes with
The distance of the base station to be planned, and respectively using described apart from the corresponding PCI in maximum same frequency base station as the base to be planned
The target PCI for each cell stood.
2. according to the method described in claim 1, it is characterized in that, described according to the same frequency base station and the base to be planned
It stands, the target Delaunay triangulation network of the angle point centered on the base station to be planned is obtained according to the first preset rules, including：
According to the same frequency base station and the base station to be planned, the Delaunay of the angle point centered on the base station to be planned is generated
The triangulation network；
In the Delaunay triangulation network, the number of the same frequency base station is successively counted outward by the base station to be planned,
Until the same frequency base station total number more than predetermined threshold value stop, obtaining the target Delaunay triangulation network.
3. according to the method described in claim 1, it is characterized in that, described according to the target Delaunay triangulation network and described
The deflection of the longitude and latitude of base station to be planned and corresponding each cell obtains the base station to be planned according to the second preset rules
The target PCI set to be selected of each cell, including：
According to the deflection of the longitude and latitude and corresponding each cell of the target Delaunay triangulation network and the base station to be planned,
The impact factor of each cell of the base station to be planned is calculated, and each of the base station to be planned is obtained according to the impact factor
The corresponding first PCI set to be selected of cell；
The PCI for obtaining each cell of the outermost each same frequency base station of the target Delaunay triangulation network, as second
PCI set to be selected；
The PCI for obtaining each cell of each same frequency base station of the target Delaunay triangulation network innermost layer, as third
PCI set to be selected；
Gathered according to the described first PCI set, the second PCI set to be selected and third PCI to be selected to be selected, described in acquisition
The corresponding target PCI set to be selected of each cell of base station to be planned.
4. according to the method described in claim 3, it is characterized in that, described according to the target Delaunay triangulation network and described
The deflection of the longitude and latitude of base station to be planned and corresponding each cell, calculate the influence of each cell of the base station to be planned because
Son, and the corresponding first PCI set to be selected of each cell for obtaining according to the impact factor base station to be planned, including：
Obtain the longitude and latitude of the same frequency base station of the target Delaunay triangulation network innermost layer and the deflection of each cell；
According to the longitude and latitude of the same frequency base station of the innermost layer and the warp of the deflection and the base station to be planned of each cell
The deflection of latitude and each cell calculates the impact factor of each cell of the base station to be planned；
According to the sequence that the impact factor is descending, mould 3 and the mould 6 for excluding each cell of the base station to be planned successively are dry
It disturbs, obtains the described first PCI set to be selected of each cell of the base station to be planned.
5. according to the method described in claim 3, it is characterized in that, described according to the described first PCI to be selected set, described second
PCI set to be selected and third PCI set to be selected, the corresponding target of each cell for obtaining the base station to be planned are to be selected
PCI gathers, including：
The the described first PCI set to be selected for obtaining each cell of the base station to be planned respectively is gathered with the described second PCI to be selected
Intersection, the 4th PCI set to be selected of each cell as the base station to be planned；
The described 4th of each cell of the base station to be planned PCI set to be selected is arranged with third PCI set to be selected respectively
Except mould 30 interferes, the PCI set of acquisition is gathered as the target PCI to be selected of each cell of the base station to be planned.
6. a kind of PCI device for planning, which is characterized in that including：
First acquisition unit, for obtaining the frequency point of base station to be planned, the deflection of longitude and latitude and each cell；
Second acquisition unit, the same frequency base station for obtaining the base station to be planned within the scope of predeterminable area according to the frequency point,
And it according to the same frequency base station and the base station to be planned, is obtained centered on the base station to be planned according to the first preset rules
The target Delaunay triangulation network of angle point；
Third acquiring unit, for the longitude and latitude and correspondence according to the target Delaunay triangulation network and the base station to be planned
Each cell deflection, the target PCI to be selected set of each cell of the base station to be planned is obtained according to the second preset rules；
Processing unit is corresponded to for calculating separately the PCI that the target of each cell of the base station to be planned PCI set to be selected includes
Same frequency base station at a distance from the base station to be planned, and respectively using it is described apart from the corresponding PCI in maximum same frequency base station as
The target PCI of each cell of the base station to be planned.
7. device according to claim 6, which is characterized in that the second acquisition unit is specifically used for：
According to the same frequency base station and the base station to be planned, the Delaunay of the angle point centered on the base station to be planned is generated
The triangulation network；
In the Delaunay triangulation network, the number of the same frequency base station is successively counted outward by the base station to be planned,
Until the same frequency base station total number more than predetermined threshold value stop, obtaining the target Delaunay triangulation network.
8. device according to claim 6, which is characterized in that the third acquiring unit includes：
Computation subunit, for according to the longitude and latitude of the target Delaunay triangulation network and the base station to be planned and corresponding
The deflection of each cell calculates the impact factor of each cell of the base station to be planned, and obtains institute according to the impact factor
State the corresponding first PCI set to be selected of each cell of base station to be planned；
First obtains subelement, for obtaining each of the outermost each same frequency base station of the target Delaunay triangulation network
The PCI of cell, as the second PCI set to be selected；
Second obtain subelement, for obtain the target Delaunay triangulation network innermost layer each same frequency base station it is each
The PCI of cell, as third PCI set to be selected；
Subelement is handled, for gathering according to the described first PCI to be selected, second PCI to be selected gathers and the third is to be selected
PCI gathers, and obtains the corresponding target PCI set to be selected of each cell of the base station to be planned.
9. device according to claim 7, which is characterized in that the computation subunit is specifically used for：
Obtain the longitude and latitude of the same frequency base station of the target Delaunay triangulation network innermost layer and the deflection of each cell；
According to the longitude and latitude of the same frequency base station of the innermost layer and the warp of the deflection and the base station to be planned of each cell
The deflection of latitude and each cell calculates the impact factor of each cell of the base station to be planned；
According to the sequence that the impact factor is descending, mould 3 and the mould 6 for excluding each cell of the base station to be planned successively are dry
It disturbs, obtains the described first PCI set to be selected of each cell of the base station to be planned.
10. device according to claim 7, which is characterized in that the processing subelement is specifically used for：
The the described first PCI set to be selected for obtaining each cell of the base station to be planned respectively is gathered with the described second PCI to be selected
Intersection, the 4th PCI set to be selected of each cell as the base station to be planned；
The described 4th of each cell of the base station to be planned PCI set to be selected is arranged with third PCI set to be selected respectively
Except mould 30 interferes, the PCI set of acquisition is gathered as the target PCI to be selected of each cell of the base station to be planned.
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