CN101668296A - Method and device for determining communication zone boundaries - Google Patents
Method and device for determining communication zone boundaries Download PDFInfo
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- CN101668296A CN101668296A CN200810119337A CN200810119337A CN101668296A CN 101668296 A CN101668296 A CN 101668296A CN 200810119337 A CN200810119337 A CN 200810119337A CN 200810119337 A CN200810119337 A CN 200810119337A CN 101668296 A CN101668296 A CN 101668296A
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Abstract
The invention discloses a method for determining communication zone boundaries, which is used for achieving the boundary drawing of coverage areas with same attributes. The method comprises the following steps: drawing the coverage area and the zone boundary of each base station according to the position of each base station, wherein the coverage areas of adjacent base stations have an adjacency relation; and combining every coverage area with the adjacency relation and corresponding to the same zone attribute value, replacing the zone boundaries of the combined coverage areas by the zone boundaries of the areas obtained after the combination so as to obtain the zone boundaries of the coverage areas with the same attributes. The invention also discloses a device for implementing the method.
Description
Technical field
The present invention relates to the computer and the communications field, particularly relate to method and the device of determining communication zone and zone boundary.
Background technology
The communication technology develops rapidly at present, in order to optimize communication network, need know the distribution and the regional coverage condition of communication equipment in the communication network.
One of prior art is to adopt GIS-Geographic Information System to carry out graphic plotting, obtains the distribution situation of base station according to the position data of base station, draws out the sub-district that this base station is had jurisdiction over according to the azimuth of antenna for base station then.The sub-district that this method is drawn out relatively disperses, and this result who draws out only limits to cell level, if wish to obtain then needing artificial drafting with attribute overlay area (as the overlay area, lane place), it is more to take human resources, is not easy to upgrade.
Two of prior art is to determine the summit of base station coverage area according to the intersection point of the perpendicular bisector of adjacent base station in twos, then the summit is connected successively, obtains the overlay area of each base station.Same, the result that this method is drawn out also only limits to the base station rank, if wish to obtain more higher leveled with the attribute overlay area, then by sign set up the base station with the corresponding relation of attribute overlay area, make and with the naked eye roughly judge with the attribute overlay area, but can't determine border automatically, and occur mistake easily by the naked eyes judgement with the attribute overlay area.
To sum up, prior art can only be determined the communication network coverage condition of base station or cell level, can't determine the border condition with the attribute overlay area automatically.
Summary of the invention
The embodiment of the invention provides a kind of method and device of definite communication zone, is used to realize the boundary mapping with the attribute overlay area.
A kind of method of definite communication zone boundaries may further comprise the steps:
Draw out the overlay area and the zone boundary of each base station according to the position of each base station, wherein there is syntople in the overlay area of adjacent base station;
Will respectively have the overlay area of syntople and corresponding the same area property value merge, substitute the zone boundary of merged overlay area with the zone boundary in the zone that obtains after merging, obtain zone boundary with the attribute overlay area.
A kind of device that is used for determining communication zone boundaries comprises:
Drafting module is used for drawing out according to the position of each base station the overlay area and the zone boundary of each base station or jurisdiction district, base station, and wherein there is syntople in the overlay area of adjacent base station or neighbor cell;
Merge module, the overlay area that is used for respectively having syntople and corresponding the same area property value merges, and substitutes the zone boundary of merged overlay area with the zone boundary in the zone that obtains after merging, obtains the zone boundary with the attribute overlay area.
The overlay area that the embodiment of the invention will have syntople and corresponding the same area property value merges, and to merge the border of the alternative former overlay area, border of overlay area afterwards, when the overlay area of corresponding the same area property value can't merge again, can determine the zone boundary of final same attribute overlay area, realized determining automatically with the attribute coverage area boundaries, save human resources, and improved definite result's accuracy.
Description of drawings
Fig. 1 is a main method flow chart of determining communication zone boundaries in the embodiment of the invention;
Fig. 2 is a detailed method flow chart of determining communication zone boundaries in the embodiment of the invention;
Fig. 3 is a flow chart of drawing the cell coverage area process in the embodiment of the invention;
Fig. 4 is the schematic diagram of the same attribute coverage area boundaries before the verification in the embodiment of the invention;
Fig. 5 is the flow chart of belonging to together property of verification coverage area boundaries process in the embodiment of the invention;
Fig. 6 is the schematic diagram of the same attribute coverage area boundaries after the verification in the embodiment of the invention;
Fig. 7 is the primary structure figure that is used for the device of definite communication zone boundaries in the embodiment of the invention;
Fig. 8 is the detailed structure view that is used for the device of definite communication zone boundaries in the embodiment of the invention.
Embodiment
The embodiment of the invention is after drawing out the overlay area and zone boundary of each jurisdiction district, base station according to the position of base station, same attribute of correspondence and overlay area with neighbouring relations are merged, and to merge the border of the alternative former overlay area, border of overlay area afterwards, when the overlay area of corresponding the same area property value can't merge again, obtain the zone boundary of final same attribute overlay area, no longer need the border of manual drawing with the attribute overlay area.
Comprise the zone that higher level's communication equipment of base station covers with the attribute overlay area in the present embodiment, as base station controller (Base Station Controller, BSC), radio network controller (Radio NetworkController, RNC) or (the Mobile Switching Center of mobile switching centre, MSC) overlay area, the zone of Fu Gaiing, or lane place (LAC) etc.Each overlay area can be with one or one group of property value sign or related, and property value comprises the base station controller sign, radio network controller identifier, and mobile switching centre's sign, or Location Area Identification etc.Base station in the present embodiment can be BaseStation (BS), the Node B (NB) in the third communication system, the Evolved NodeB (ENB) in the long evolving system etc. in the global system for mobile communications.
Referring to Fig. 1, determine in the present embodiment that the main method flow process of communication zone boundaries is as follows:
Step 101: draw out the overlay area and the zone boundary of each base station according to the position of each base station, wherein there is syntople in the overlay area of neighbor cell.Syntople is meant: there is public border in two zones, have syntople between two such zones.A base station can corresponding a plurality of sub-districts in the present embodiment.
Step 102: the overlay area that will respectively have syntople and corresponding the same area property value merges, and substitutes the zone boundary of merged overlay area with the zone boundary in the zone that obtains after merging, obtains the zone boundary with the attribute overlay area.
Specifically describing the zone below by embodiment merges and obtains process with the attribute coverage area boundaries.
Referring to Fig. 2, determine in the present embodiment that the detailed method flow process of communication zone boundaries is as follows:
Step 201: the position coordinates that obtains the base station.Can obtain the position coordinates (being latitude and longitude coordinates) of base station by GPS (Global Position System) (GPS), the record of preserving during perhaps according to the initial plan base station location obtains the position coordinates of base station.
Step 202: draw out the overlay area and the zone boundary of each base station according to the position coordinates of each base station, and base station coverage area and zone boundary are identified.But the applied geography information system has algorithm now, perhaps adopts not Lip river noy (voronoi) algorithm or its derivative algorithm to draw base station coverage area and zone boundary.For example, draw out the cellular cell on 6 limits by said method, can identify base station coverage area is BS1, and the sign on 6 limits of base station coverage area can numbering obtains by begin clockwise from north orientation, i.e. BS1-0, BS1-1, BS1-2, BS1-3, BS1-4 and BS1-5.
Step 203: the base station coverage area border and the actual geographic area of drawing out are compared, adjust the border of base station coverage area according to actual geographic area.Adjusting the base station coverage area border comprises correction base station coverage area border and draws base station coverage area border etc.Revising the base station coverage area border is meant: the boundary according to actual geographic area is adjusted the base station coverage area border.For example, actual geographic area is the zone in a city, and according to this city map, certain base station coverage area of drafting has the border that fraction has exceeded this city, then adjust this base station coverage area and exceed this city portion boundary, make itself and urban border identical substantially.Drawing the base station coverage area border is meant: the base station coverage area that initial drawing goes out may not restrain, and then will not restrain the segment boundary of the urban border at place as this base station coverage area, makes the base station coverage area convergence.
If execution in step 203, can after generating final same attribute overlay area, adjust with the attribute coverage area boundaries according to actual geographic area, method of adjustment is identical with step 203.
Step 204: obtain base station coverage area (inclusion region border) set of corresponding the same area property value.When the network planning, set up the corresponding relation of each base station and its higher level's communication equipment, therefore can identify the overlay area of association base station with one or one group of property value, property value comprises base station controller sign, radio network controller identifier, mobile switching centre's sign, Location Area Identification etc.For example for certain overlay area BSi can use one group of property value as: (BSCi, MSCi LACi) are associated with it.Can obtain one group of overlay area of corresponding the same area property value according to this corresponding relation.When needs are drawn the overlay area of BSCi, select the overlay area of the base station of corresponding same BSCi.
Preferable, convenient for subsequent operation, the base station coverage area of corresponding the same area property value is included into a regional ensemble, and preserves in order, can adopt structures such as formation or chained list, the base station coverage area of different attribute value then is included into different regional ensembles.
Step 205: from a certain regional ensemble that step 204 obtains, get 2 the overlay area BSi and the BSj that are not labeled.
Step 206: judge whether overlay area BSi and BSj are syntoples, if then BSi and BSj are merged, with the zone boundary of the zone C of the border except that public boundary among BSi and the BSj after as BSi and BSj merging, and in set, replacing BSi and BSj with C, mark C is " comparing "; Otherwise mark BSj is " comparing ".Continuation compares BSi (or C) with other polygonal region that is not labeled, judged whether syntople, repeats this step.
For example, the border of BSi is BSi-0, BSi-1, BSi-2, BSi-3, BSi-4 and BSi-5, the border of BSj is BSj-0, BSj-1, BSj-2, BSj-3, BSj-4 and BSj-5, and BSi-1 overlaps with BSj-4, if BSi and BSj are not overlapping, then the border of zone C is BSi-0, BSi-2, BSi-3, BSi-4, BSi-5, BSj-0, BSj-1, BSj-2, BSj-3 and BSj-5; If BSi and BSj are overlapping, and BSj covers BSi fully, and then the border of zone C is BSj-0, BSj-1, BSj-2, BSj-3, BSj-4 and BSj-5.
Step 207: judge in the set whether the polygon overlay area that is not labeled is arranged,, then BSi (or C) is compared with the polygon overlay area that is not labeled, continue step 206, otherwise continue step 208 if having.
Step 208: BSi (or C) is labeled as " traveling through ", and unmarked in the cancellation set is the mark of the polygon overlay area of " traveling through ", i.e. cancellation " comparing " mark.Continue step 209.
Step 209: judge in the set whether the polygon overlay area that is not labeled is arranged,, continue step 205, otherwise continue step 210 if having.
Step 210: judge whether the polygon overlay area in the All Ranges set all is labeled as " traveling through ", if, then obtaining final same attribute overlay area, the border in zone is exactly with the attribute coverage area boundaries, otherwise, continue step 209.
Present embodiment is when drawing the base station coverage area border according to base station location, but the applied geography information system has algorithm now, in order to draw out and the more identical base station coverage area in actual coverage area territory, improve drawing base station coverage area border process, increased the precision of drawing, the process of promptly drawing below the overlay area of cell-level the zone boundary of drawing cell coverage area is introduced.
In the process of drawing the cell coverage area border, position according to the base station obtains the deviation post point, when drawing the cell coverage area border, the existing algorithm of applied geography information system carries out according to this deviation post point, the quantity of deviation post point is consistent with the quantity of antenna for base station, deviation post point relatively be evenly distributed in the base station around, with the base station at a distance of short distance, as stipulate 5～10 meters etc.Present embodiment also provides a kind of method of preferable definite deviation post point, and according to this deviation post point-rendering cell coverage area border.Referring to shown in Figure 3, the method flow of drawing the cell coverage area border in the present embodiment is as follows:
Step 301: the position and the skew parameter that obtain the base station.The skew parameter comprises the height of antenna azimuth, antenna tilt, maximum transmission power and the antenna of base station.
Step 302: position and skew parameter according to the base station obtain the deviation post point, the corresponding deviation post point of antenna, corresponding one or more antenna in sub-district.Concrete mode is as follows:
For example, the position coordinates of certain base station be (x, y), this base station comprises the N root, wherein the coordinate of the pairing deviation post point of i root antenna corresponding district be (Xi, Yi), then:
Xi＝x+len*(w1*d*ctgφi+w2*pi)sinθi；
Yi＝y+len*(w1*d*ctgφi+w2*pi)cosθi；
D is the height of i root antenna, φ i is the antenna tilt of i root antenna, pi is the maximum transmission power of i root antenna, θ i is the antenna azimuth of i root antenna, w1 and w2 are that (be used to adjust the significance level that respectively is offset parameter, significance level is high more, and the value of weight is big more for predetermined weights, usually the span of weight is between 0～1), len is default step-length (as 0.1 meter).
Step 303: with the deviation post point that above-mentioned steps is determined, applying step 202 described existing computer aided algorithms are drawn cell coverage area and border.Go out a cell coverage area according to a deviation post point-rendering, can identify the combined mark cell coverage area with cell ID and antenna.
Prior art is drawn out base station coverage area earlier usually when drawing cell coverage area, then according to the azimuth of antenna rigid be that basic point is divided base station coverage area with the base station, obtain cell coverage area.The cell coverage area that this mode obtains is bigger with actual ratio error mutually, the more approaching actual coverage condition of the cell coverage area that present embodiment is drawn out.
If the algorithm of the zone boundary of the overlay area (base station coverage area or cell coverage area) of drawing satisfies: each coordinate points subordinate and only be subordinated to an overlay area all in the communication network coverage area territory, that is: between the overlay area fully and do not have and divide the communication network coverage area territory across, and, all coordinate points in each overlay area possess identical characteristics, and all coordinate points that promptly possess this characteristic all belong to same connection overlay area; The zone boundary of the same attribute overlay area of then drawing out is more satisfactory.But have problems such as redundant data or configuration error during owing to system maintenance, may there be some errors in the zone boundary of the same attribute overlay area that above-mentioned steps is drawn out with the overlay area of reality.For example, shown in the following table:
| Cell name | Longitude | Latitude | Attribute with attribute overlay area (as BSC) | Explanation |
| ??A | ??121.1 | ??31.1 | ?BSC1-1 | Correct record |
| ??A | ??121.1 | ??31.1 | ?BSC2-1 | Redundant recording |
Owing to there is a redundant data, the A sub-district has corresponded to two different same attribute overlay areas, the same attribute overlay area of drawing out thus as shown in Figure 4, the BSC13-1 of shaded side, BSC13-3, BSC13-4, BSC13-6 and BSC13-7 are all owing to existing redundant data to draw out, the same attribute overlay area that the BSC13-1 of shaded side, BSC13-3, BSC13-4, BSC13-6 and BSC13-7 are of the same name with it is spatially cut apart, and has stacked relation with other with the attribute overlay area.
In order to revise the drafting error that is caused by other problems such as redundant datas, present embodiment further carries out verification to the zone boundary with the attribute overlay area behind the zone boundary of drawing out with the attribute overlay area.This checking procedure can manually be finished also and can finish automatically, introduces a kind of method of automatic verification below.
Referring to Fig. 5, as follows in the present embodiment to the implementation procedure of carrying out verification with the zone boundary of attribute overlay area:
Step 501: judge one with attribute overlay area set C whether by on a plurality of spaces not the polygon overlay area of adjacency form, if, then to each polygon overlay area execution in step 502, otherwise process ends.
Step 502: whether certain service attribute of judging the polygon overlay area respectively reaches default threshold value, and this service attribute can be telephone traffic, the network characteristic that available digital such as number of users characterize.If then keep this polygon overlay area, otherwise judge that it is a redundant data, execution in step 503.
Step 503: judge whether to exist with attribute overlay area set D, make this polygon overlay area spatially really be contained in D, promptly judge the polygon overlay area spatially whether with the polygon covering area overlapping that has kept among the attribute overlay area set D, if, execution in step 504; If not, execution in step 505.
Step 504: from former regional ensemble C, remove this polygon overlay area, be equivalent to this polygon overlay area is merged to the polygon overlay area that has kept with among the attribute overlay area set D.
Step 505: from former regional ensemble C, take out this polygon overlay area, make certain polygon overlay area that belongs to of this polygon overlay area and arbitrary adjacency merge, substitute former zone boundary with the border that merges rear region with attribute overlay area E.The property value that merges rear region is consistent with the property value of area E.
Wherein, step 502 also can be carried out after step 503, after being execution in step 501, execution in step 503, exist when overlapping in judgement,, judge whether its attribute reaches threshold value overlapping polygon overlay area execution in step 502, keep the polygon overlay area that reaches threshold value, deletion does not reach the polygon overlay area of threshold value.Do not exist when overlapping judging, to polygon overlay area execution in step 502, the polygon overlay area that will not reach threshold value then merges to the polygon overlay area that is adjacent and reaches threshold value.
Through above-mentioned checking procedure, obtain schematic diagram as shown in Figure 6, as seen, removed the inaccuracy factor of bringing because of factors such as redundant datas.
By above description, understood the process of drawing with the attribute overlay area, present embodiment provides a kind of device in order to realize this process.Referring to shown in Figure 7, the device that is used to draw with the attribute coverage area boundaries comprises: drafting module 701 and merging module 702.
Merge the overlay area merging that module 702 is used for having syntople and corresponding the same area property value, and substitute the border of former overlay area with the zone boundary after merging; When corresponding the same area property value and overlay area (comprising base station coverage area or cell coverage area) when all having carried out merging, obtain zone boundary with the attribute overlay area with syntople.
This device can also comprise and is used for the verification module 703 of verification with the attribute overlay area, referring to shown in Figure 8.This device also comprises interface module 704, and interface module 704 is used to obtain base station location and skew parameter etc., and the same attribute coverage area boundaries output that will draw out, is output to display or printing device etc.And this device comprises and is used to store base station location, skew parameter and the overlay area of drawing out and with the memory module 705 of information such as attribute overlay area.
Be used to realize that the software of the embodiment of the invention can be stored in storage mediums such as floppy disk, hard disk, CD and flash memory.
The overlay area merging that the embodiment of the invention will have same property value and adjoin each other, substitute the border of former overlay area with the border that merges the overlay area, back, when the overlay area of corresponding the same area property value is all merged, determine the zone boundary of final same attribute overlay area, realized determining with the automatic of zone boundary of attribute overlay area, save human resources, and improved definite result's accuracy.The embodiment of the invention also by according to deviation post point-rendering cell coverage area, mode is relatively waited in the cell coverage area and the actual geographic area of drawing out, makes the cell coverage area of drawing out more near the actual coverage area territory.And, the embodiment of the invention is by to the verification with the attribute overlay area, checks out the mistake that factor such as redundant data is brought, and to handling the same attribute overlay area of mistake, same attribute overlay area after obtaining upgrading further coincide the same attribute overlay area of determining with reality.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (13)
1, a kind of method of definite communication zone boundaries is characterized in that, may further comprise the steps:
Draw out the overlay area and the zone boundary of each base station according to the position of each base station, wherein there is syntople in the overlay area of adjacent base station;
Will respectively have the overlay area of syntople and corresponding the same area property value merge, substitute the zone boundary of merged overlay area with the zone boundary in the zone that obtains after merging, obtain zone boundary with the attribute overlay area.
2, the method for claim 1 is characterized in that, the overlay area of described base station comprises the overlay area of jurisdiction district, base station; There is syntople between the overlay area of jurisdiction district, same base station;
According to drawing out the overlay area of each jurisdiction district, base station and the step of zone boundary comprises in the position of each base station:
Position according to each base station obtains the deviation post point;
Go out the overlay area and the zone boundary of each jurisdiction district, base station according to the deviation post point-rendering.
3, method as claimed in claim 2 is characterized in that, obtains in the process of deviation post point in the position according to each base station, further comprises the step of determining deviation post point according to the skew parameter.
4, method as claimed in claim 3 is characterized in that, the skew parameter comprises in antenna azimuth, antenna tilt, maximum transmission power and the antenna height of base station one or multinomial.
5, method as claimed in claim 4 is characterized in that, the mode that obtains deviation post point according to the position of each base station and skew parameter is:
Xi＝x+len*(w1*d*ctgφi+w2*pi)sinθi；
Yi＝y+len*(w1*d*ctgφi+w2*pi)cosθi；
(x, y) be the two-dimensional coordinate of base station location, (Xi, Yi) be the two-dimensional coordinate of the pairing deviation post point of i root antenna, d is an antenna height, and φ i is the antenna tilt of i root antenna, pi is the maximum transmission power of i root antenna, θ i is the antenna azimuth of i root antenna, and w1 and w2 are predetermined weights, and len is default step-length.
6, the method for claim 1 is characterized in that, before the overlay area that will have syntople and corresponding the same area property value merges, adjusts the border of each overlay area according to actual geographic area; Perhaps
Under the situation that obtains described zone boundary with the attribute overlay area, adjust zone boundary with the attribute overlay area according to actual geographic area.
7, the method for claim 1 is characterized in that, will respectively have the overlay area of syntople and corresponding the same area property value merge, the step that substitutes the zone boundary of merged overlay area with the zone boundary in the zone that obtains after merging comprises:
Whether two overlay areas judging corresponding the same area property value have syntople, if, then two overlay areas being merged, the judgement of syntople is proceeded whether to have in the overlay area of the corresponding the same area property value with other in the zone after being combined; Otherwise, when having corresponding the same area property value and unlabelled overlay area, another overlay area and unlabelled overlay area are proceeded whether to have the judgement of syntople with one of them overlay area mark.
8, as each described method in the claim 1 to 7, it is characterized in that, also comprise:, verification is carried out in this zone boundary with the attribute overlay area when the same attribute overlay area that obtains comprises a plurality ofly when not having syntople regional.
9, method as claimed in claim 8 is characterized in that, the step that verification is carried out in this zone boundary with the attribute overlay area comprises:
Judge respectively whether the service attribute with a plurality of zones in the attribute overlay area reaches default threshold value;
Keep the zone that reaches threshold value, the zone that does not reach threshold value is merged to the zone that is adjacent and keeps;
To be somebody's turn to do with the attribute overlay area with the zone that has kept the conduct of attribute overlay area correspondence.
10, a kind of device that is used for determining communication zone is characterized in that, comprising:
Drafting module is used for drawing out according to the position of each base station the overlay area and the zone boundary of each base station, and wherein there is syntople in the overlay area of adjacent base station;
Merge module, the overlay area that is used for respectively having syntople and corresponding the same area property value merges, and substitutes the zone boundary of merged overlay area with the zone boundary in the zone that obtains after merging, obtains the zone boundary with the attribute overlay area.
11, device as claimed in claim 10 is characterized in that, also comprises:
The verification module is used for verification is carried out in the zone boundary with the attribute overlay area.
12, device as claimed in claim 10 is characterized in that, also comprises:
Interface module is used to obtain base station location.
13, device as claimed in claim 10 is characterized in that, also comprises:
Memory module is used to store base station location, the overlay area of drawing out and with the zone boundary of attribute overlay area.
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| CN108668289A (en) * | 2018-05-07 | 2018-10-16 | 北京科技大学 | A kind of extracting method of mobile communications network zone boundary to be optimized |
| CN113316161A (en) * | 2020-12-01 | 2021-08-27 | 广州天越电子科技有限公司 | Method for judging discontinuous cell coverage of digital indoor division design scheme |
| CN113316161B (en) * | 2020-12-01 | 2023-01-17 | 广州天越电子科技有限公司 | Method for judging discontinuous cell coverage of digital indoor division design scheme |
| CN113663331A (en) * | 2021-08-03 | 2021-11-19 | 网易（杭州）网络有限公司 | Identification generation method and device, nonvolatile storage medium and electronic device |
| CN113663331B (en) * | 2021-08-03 | 2024-07-19 | 网易（杭州）网络有限公司 | Identification generation method and device, nonvolatile storage medium and electronic device |
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