CN104717742A - Method and system for carrying out debugging on base station database based on GPS positioning - Google Patents
Method and system for carrying out debugging on base station database based on GPS positioning Download PDFInfo
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- CN104717742A CN104717742A CN201310684209.XA CN201310684209A CN104717742A CN 104717742 A CN104717742 A CN 104717742A CN 201310684209 A CN201310684209 A CN 201310684209A CN 104717742 A CN104717742 A CN 104717742A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
Abstract
The embodiment of the invention discloses a method and system for carrying out debugging on a base station database based on GPS positioning. The method comprises the steps that one cell in a mobile communication network serves as a current cell, LBS positioning is continuously and repeatedly carried out on all mobile phone terminals j not moving in n mobile phone terminals in a current cell coverage area m times, and m LBS positioning position coordinates of the n mobile phone terminals are obtained, and the average value of the m LBS positioning position coordinates is obtained; the average value of the LBS positioning position coordinates, obtained m times, of the mobile phone terminal j and the positioning position deviation distances between GPS positioning position coordinates are obtained; the average value of the positioning position deviation distances of the n mobile phone terminals is obtained, and whether the base station information of the current cell in the base station database is accurate or not is determined according to the fact about whether the average value is larger than the preset threshold value. According to the method and system, automatic inquiry of the mistaken base station information in the base station database can be achieved.
Description
Technical field
The present invention relates to the communication technology, especially a kind of method and system based on GPS location, base station data storehouse being carried out to debugging.
Background technology
The latitude and longitude coordinates signal that GPS (Global Position System) (Global Positioning System, GPS) is located through reception gps satellite to be provided positions.The advantage of GPS location is accurate, as long as can receive the framing signal of four satellites, just can carry out the location of deviation within 5-10 rice.
Shift position base station system (Location Based Service, LBS) calculates the position at mobile phone terminal place by the base station signal difference of mobile communication.In theory, as long as calculate the signal difference of three base stations, just can judge the position at mobile phone terminal place, the accuracy of LBS architecture is not from 500-5000 rice etc.As shown in Figure 1, be the positioning principle schematic diagram of LBS localization method.
See Fig. 1, if three base stations (BS) are respectively BS1, BS2 and BS3.Measured mobile phone terminal and the distance of three base stations are respectively r1, r2 and r3, respectively with three base station BSs 1, BS2 and BS3 for the center of circle, with r1, r2 and r3 for radius does circle, obtain location model as shown in Figure 1.Coordinate (the x1 of three base station BSs 1, BS2 and BS3 position, y1), (x2, y2), (x3, y3) is the latitude and longitude of base station that the Serving cell information such as mark (ID), abutting subdistrict ID etc. reported by mobile phone terminal is found from base station data storehouse.Base station data storehouse comprises: Mobile Country Code MCC (Mobile Country Code, MCC), the information such as mobile network number (Mobile Network Code, MNC), base station controller (BSC) numbering, base station numbering, community ID, the longitude of base station, place, community, the latitude of base station, place, community.
The position (x, y) of mobile phone terminal should the centre of three somes A, B, C in FIG:
(x
1-x)
2+(y
1-y)
2≤r
1 2
(x
2-x)
2+(y
2-y)
2≤r
2 2
(x
3-x)
2+(y
3-y)
2≤r
3 2
By three formulas simultaneous between two, obtain:
Solve all solutions of three equation group, the coordinate of A, B, C tri-points can be calculated:
x＝(x
A+x
B+x
C)/3
y＝(y
A+y
B+y
C)/3
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
If because the reasons such as base station adjustment (mobile communications operator is subject to variation at any time, increase, delete base station numbering), manual typing mistake cause base station data storehouse to upgrade not in time, or the base station information in typing base station data storehouse is forbidden, coordinate position (the x1 of three base station BSs 1, BS2 and BS3 in above-mentioned formula, y1), (x2, y2), (x3, y3) just there will be mistake, thus cause the mobile phone terminal position (x, y) calculated to produce very large deviation.
Existing method needs manually to find which running fix position result distance physical location deviation is very large by methods such as analyzing and positioning form, location daily record, drive test for network optimization, customer complaints, thus suspect that the information of associated base stations in base station data storehouse is inaccurate, go again to search correction, reaction is slow, cycle is long, and workload is large.
Summary of the invention
Embodiment of the present invention technical problem to be solved is: provide a kind of method and system based on GPS location, base station data storehouse being carried out to debugging, to realize the Automatic inquirying of base station information mistake in base station data storehouse.
A kind of method of based on GPS location, base station data storehouse being carried out to debugging that the embodiment of the present invention provides, comprising:
Using the community of in mobile communications network as current area, respectively to each mobile phone terminal j in n mobile phone terminal of occurrence positions movement non-in overlay area, current area, repeat m shift position base station system LBS continuously to locate, obtain m the LBS position location coordinate (X_i_j_LBS of each mobile phone terminal j in n mobile phone terminal, Y_i_j__LBS), i represents mobile phone terminal j, and in current area, i-th LBS locates, i=1 ~ m, j=1 ~ n, m, n be greater than 1 integer;
Obtain the mean value of m the LBS position location coordinate of mobile phone terminal j:
X_j_LBS＝∑X_i_j_LBS／m，Y_j_LBS＝∑Y_i_j_LBS／m；
Obtain the position location offset distance between the mean value of m the LBS position location coordinate of mobile phone terminal j and GPS (Global Position System) GPS position location coordinate (X_j_GPS, Y_j_GPS):
d_j=((X_j_LBS-X_j_GPS)^2+(Y_j_LBS-Y_j_GPS)^2)^(1/2)；
Obtain the mean value d_adv=∑ d_j/n of n mobile phone terminal position location offset distance;
Whether the base station information whether being greater than current area in predetermined threshold value determination base station data storehouse according to mean value d_adv is accurate, determines that the base station information of current area in base station data storehouse is inaccurate when mean value d_adv is greater than predetermined threshold value.
In another embodiment of said method of the present invention, also comprise:
When m LBS location is repeated continuously to n mobile phone terminal, also GPS location is repeated repeatedly continuously to this n mobile phone terminal, obtain multiple GPS position locations coordinate;
Described GPS position location coordinate (X_j_GPS, Y_j_GPS) is in the coordinate of multiple GPS position locations.
In another embodiment of said method of the present invention, also comprise:
Whether change by locating to the continuous repeatedly GPS of the mobile phone terminal of the p in overlay area, current area the multiple GPS position locations coordinate obtained, determine whether occurrence positions moves p mobile phone terminal, obtain n mobile phone terminal of non-occurrence positions movement from p mobile phone terminal, p is the integer being more than or equal to n.
In another embodiment of said method of the present invention, p mobile phone terminal is the whole mobile phone terminals in overlay area, current area.
In another embodiment of said method of the present invention, successively to each mobile phone terminal j in n mobile phone terminal, perform and describedly repeat m shift position base station system LBS continuously and be positioned to the operation obtaining position location offset distance; Or, simultaneously to each mobile phone terminal j in n mobile phone terminal, perform and describedly repeat m shift position base station system LBS continuously and be positioned to the operation obtaining position location offset distance.
In another embodiment of said method of the present invention, also comprise the operation determining predetermined threshold value in the following way:
The longitude and latitude of the longitude and latitude of current area serving BS and the adjoining base station nearest apart from this serving BS is found from base station data storehouse, get the half of the spacing of serving BS and this adjoining base station, as the covering radius r of current area, using the product of the covering radius r of current area and default correction factor α as predetermined threshold value.
A kind of system of based on GPS location, base station data storehouse being carried out to debugging that the embodiment of the present invention provides, comprise for storing mobile communication network Zhong Ge community mobile user identification ID VLR Visitor Location Register VLR, for the mobile fine positioning platform that adopts GPS (Global Position System) GPS localization method to position mobile phone terminal and the mobile coarse positioning platform for adopting shift position base station system LBS localization method to position mobile phone terminal, also comprise:
Location error checking system, for using the community of in mobile communications network as current area, respectively to each mobile phone terminal j in n mobile phone terminal of occurrence positions movement non-in overlay area, current area, repeat m LBS location continuously, obtain m LBS position location coordinate (X_i_j_LBS, Y_i_j__LBS) of each mobile phone terminal j in n mobile phone terminal, i represents mobile phone terminal j, and in current area, i-th LBS locates, i=1 ~ m, j=1 ~ n, m, n be greater than 1 integer; Obtain the mean value of m the LBS position location coordinate of mobile phone terminal j: X_j_LBS=∑ X_i_j_LBS/m, Y_j_LBS=∑ Y_i_j_LBS/m; Obtain the position location offset distance between the mean value of m the LBS position location coordinate of mobile phone terminal j and GPS position location coordinate (X_j_GPS, Y_j_GPS): d_j=((X_j_LBS-X_j_GPS) ^2+ (Y_j_LBS-Y_j_GPS) ^2) ^ (1/2); Obtain the mean value d_adv=∑ d_j/n of n mobile phone terminal position location offset distance; Whether the base station information whether being greater than current area in predetermined threshold value determination base station data storehouse according to mean value d_adv is accurate, determines that the base station information of current area in base station data storehouse is inaccurate when mean value d_adv is greater than predetermined threshold value.
In another embodiment of said system of the present invention, described location error checking system, also for when repeating m LBS location continuously to n mobile phone terminal, repeats repeatedly GPS location continuously to this n mobile phone terminal, obtains multiple GPS position locations coordinate;
Described GPS position location coordinate (X_j_GPS, Y_j_GPS) is in the coordinate of multiple GPS position locations.
In another embodiment of said system of the present invention, described location error checking system, also for whether changing by locating to the continuous repeatedly GPS of the mobile phone terminal of the p in overlay area, current area the multiple GPS position locations coordinate obtained, determine whether occurrence positions moves p mobile phone terminal, obtain n mobile phone terminal of non-occurrence positions movement from p mobile phone terminal, p is the integer being more than or equal to n.
In another embodiment of said system of the present invention, p mobile phone terminal is the whole mobile phone terminals in overlay area, current area.
In another embodiment of said system of the present invention, described location error checking system, concrete successively to each mobile phone terminal j in n mobile phone terminal, perform and describedly repeat the operation that m time shift position base station system LBS is positioned to acquisition position location offset distance continuously; Or, simultaneously to each mobile phone terminal j in n mobile phone terminal, perform and describedly repeat m shift position base station system LBS continuously and be positioned to the operation obtaining position location offset distance.
In another embodiment of said system of the present invention, described location error checking system, also for storing described predetermined threshold value:
Described predetermined threshold value pre-determines in the following way: the longitude and latitude finding the longitude and latitude of current area serving BS and the adjoining base station nearest apart from this serving BS from base station data storehouse, get the half of the spacing of serving BS and this adjoining base station, as the covering radius r of current area, using the product of the covering radius r of current area and default correction factor α as predetermined threshold value.
Based on the method and system based on GPS location, base station data storehouse being carried out to debugging that the above embodiment of the present invention provides, using the community of in mobile communications network as current area, respectively to each mobile phone terminal j in n mobile phone terminal of occurrence positions movement non-in overlay area, current area, repeat m shift position base station system LBS continuously to locate, obtain m the LBS position location coordinate of each mobile phone terminal j in n mobile phone terminal and obtain its mean value, obtain the position location offset distance between the mean value of m the LBS position location coordinate of mobile phone terminal j and GPS (Global Position System) GPS position location coordinate, and obtain the mean value of n mobile phone terminal position location offset distance further, whether the base station information whether being greater than current area in predetermined threshold value determination base station data storehouse according to mean value d_adv is accurate.Compared with prior art, the embodiment of the present invention achieves the Automatic inquirying to base station information mistake in base station data storehouse, automatically which base station data in the base station data storehouse in movable positioning system can be searched wrong, method is simple, do not need drive test to search, can be scanned by the whole network, automatically navigate to problematic community, search speed is fast, saves a large amount of manpowers.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of the invention provides in order to example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Accompanying drawing explanation
What form a part for specification drawings describes embodiments of the invention, and is used from explanation principle of the present invention together with description one.
With reference to accompanying drawing, according to detailed description below, clearly the present invention can be understood, wherein:
Fig. 1 the present invention is based on a method embodiment of debugging is carried out in GPS location flow chart to base station data storehouse.
Fig. 2 the present invention is based on a method Application Example of debugging is carried out in GPS location flow chart to base station data storehouse.
Fig. 3 the present invention is based on a system embodiment of debugging is carried out in GPS location structural representation to base station data storehouse.
Embodiment
Various exemplary embodiment of the present invention is described in detail now with reference to accompanying drawing.It should be noted that: unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit the scope of the invention.
Meanwhile, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not draw according to the proportionate relationship of reality.
Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the present invention and application or use.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part for specification.
In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
Fig. 1 the present invention is based on a method embodiment of debugging is carried out in GPS location flow chart to base station data storehouse.As shown in Figure 1, this embodiment comprises the method that debugging is carried out in base station data storehouse based on GPS location:
110, using the community of in mobile communications network as current area, respectively to each mobile phone terminal j in n mobile phone terminal of occurrence positions movement non-in overlay area, current area, repeat m LBS location continuously, obtain m LBS position location coordinate (X_i_j_LBS, Y_i_j__LBS) of each mobile phone terminal j in n mobile phone terminal.
Wherein, i represent mobile phone terminal j in current area i-th LBS location, i=1 ~ m, j=1 ~ n, m, n be greater than 1 integer.
120, obtain the mean value of m the LBS position location coordinate of mobile phone terminal j:
X_j_LBS＝∑X_i_j_LBS／m，Y_j_LBS＝∑Y_i_j_LBS／m。
130, obtain the position location offset distance between the mean value of m the LBS position location coordinate of mobile phone terminal j and GPS position location coordinate (X_j_GPS, Y_j_GPS): d_j=((X_j_LBS-X_j_GPS) ^2+ (Y_j_LBS-Y_j_GPS) ^2) ^ (1/2).
140, obtain the mean value of n mobile phone terminal position location offset distance:
d_adv=∑d_j/n。
150, whether the base station information whether being greater than current area in predetermined threshold value determination base station data storehouse according to mean value d_adv is accurate.
Determine that when mean value d_adv is greater than predetermined threshold value the base station information of current area in base station data storehouse is inaccurate.Otherwise, if mean value d_adv is not more than predetermined threshold value, can determine that the base station information of current area in base station data storehouse is accurate.
Afterwards, successively using other community in mobile communications network as current area, the embodiment shown in Fig. 1 can be performed, to realize the inquiry to base station information whole in base station data storehouse.
Based on the method for based on GPS location, base station data storehouse being carried out to debugging that the above embodiment of the present invention provides, using the community of in mobile communications network as current area, respectively to each mobile phone terminal j in n mobile phone terminal of occurrence positions movement non-in overlay area, current area, repeat m shift position base station system LBS continuously to locate, obtain m the LBS position location coordinate of each mobile phone terminal j in n mobile phone terminal and obtain its mean value, obtain the position location offset distance between the mean value of m the LBS position location coordinate of mobile phone terminal j and GPS (Global Position System) GPS position location coordinate, and obtain the mean value of n mobile phone terminal position location offset distance further, whether the base station information whether being greater than current area in predetermined threshold value determination base station data storehouse according to mean value d_adv is accurate.Compared with prior art, the embodiment of the present invention achieves the Automatic inquirying to base station information mistake in base station data storehouse, automatically which base station data in the base station data storehouse in movable positioning system can be searched wrong, method is simple, do not need drive test to search, can be scanned by the whole network, automatically navigate to problematic community, search speed is fast, saves a large amount of manpowers.
The present invention is based on GPS location carry out in another embodiment of method of debugging to base station data storehouse, when m LBS location is repeated continuously to n mobile phone terminal, also to GPS location can be repeated repeatedly continuously by this n mobile phone terminal, obtain multiple GPS position locations coordinate.GPS position location coordinate (X_j_GPS, Y_j_GPS) in embodiment illustrated in fig. 1 is one that chooses arbitrarily from the coordinate of multiple GPS position locations.
The present invention is based on GPS location carry out in another embodiment of method of debugging to base station data storehouse, can also comprise: whether change by locating to the continuous repeatedly GPS of the mobile phone terminal of the p in overlay area, current area the multiple GPS position locations coordinate obtained, determine whether occurrence positions moves p mobile phone terminal, obtain n mobile phone terminal of non-occurrence positions movement from p mobile phone terminal.Wherein, p is the integer being more than or equal to n.
Exemplarily, whether accurately p mobile phone terminal can be the whole mobile phone terminals in overlay area, current area, thus improve the base station information accuracy determining current area.
Particularly, in the embodiment shown in fig. 1, successively to each mobile phone terminal j in n mobile phone terminal, the operation of 110 ~ 130 can be performed, that is: perform and repeat the operation that m time shift position base station system LBS is positioned to acquisition position location offset distance continuously; Or, simultaneously to each mobile phone terminal j in n mobile phone terminal, the operation of 110 ~ 130 can also be performed, that is: perform and repeat the operation that m time shift position base station system LBS is positioned to acquisition position location offset distance continuously.
The present invention is based on GPS location carry out, in another embodiment of method of debugging, also comprising the operation determining predetermined threshold value in the following way to base station data storehouse:
The longitude and latitude of the longitude and latitude of current area serving BS and the adjoining base station nearest apart from this serving BS is found from base station data storehouse, get the half of the spacing of serving BS and this adjoining base station, as the covering radius r of current area, using the product of the covering radius r of current area and default correction factor α as predetermined threshold value.
Fig. 2 the present invention is based on a method Application Example of debugging is carried out in GPS location flow chart to base station data storehouse.This embodiment can by a location error checking system as shown in Figure 2, and this Application Example comprises:
210, to the mobile phone terminal j(in overlay area, current area namely location error checking system passes through the mobile fine positioning platform of network side: the mobile subscriber ID=j under the community ID of current area) carry out GPS location.
Location error checking system can obtain the mobile subscriber ID in overlay area, current area from VLR Visitor Location Register (VLR).
220, location error checking system receives the GPS position location coordinate (X_i_j_GPS that mobile fine positioning platform returns, Y_i_j__GPS) after, by the running fix of network side thick platform, LBS location is carried out to the same mobile phone terminal j in overlay area, current area at once, receive and record LBS position location coordinate (X_i_j_LBS, Y_i_j__LBS).Wherein, i represents i-th location of same mobile phone terminal j in current area.
230, respectively by mobile fine positioning platform and running fix thick platform, GPS location and LBS location are repeated repeatedly continuously to same mobile phone terminal j.
240, receive the GPS position location coordinate (X_i_j_GPS representing GPS positioning result at every turn, Y_i_j__GPS), after, by GPS position location coordinate (X_i_j_GPS, Y_i_j_GPS), location error checking system judges whether the GPS position location of this same mobile phone terminal j is moved.
If the GPS position location of this same mobile phone terminal j is moved (or being moved beyond 20 meters), no longer continue to initiate Location Request.
If the repeatedly GPS position location of this same mobile phone terminal j is not moved (or movement is less than 20 meters), Location Request number of times can be more, and the debugging effect of the more embodiment of the present invention of number of times is better.
250, calculate the mean value X_j_LBS=∑ X_i_j_LBS/m of these LBS position location coordinate, Y_j_LBS=∑ Y_i_j_LBS/m, i=1 ~ m, m are the number of times of continuous resetting.Preserve the initiation time Start_time of this group location, the mobile subscriber ID of mobile phone terminal j, ID, GPS position location, current area coordinate (X_j_GPS, Y_j_GPS), the result such as mean value (X_j_LBS, Y_j_LBS) of GPS position location coordinate is in the error checking system of location.
Because GPS location does not change substantially, GPS position location coordinate (X_j_GPS, Y_j_GPS) selects one (X_i_j_GPS, Y_i_j_GPS) is inner.
260, location error checking system calculates position location offset distance d_j=((X_j_LBS-X_j_GPS) ^2+ (Y_j_LBS-Y_j_GPS) ^2) ^ (1/2) between the mean value of the GPS position location coordinate of same mobile phone terminal j and the mean value of LBS position location coordinate, and location initiation time Start_time, mobile subscriber ID, the current area ID of mobile phone terminal j, position location offset distance d_j is preserved as a result.
270, the mobile phone terminal that location error checking system is corresponding to all other the mobile subscriber ID in the ID of this current area repeats aforesaid operations 210 ~ 260, to complete in current area after the scanning of whole mobile phone terminal, calculate the mean value d_adv=∑ d_j/n all completing the position location offset distance of the mobile phone terminal of above-mentioned step aforesaid operations 210 ~ 260, j=1 ~ n, n are the quantity being successfully completed effective mobile phone terminal of aforesaid operations 210 ~ 260 in this current area.
280, location error checking system judges whether the average d_adv of the position location offset distance of this current area is greater than predetermined threshold value, thus whether base station information in determining the base station data storehouse that current area is corresponding is wrong.
If be greater than predetermined threshold value, judge that the base station information that in base station data storehouse, this current area ID is corresponding is wrong.For dense distribution district and the countryside of base station, the value difference of predetermined threshold value is larger.Predetermined threshold value can be chosen by the following method: the longitude and latitude finding the longitude and latitude of this base station, place, current area and the adjoining base station nearest apart from this base station, place, current area in base station data storehouse, get the half of the distance of two base stations, as the covering radius r of this community, then be multiplied by a correction factor α.Wherein, correction factor α can change according to actual conditions are descending.In practical application, the product of correction factor α and coverage radius of cell r can change from big to small between 10km is to 300 meters, and the step-length of change can be changed to original 1/3 at every turn.The value of correction factor α is larger, and predetermined threshold value is larger, determines and occurs that the base station number of base station information mistake is fewer.For the incorrect base station information that error is little, if be not more than predetermined threshold value, just cannot determine its base station information mistake, thus occur failing to judge.The value of correction factor α more under, predetermined threshold value is less, because the precision of LBS location itself is not high, if predetermined threshold value is too little, such as be less than the positioning precision of base station, the result of determination of great majority or whole base station information mistake will be caused, thus the possibility of erroneous judgement be larger.
290, location error checking system performs aforesaid operations 210 ~ 280 to other community in mobile communications network successively, thus realizes calculating the scanning of the whole communities in mobile communications network, realizes the debugging to base station information whole in base station data storehouse.
Fig. 3 the present invention is based on a system embodiment of debugging is carried out in GPS location structural representation to base station data storehouse.The system of this embodiment can be used in the present invention the flow process of above-mentioned each embodiment of the method.As shown in Figure 3, this embodiment comprises the system that debugging is carried out in base station data storehouse based on GPS location: VLR Visitor Location Register (VLR), mobile fine positioning platform, mobile coarse positioning platform and location error checking system.Wherein:
VLR, for storing mobile communication network Zhong Ge community mobile user identification (ID).
Mobile fine positioning platform, positions mobile phone terminal for adopting GPS localization method.
Mobile coarse positioning platform, positions mobile phone terminal for adopting shift position base station system LBS localization method.
Location error checking system, for using the community of in mobile communications network as current area, respectively to each mobile phone terminal j in n mobile phone terminal of occurrence positions movement non-in overlay area, current area, repeat m LBS location continuously, obtain m LBS position location coordinate (X_i_j_LBS, Y_i_j__LBS) of each mobile phone terminal j in n mobile phone terminal, i represents mobile phone terminal j, and in current area, i-th LBS locates, i=1 ~ m, j=1 ~ n, m, n be greater than 1 integer; Obtain the mean value of m the LBS position location coordinate of mobile phone terminal j: X_j_LBS=∑ X_i_j_LBS/m, Y_j_LBS=∑ Y_i_j_LBS/m; Obtain the position location offset distance between the mean value of m the LBS position location coordinate of mobile phone terminal j and GPS position location coordinate (X_j_GPS, Y_j_GPS): d_j=((X_j_LBS-X_j_GPS) ^2+ (Y_j_LBS-Y_j_GPS) ^2) ^ (1/2); Obtain the mean value d_adv=∑ d_j/n of n mobile phone terminal position location offset distance; And whether accurately whether be greater than the base station information of current area in predetermined threshold value determination base station data storehouse according to mean value d_adv, determine when mean value d_adv is greater than predetermined threshold value that the base station information of current area in base station data storehouse is inaccurate.
Based on the system of based on GPS location, base station data storehouse being carried out to debugging that the above embodiment of the present invention provides, using the community of in mobile communications network as current area, respectively to each mobile phone terminal j in n mobile phone terminal of occurrence positions movement non-in overlay area, current area, repeat m shift position base station system LBS continuously to locate, obtain m LBS position location coordinate of n mobile phone terminal and obtain its mean value, obtain the position location offset distance between the mean value of m the LBS position location coordinate of mobile phone terminal j and GPS (Global Position System) GPS position location coordinate, and obtain the mean value of n mobile phone terminal position location offset distance further, whether the base station information whether being greater than current area in predetermined threshold value determination base station data storehouse according to mean value d_adv is accurate.Compared with prior art, the embodiment of the present invention achieves the Automatic inquirying to base station information mistake in base station data storehouse, automatically which base station data in the base station data storehouse in movable positioning system can be searched wrong, method is simple, do not need drive test to search, can be scanned by the whole network, automatically navigate to problematic community, search speed is fast, saves a large amount of manpowers.
Another embodiment of system of base station data storehouse being carried out to debugging is located according to the present invention is based on GPS, location error checking system can also be used for when repeating m LBS location continuously to n mobile phone terminal, GPS location is repeated repeatedly continuously to this n mobile phone terminal, obtains multiple GPS position locations coordinate.Accordingly, GPS position location coordinate (X_j_GPS, Y_j_GPS) of middle use embodiment illustrated in fig. 3 is in the coordinate of multiple GPS position locations.
Another embodiment of system of base station data storehouse being carried out to debugging is located according to the present invention is based on GPS, whether location error checking system can also be used for changing by locating to the continuous repeatedly GPS of the mobile phone terminal of the p in overlay area, current area the multiple GPS position locations coordinate obtained, determine whether occurrence positions moves p mobile phone terminal, obtain n mobile phone terminal of non-occurrence positions movement from p mobile phone terminal.Wherein, p is the integer being more than or equal to n.
Exemplarily, whether accurately p mobile phone terminal can be the whole mobile phone terminals in overlay area, current area, thus improve the base station information accuracy determining current area.
According to the present invention is based on GPS location, a concrete example of the system embodiment of debugging and unrestricted is carried out to base station data storehouse, location error checking system is concrete successively to each mobile phone terminal j in n mobile phone terminal, performs and repeats the operation that m time shift position base station system LBS is positioned to acquisition position location offset distance continuously; Or, simultaneously to each mobile phone terminal j in n mobile phone terminal, perform and repeat the operation that m time shift position base station system LBS is positioned to acquisition position location offset distance continuously.
Another embodiment of system of base station data storehouse being carried out to debugging is located according to the present invention is based on GPS, location error checking system also can be used for storing predetermined threshold value, this predetermined threshold value pre-determines in the following way: the longitude and latitude finding the longitude and latitude of current area serving BS and the adjoining base station nearest apart from this serving BS from base station data storehouse, get the half of the spacing of serving BS and this adjoining base station, as the covering radius r of current area, using the product of the covering radius r of current area and default correction factor α as predetermined threshold value.
In this specification, each embodiment all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, same or analogous part cross-reference between each embodiment.For system embodiment, because itself and embodiment of the method are substantially corresponding, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
Method of the present invention, system may be realized in many ways.Such as, any combination by software, hardware, firmware or software, hardware, firmware realizes method and system of the present invention.Said sequence for the step of described method is only to be described, and the step of method of the present invention is not limited to above specifically described order, unless specifically stated otherwise.In addition, in certain embodiments, can be also record program in the recording medium by the invention process, these programs comprise the machine readable instructions for realizing according to method of the present invention.Thus, the present invention also covers the recording medium stored for performing the program according to method of the present invention.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Claims (12)
1. based on GPS location, base station data storehouse is carried out to a method for debugging, it is characterized in that, comprising:
Using the community of in mobile communications network as current area, respectively to each mobile phone terminal j in n mobile phone terminal of occurrence positions movement non-in overlay area, current area, repeat m shift position base station system LBS continuously to locate, obtain m the LBS position location coordinate (X_i_j_LBS of each mobile phone terminal j in n mobile phone terminal, Y_i_j__LBS), i represents mobile phone terminal j, and in current area, i-th LBS locates, i=1 ~ m, j=1 ~ n, m, n be greater than 1 integer;
Obtain the mean value of m the LBS position location coordinate of mobile phone terminal j:
X_j_LBS＝∑X_i_j_LBS／m，Y_j_LBS＝∑Y_i_j_LBS／m；
Obtain the position location offset distance between the mean value of m the LBS position location coordinate of mobile phone terminal j and GPS (Global Position System) GPS position location coordinate (X_j_GPS, Y_j_GPS):
d_j=((X_j_LBS-X_j_GPS)^2+(Y_j_LBS-Y_j_GPS)^2)^(1/2)；
Obtain the mean value d_adv=∑ d_j/n of n mobile phone terminal position location offset distance;
Whether the base station information whether being greater than current area in predetermined threshold value determination base station data storehouse according to mean value d_adv is accurate, determines that the base station information of current area in base station data storehouse is inaccurate when mean value d_adv is greater than predetermined threshold value.
2. method according to claim 1, is characterized in that, also comprises:
When m LBS location is repeated continuously to n mobile phone terminal, also GPS location is repeated repeatedly continuously to this n mobile phone terminal, obtain multiple GPS position locations coordinate;
Described GPS position location coordinate (X_j_GPS, Y_j_GPS) is in the coordinate of multiple GPS position locations.
3. method according to claim 1, is characterized in that, also comprises:
Whether change by locating to the continuous repeatedly GPS of the mobile phone terminal of the p in overlay area, current area the multiple GPS position locations coordinate obtained, determine whether occurrence positions moves p mobile phone terminal, obtain n mobile phone terminal of non-occurrence positions movement from p mobile phone terminal, p is the integer being more than or equal to n.
4. method according to claim 3, is characterized in that, p mobile phone terminal is the whole mobile phone terminals in overlay area, current area.
5. method according to claim 4, is characterized in that, successively to each mobile phone terminal j in n mobile phone terminal, performs and describedly repeats m shift position base station system LBS continuously and be positioned to the operation obtaining position location offset distance; Or, simultaneously to each mobile phone terminal j in n mobile phone terminal, perform and describedly repeat m shift position base station system LBS continuously and be positioned to the operation obtaining position location offset distance.
6. the method according to claim 1 to 5 any one, is characterized in that, also comprises the operation determining predetermined threshold value in the following way:
The longitude and latitude of the longitude and latitude of current area serving BS and the adjoining base station nearest apart from this serving BS is found from base station data storehouse, get the half of the spacing of serving BS and this adjoining base station, as the covering radius r of current area, using the product of the covering radius r of current area and default correction factor α as predetermined threshold value.
7. one kind is carried out the system of debugging to base station data storehouse based on GPS location, comprise for the VLR Visitor Location Register VLR of storing mobile communication network Zhong Ge community mobile user identification ID, for the mobile fine positioning platform that adopts GPS (Global Position System) GPS localization method to position mobile phone terminal and the mobile coarse positioning platform for adopting shift position base station system LBS localization method to position mobile phone terminal, it is characterized in that, also comprise:
Location error checking system, for using the community of in mobile communications network as current area, respectively to each mobile phone terminal j in n mobile phone terminal of occurrence positions movement non-in overlay area, current area, repeat m LBS location continuously, obtain m LBS position location coordinate (X_i_j_LBS, Y_i_j__LBS) of each mobile phone terminal j in n mobile phone terminal, i represents mobile phone terminal j, and in current area, i-th LBS locates, i=1 ~ m, j=1 ~ n, m, n be greater than 1 integer; Obtain the mean value of m the LBS position location coordinate of mobile phone terminal j: X_j_LBS=∑ X_i_j_LBS/m, Y_j_LBS=∑ Y_i_j_LBS/m; Obtain the position location offset distance between the mean value of m the LBS position location coordinate of mobile phone terminal j and GPS position location coordinate (X_j_GPS, Y_j_GPS): d_j=((X_j_LBS-X_j_GPS) ^2+ (Y_j_LBS-Y_j_GPS) ^2) ^ (1/2); Obtain the mean value d_adv=∑ d_j/n of n mobile phone terminal position location offset distance; Whether the base station information whether being greater than current area in predetermined threshold value determination base station data storehouse according to mean value d_adv is accurate, determines that the base station information of current area in base station data storehouse is inaccurate when mean value d_adv is greater than predetermined threshold value.
8. system according to claim 7, it is characterized in that, described location error checking system, also for when repeating m LBS location continuously to n mobile phone terminal, GPS location is repeated repeatedly continuously to this n mobile phone terminal, obtains multiple GPS position locations coordinate;
Described GPS position location coordinate (X_j_GPS, Y_j_GPS) is in the coordinate of multiple GPS position locations.
9. system according to claim 7, it is characterized in that, described location error checking system, also for whether changing by locating to the continuous repeatedly GPS of the mobile phone terminal of the p in overlay area, current area the multiple GPS position locations coordinate obtained, determine whether occurrence positions moves p mobile phone terminal, obtain n mobile phone terminal of non-occurrence positions movement from p mobile phone terminal, p is the integer being more than or equal to n.
10. system according to claim 9, is characterized in that, p mobile phone terminal is the whole mobile phone terminals in overlay area, current area.
11. systems according to claim 10, it is characterized in that, described location error checking system, specifically successively to each mobile phone terminal j in n mobile phone terminal, performs and describedly repeats m shift position base station system LBS continuously and be positioned to the operation obtaining position location offset distance; Or, simultaneously to each mobile phone terminal j in n mobile phone terminal, perform and describedly repeat m shift position base station system LBS continuously and be positioned to the operation obtaining position location offset distance.
12. systems according to claim 7 to 11 any one, is characterized in that, described location error checking system, also for storing described predetermined threshold value:
Described predetermined threshold value pre-determines in the following way: the longitude and latitude finding the longitude and latitude of current area serving BS and the adjoining base station nearest apart from this serving BS from base station data storehouse, get the half of the spacing of serving BS and this adjoining base station, as the covering radius r of current area, using the product of the covering radius r of current area and default correction factor α as predetermined threshold value.
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