Summary of the invention
A kind of method that the embodiment of the present invention provides base station site to locate and device, in order to solve the problem accurately cannot carrying out base station site location existed in prior art.
The embodiment of the present invention is by the following technical solutions:
A method for base station site location, comprising:
Obtain the value of the frequency of the first carrier of the first cordless communication network that testing equipment obtains at test zone build-in test, and obtain the value of the first received power used when described testing equipment receives described first carrier; According to the value of frequency and the value of described first received power of the described first carrier obtained, and the value of distance between specific base in preset reference point and the second cordless communication network, the value of the frequency of reference carrier obtained in advance, the value of the range attenuation factor obtained in advance, the value of geographical environment modifying factor obtained in advance and the positional information of described test zone, determine test zone described in quorum sensing inhibitor, the site information of the base station of described first cordless communication network; The value of described geographical environment modifying factor is used for characterizing: the geographical environment of described test zone is for the influence degree of the carrier wave transmitted in described test zone.
Technique scheme is by the process of the site information of calculation base station, and the site information of value to base station introducing geographical environment modifying factor is revised, thus improves the accuracy of site information.
Owing to having related to range attenuation Summing Factor geographical environment modifying factor in such scheme, then the value of the described range attenuation factor and the value of described geographical environment modifying factor can obtain in the following manner:
The value of second year wave frequency that the described specific base of testing respectively to obtain at least two that obtain that described testing equipment comprises in described test zone different test subregions sends, and the value obtaining the second received power used when described testing equipment receives described second carrier wave respectively in described at least two different test subregions; According to obtain each described in the value of the value of second year wave frequency and the second received power described in each, and the value of distance between described reference point and described specific base, the value of the frequency of the described reference carrier obtained in advance, the value of the 3rd received power that uses when described reference point receives described reference carrier, and the value of distance between the position of described test zone and described specific base, determine the value of the described range attenuation factor and the value of described geographical environment modifying factor.
Optionally, according to obtain each described in the value of the value of second year wave frequency and the second received power described in each, and the value of distance between described reference point and described specific base, the value of the frequency of the described reference carrier obtained in advance, the value of the 3rd received power that uses when described reference point receives described reference carrier, and the value of distance between the position of described test zone and described specific base, determine the value of the described range attenuation factor and the value of described geographical environment modifying factor, specifically comprise:
According to obtain each described in the value of the value of second year wave frequency and the second received power described in each, and the value of distance between described reference point and described specific base, the value of the frequency of the described reference carrier obtained in advance, the value of the 3rd received power used when described reference point receives described reference carrier, distance between the position of described test zone and described specific base value, and the value of the transmitting-receiving modifying factor obtained in advance, determine the value of the described range attenuation factor and the value of described geographical environment modifying factor; And
According to the value of frequency and the value of described first received power of the described first carrier obtained, and the value of distance between preset reference point and described specific base, the value of the frequency of reference carrier obtained in advance, the value of the range attenuation factor obtained in advance, the value of geographical environment modifying factor obtained in advance and the positional information of described test zone, determine test zone described in quorum sensing inhibitor, the site information of the base station of described first cordless communication network, specifically comprise:
According to the value of frequency and the value of described first received power of the described first carrier obtained, and the value of distance between preset reference point and described specific base, the value of the frequency of reference carrier obtained in advance, value, the value of geographical environment modifying factor obtained in advance, the positional information of described test zone of the range attenuation factor that obtain in advance, and the value of the transmitting-receiving modifying factor obtained in advance, determine test zone described in quorum sensing inhibitor, the site information of the base station of described first cordless communication network.
In technique scheme, by introducing the value of transmitting-receiving modifying factor, the further correction of the site information to base station can be realized, thus improve the accuracy of the site information of base station further.
Optionally, can following manner be passed through, obtain the value of described transmitting-receiving modifying factor:
The antenna height value of described specific base, transmission power level and antenna gain during value according to described 3rd received power of test, and the antenna height value of described specific base when testing the value of described second received power, transmission power level and antenna gain, determine the value of described transmitting-receiving modifying factor.
Optionally, if described test zone comprises multiple test subregion; Then
Obtain the value of the frequency of the first carrier of the first cordless communication network that testing equipment obtains at test zone build-in test, and obtain the value of the first received power used when described testing equipment receives described first carrier, specifically comprise:
Obtain the value that described testing equipment tests the frequency of the first carrier of the first cordless communication network obtained respectively in each test subregion that described test zone comprises, and obtain the value of the first received power used when described testing equipment receives described first carrier respectively in each test subregion described; Then
According to the value of frequency and the value of described first received power of the described first carrier obtained, and the value of distance between specific base in preset reference point and the second cordless communication network, the value of the frequency of reference carrier obtained in advance, the value of the range attenuation factor obtained in advance, the value of geographical environment modifying factor obtained in advance and the positional information of described test zone, determine test zone described in quorum sensing inhibitor, the site information of the base station of described first cordless communication network, specifically comprise:
Perform respectively for each described test subregion: according to the value of the frequency of the first carrier of the first cordless communication network obtained at this test subregion build-in test, the value of the first received power used when receiving described first carrier in this test subregion, the value of the distance between the specific base in preset reference point and the second cordless communication network, the value of the frequency of the reference carrier obtained in advance, the value of the range attenuation factor obtained in advance, the value of the geographical environment modifying factor obtained in advance and the positional information of described test zone, determine that signal cover comprises this test subregion, the site information of the base station of described first cordless communication network.
Optionally, after determining that signal cover comprises the site information of the base station of this test subregion, described first cordless communication network for each described test subregion, described method also comprises:
Perform respectively for each described test subregion: according to the first carrier covering this test subregion, determine the mark of the community covering this test subregion; And according to the mapping relations of the mark of prespecified community and the mark of base station for the described communication standard of the first cordless communication network, and the mark of this community determined, the mark of the base station that the mark of this community determined described in determining maps;
According to the mark of the base station determined respectively for each described test subregion, from the community covering each test subregion described, determine the set of cells be made up of colocation site community; Wherein, when there is multiple described set of cells, the mark of the base station that the mark of the community that different described set of cells comprises maps is different;
Perform respectively for each described set of cells: the site information of the base station determined according to the test subregion covered for the community in this set of cells, determine the site information of the base station that the community in this set of cells belongs to altogether.
By technique scheme, Gong Zhi community can be determined, and then the site information of the base station determined according to the test subregion covered for Gong Zhi community, the accurate location of the base station to those Gong Zhi communities can be realized.
A device for base station site location, comprising:
Obtaining unit, for obtaining the value of the frequency of the first carrier of the first cordless communication network that testing equipment obtains at test zone build-in test, and obtaining the value of the first received power used when described testing equipment receives described first carrier;
First site information determination unit, for the value of frequency and the value of described first received power of the described first carrier according to acquisition, and the value of distance between specific base in preset reference point and the second cordless communication network, the value of the frequency of reference carrier obtained in advance, the value of the range attenuation factor obtained in advance, the value of geographical environment modifying factor obtained in advance and the positional information of described test zone, determine test zone described in quorum sensing inhibitor, the site information of the base station of described first cordless communication network;
Wherein, the value of described geographical environment modifying factor is used for characterizing: the geographical environment of described test zone is for the influence degree of the carrier wave transmitted in described test zone.
Optionally, the value of the described range attenuation factor and the value of described geographical environment modifying factor can be obtained by following manner:
The value of second year wave frequency that the described specific base of testing respectively to obtain at least two that obtain that described testing equipment comprises in described test zone different test subregions sends, and the value obtaining the second received power used when described testing equipment receives described second carrier wave respectively in described at least two different test subregions;
According to obtain each described in the value of the value of second year wave frequency and the second received power described in each, and the value of distance between described reference point and described specific base, the value of the frequency of the described reference carrier obtained in advance, the value of the 3rd received power that uses when described reference point receives described reference carrier, and the value of distance between the position of described test zone and described specific base, determine the value of the described range attenuation factor and the value of described geographical environment modifying factor.
Optionally, according to obtain each described in the value of the value of second year wave frequency and the second received power described in each, and the value of distance between described reference point and described specific base, the value of the frequency of the described reference carrier obtained in advance, the value of the 3rd received power that uses when described reference point receives described reference carrier, and the value of distance between the position of described test zone and described specific base, determine the value of the described range attenuation factor and the value of described geographical environment modifying factor, specifically comprise:
According to obtain each described in the value of the value of second year wave frequency and the second received power described in each, and the value of distance between described reference point and described specific base, the value of the frequency of the described reference carrier obtained in advance, the value of the 3rd received power used when described reference point receives described reference carrier, distance between the position of described test zone and described specific base value, and the value of the transmitting-receiving modifying factor obtained in advance, determine the value of the described range attenuation factor and the value of described geographical environment modifying factor; And
Described first site information determination unit specifically for: according to the value of frequency of described first carrier obtained and the value of described first received power, and the value of distance between preset reference point and described specific base, the value of the frequency of reference carrier obtained in advance, value, the value of geographical environment modifying factor obtained in advance, the positional information of described test zone of the range attenuation factor that obtain in advance, and the value of the transmitting-receiving modifying factor obtained in advance, determine test zone described in quorum sensing inhibitor, the site information of the base station of described first cordless communication network.
In technique scheme, by introducing the value of transmitting-receiving modifying factor, the further correction of the site information to base station can be realized, thus improve the accuracy of the site information of base station further.
Optionally, can following manner be passed through, obtain the value of described transmitting-receiving modifying factor:
The antenna height value of described specific base, transmission power level and antenna gain during value according to described 3rd received power of test, and the antenna height value of described specific base when testing the value of described second received power, transmission power level and antenna gain, determine the value of described transmitting-receiving modifying factor.
Optionally, if described test zone comprises multiple test subregion; Then
Described acquisition unit specifically for: obtain the value of testing the frequency of the first carrier of the first cordless communication network obtained in each test subregion that described testing equipment comprises at described test zone respectively, and obtain the value of the first received power used when described testing equipment receives described first carrier respectively in each test subregion described;
Described first site information determination unit specifically for: perform respectively for each described test subregion: according to the value of the frequency of the first carrier of the first cordless communication network obtained at this test subregion build-in test, the value of the first received power used when receiving described first carrier in this test subregion, the value of the distance between the specific base in preset reference point and the second cordless communication network, the value of the frequency of the reference carrier obtained in advance, the value of the range attenuation factor obtained in advance, the value of the geographical environment modifying factor obtained in advance and the positional information of described test zone, determine that signal cover comprises this test subregion, the site information of the base station of described first cordless communication network.
Optionally, described device also comprises:
Base Station Identification determining unit, for after for each described test subregion, described first site information determination unit determines that signal cover comprises the site information of the base station of this test subregion, described first cordless communication network, perform respectively for each described test subregion: according to the first carrier covering this test subregion, determine the mark of the community covering this test subregion; And according to the mapping relations of the mark of prespecified community and the mark of base station for the described communication standard of the first cordless communication network, and the mark of this community determined, the mark of the base station that the mark of this community determined described in determining maps;
Set of cells determining unit, for the mark of base station determined respectively for each described test subregion according to Base Station Identification determining unit, from the community covering each test subregion described, determines the set of cells be made up of colocation site community; Wherein, when there is multiple described set of cells, the mark of the base station that the mark of the community that different described set of cells comprises maps is different;
Second site information determination unit, each described set of cells for determining for Base Station Identification determining unit performs respectively: the site information determining base station according to the test subregion covered for the community in this set of cells, determines the site information of the base station that the community in this set of cells belongs to altogether.
By technique scheme, Gong Zhi community can be determined, and then the site information of the base station determined according to the test subregion covered for Gong Zhi community, the accurate location of the base station to those Gong Zhi communities can be realized.
Embodiment
By analyzing physical environment in actual cordless communication network to the impact of the downstream signal that base station sends, the embodiment of the present invention is in the process of site information determining base station in cordless communication network A, quorum sensing inhibitor test zone, add geographical environment modifying factor, thus improve the accuracy of the base station site information finally determined.
Below in conjunction with Figure of description, embodiments of the invention are described, should be appreciated that embodiment described herein is only for instruction and explanation of the present invention, is not limited to the present invention.And when not conflicting, the embodiment in this explanation and the feature in embodiment can be combined with each other.
First, embodiments provide the method for a kind of base station site location, the realization flow figure of the method as shown in Figure 1, mainly comprises the steps:
Step 11, obtains the value of the frequency of the first carrier of the first cordless communication network that testing equipment obtains at test zone build-in test, and obtains the value of the first received power used when this testing equipment receives first carrier;
Step 12, according to the value of frequency and the value of the first received power of the first carrier obtained, and the value of distance between specific base in preset reference point and the second cordless communication network, the value of the frequency of reference carrier obtained in advance, the value of the range attenuation factor obtained in advance, the value of geographical environment modifying factor obtained in advance and the positional information of test zone, determine signal cover comprise this test zone, the site information of the base station of the first cordless communication network.
In the embodiment of the present invention, the value of geographical environment modifying factor is used for characterizing: the geographical environment of test zone is for the influence degree of the carrier wave transmitted in this test zone.
In the embodiment of the present invention, can be, but not limited to by following manner, obtain the value of the range attenuation factor described in step 12 and the value of geographical environment modifying factor:
The value of second year wave frequency that the specific base of testing respectively to obtain at least two that obtain that this testing equipment comprises in test zone different test subregions sends, and the value obtaining the second received power used when this testing equipment receives the second carrier wave respectively at least two different test subregions;
According to the value of each second year wave frequency obtained and the value of each the second received power, and the value of distance between reference point and specific base, value, the value of the 3rd received power that uses when reference point receives reference carrier of the frequency of reference carrier that obtain in advance, and the value of distance between the position of this test zone and specific base, determine the value of the range attenuation factor and the value of geographical environment modifying factor.
Optionally, in the embodiment of the present invention, in the value of the value and geographical environment modifying factor of determining the range attenuation factor, and determine signal cover comprise this test zone, in the process of the site information of the base station of the first cordless communication network, can also to receive and dispatch the value of modifying factor as one of definition base.
For the process of the value of the value and geographical environment modifying factor of determining the range attenuation factor, the specific implementation of this process can comprise: according to the value of each second year wave frequency obtained and the value of each the second received power, and the value of distance between reference point and specific base, the value of the frequency of the reference carrier obtained in advance, the value of the 3rd received power used when reference point receives reference carrier, the value of the distance between the position of this test zone and specific base, and the value of the transmitting-receiving modifying factor obtained in advance, determine the value of the range attenuation factor and the value of geographical environment modifying factor.
And for determining that signal cover comprises this test zone, the process of the site information of the base station of the first cordless communication network, the specific implementation of this process can comprise: according to the value of frequency and the value of the first received power of the first carrier obtained, and the value of distance between preset reference point and specific base, the value of the frequency of the reference carrier obtained in advance, the value of the range attenuation factor obtained in advance, the value of the geographical environment modifying factor obtained in advance, the positional information of this test zone, and the value of the transmitting-receiving modifying factor obtained in advance, determine that signal cover comprises this test zone, the site information of the base station of the first cordless communication network.
Optionally, the value of above-mentioned transmitting-receiving modifying factor can be, but not limited to be obtained by following manner:
The antenna height value of specific base during value according to test the 3rd received power, transmission power level and antenna gain, and the antenna height value of specific base, transmission power level and the antenna gain during value of test the second received power, determine the value of receiving and dispatching modifying factor.
It should be noted that, the test zone described in the embodiment of the present invention can be made up of multiple test subregion.Under such a scenario, the specific implementation process of step 11 can comprise: obtain the value that this testing equipment tests the frequency of the first carrier of the first cordless communication network obtained respectively in each test subregion that this test zone comprises, and obtain the value of the first received power used when this testing equipment receives first carrier respectively in each test subregion.
The specific implementation process of step 12 then can comprise: perform following operation respectively for each test subregion:
First, according to the value of the frequency of the first carrier of the first cordless communication network obtained at this test subregion build-in test, the value of the first received power used when receiving first carrier in this test subregion, the value of the distance between the specific base in preset reference point and the second cordless communication network, the value of the frequency of the reference carrier obtained in advance, the value of the range attenuation factor obtained in advance, the value of geographical environment modifying factor obtained in advance and the positional information of this test zone, determine that signal cover comprises this test subregion, the site information of the base station of the first cordless communication network,
Then, determine for this test subregion each signal cover comprise this test subregion, after the site information of the base station of the first cordless communication network, perform respectively for each test subregion: according to the first carrier covering this test subregion, determine the mark of the community covering this test subregion; And according to the mapping relations of the mark of prespecified community and the mark of base station for the communication standard of the first cordless communication network, and the mark of this community determined, determine the mark of the base station that the mark of this community maps;
Finally, according to the mark of the base station determined respectively for each test subregion, from the community covering each test subregion, determine the set of cells be made up of colocation site community; And perform respectively for each set of cells: the site information determining base station according to the test subregion covered for the community in this set of cells, determine the site information of the base station that the community in this set of cells belongs to altogether.Wherein, when there is multiple set of cells, the mark of the base station that the mark of the community that different set of cells comprises maps is different.
In embodiments of the present invention, evade by adopting that geographical environment modifying factor comprises this test zone to signal cover, that physical environment between the base station of the first cordless communication network and test point may cause impact, avoid owing to ignoring physical environment in actual cordless communication network to the impact of the downstream signal that base station sends, thus improve the accuracy that base station site locates.
Below introduce said method a kind of embody rule flow process in practice that the embodiment of the present invention provides.In this embody rule flow process, suppose that test zone comprises multiple test subregion, then this embody rule flow process comprises following step as shown in Figure 2:
Step 21, carries out data acquisition process in test zone;
Such as, the data of each community in coverage test region can be gathered according to prespecified route.For convenience of description, the data collected also can be described as test data.Wherein, if suppose, this route can comprise multiple collection point, so, needs in each collection point the collection carrying out test data.The cell ID etc. of the latitude and longitude information that the test data collected generally comprises each collection point in test zone, the received power value of signal that the first wireless communications network base station and the second wireless communications network base station are launched, the first cordless communication network and the second cordless communication network.
Step 22, carries out preliminary treatment to the test data collected;
In the present invention, the preliminary treatment of test data can comprise the following aspects:
1, filtration treatment
Namely from the test data collected, irrational test data is abandoned.Wherein, irrational test data comprise the place that testing equipment may be made accurately can not to carry out latitude and longitude information location in overpass, tunnel etc. test the test data obtained, the test data collected in too far away or too close collection point, distance base station and signal strength signal intensity too strong or too weak time the test data etc. that collects.
2, discrete processes
For the sample frequency relative to data such as such as received power values, testing equipment is lower for the sample frequency of latitude and longitude information, thus may occur that different acquisition point possesses same latitude and longitude information, other test datas being different from latitude and longitude information collected respectively in those collection points then may mutually different situation.In this case, according to the acquisition time order of other test datas described, the test data (comprising latitude and longitude information) corresponding to different acquisition point can be distinguished, thus completes the discretized processing operations of test data.
This discretized processing operations can be perform after carrying out filtration treatment to the test data collected.
3, geographical average treatment
Particularly, can be averaged test route segmentation, if suppose, every section of test route is 5m, so, for one section of test route that arbitrary length is 5m, the test data that can collect all collection points place on this section of test route performs the operation of getting average, and using this average as the test data collected at this section of test route.In such a manner, the data volume for participating in subsequent calculations can be reduced, thus improve treatment effeciency.
Under normal circumstances, whole test route is averaged segmentation and the length of the every section of test route obtained can be described as intrinsic length, this intrinsic length can within the scope of 1 ~ 15m value.
Optionally, the operation of this geographical average treatment can perform after carrying out discretized processing operations to test data.
4, offset correction process
The object of test data offset correction process is the geographical attribute in order to revise test data, namely revises the latitude and longitude information in test data.Such as, for in test data, the latitude and longitude information that there is deviation between the actual latitude and longitude information of obvious and corresponding collection point, according to the latitude and longitude information of other collection points adjacent with this collection point, the latitude and longitude information of this collection point can be adjusted.
Optionally, the operation of this offset correction process can perform after test data being carried out to the operation of geographical average treatment.
Step 23, determines the value of the range attenuation factor and the value of geographical environment modifying factor;
In the embodiment of the present invention, suppose to be averaged segmentation and the length of the every section of test route obtained is 5m to whole test route, and the every section of test route obtained corresponding convergence region, a collection point respectively, so can extract the test data corresponding to convergence region, each collection point in convergence region, multiple collection point respectively, and according to those test datas, determine the value of the range attenuation factor and the value of geographical environment modifying factor.
Such as, can extract respectively be numbered q, q+1, q+2 and q+3, on geographical position, continuous print four sampled points converge region CON (q), CON (q+1), CON (q+2) and the test datas corresponding to CON (q+3), and based on the path loss formula of those test datas and the revised LEE cellular model as shown in the formula [1], calculate the value of the range attenuation factor and the value of geographical environment modifying factor.
In formula [1], p
rfor testing equipment converges at sampled point the received power used when the carrier wave sent base station in region receives, it was generally testing equipment and converges at sampled point the mean receiving power used when the carrier wave sent base station in region receives within a period of time; D is that p is carried out in the collection point that testing equipment converges in region at sampled point
rreception antenna during test and the horizontal range between base station transmit antennas; d
0for the distance between preset reference point and base station, this distance can be such as 1 kilometer; p
r1for in town, when antenna for base station is operated under normal transmission operating state, distance base station 1 km to base station send out merit reference carrier receive used received power; F be base station when above-mentioned four sampled point collecting test data, base station actual use carry wave frequency, f
0for test p
r1the reference carrier frequency that Shi Jizhan sends; γ is the range attenuation factor; G
aREAfor geographical environment modifying factor, it is for representing that sampled point converges within region and the neighbouring specific environment factor such as terrain road, vegetation, building to the influence degree converging the carrier wave in region at sampled point; α
0for transmitting-receiving modifying factor, its computing formula is as follows:
In formula [2], h
ttest p
rthe antenna height of Shi Jizhan, P
ttest p
rthe transmitting power of Shi Jizhan, G
ttest p
rtime the antenna gain of base station; And h
tREFfor test P
r1the antenna height of Shi Jizhan, P
tREFfor test P
r1the transmitting power of Shi Jizhan, G
tREFfor test P
r1the antenna gain of Shi Jizhan.
In the embodiment of the present invention, suppose the distance d between preset reference point and base station
0get 1km, test P
r1time use reference carrier frequency f
0get 850MHz, n is by f and f
0determine, and meet following formula:
So, converge region CON (q), CON (q+1), CON (q+2) and CON (q+3) for four sampled points, according to above-mentioned formula [1], that [2] and [3] can set up two groups of propagation equation is as follows:
In above-mentioned two equation group, [lon (q), lat (q)], [lon (q+1), lat (q+1)], [lon (q+2), lat (q+2)], [lon (q+3), lat (q+3)] be respectively the latitude and longitude coordinates that continuous four sampled points converge the respective central point of region CON (q), CON (q+1), CON (q+2) and CON (q+3).In addition, with P
r[CELLi(q)] be example, what it represented is that testing equipment converges at sampled point the received power used when region CON (q) receives the carrier wave being numbered the community of i belonging to the first operator.The rest may be inferred for the implication of other simileys.
Because the arbitrary sampled point for the first operator converges region, to be its correspondingly similar in the equation of formula [1], only to have G
aREAbe unknown number with γ, therefore, by above-mentioned each equation group, G can be determined respectively
aREA[CELL
i(q)] and
multiple values.For G
aREA[CELL
i(q)], can using the mean value of the corresponding multiple value calculated as G
aREA[CELL
i(q)] value, for convenience of description, hereinafter this mean value is designated as
similarly, for
, also can using the mean value of the corresponding multiple value calculated as
value, for convenience of description, hereinafter this mean value is designated as
In the embodiment of the present invention, converge at sampled point respectively according to testing equipment and carry out testing for the carrier wave possessing different community of numbering of the first operator in region CON (q), CON (q+1), CON (q+2) and CON (q+3) and the test data that obtains, can multiple parameter values be drawn.Such as can draw
thus can value using the mean value of those parameter values as the geographical environment modifying factor finally calculated
similarly, the value of the range attenuation factor that also can finally be calculated
Step 24, determines the base station site information of the second operator.
In the embodiment of the present invention, suppose that testing equipment converges in region CON (q), CON (q+1), CON (q+2) and CON (q+3) at above-mentioned four sampled points and also collect the test data relevant to the base station of the second operator (hereinafter referred to as the second base station), so, because these four sampled points convergence region CON (q), CON (q+1), CON (q+2) and CON (q+3) are corresponding identical
with
then can basis
with
and the test data relevant to the second base station that testing equipment collects, calculate the positional information of the second base station, i.e. the site information of the second base station.
Particularly, by following equation group, the site information of the second base station can be calculated.
Similar with the symbol implication in described equation group above, in equation group herein, with P
r[CELL
j(q)] be example, what it represented is that testing equipment converges at sampled point the received power used when region CON (q) receives the carrier wave being numbered the community of j belonging to the second operator, and it is to test the datum obtained; d
[on (q) ', lat (q) ']p is carried out in the collection point of converging in region at sampled point for testing equipment
r[CELL '
j(q)] test time reception antenna and base station transmit antennas between horizontal range, because the positional information being numbered the base station of this community of j is unknown, therefore d
[lon (q) ', lat (q) ']deng being unknown number.The rest may be inferred for the implication of other simileys.In addition, because the information relevant to the base station of the second operator is unknown number, therefore, the α in above-mentioned formula
0[CELL'
j(q)] etc. and P '
r1also be unknown number.
If suppose, the longitude being numbered the base station of the community of j of the second operator is X
j=lon (CELL'
j), latitude is Y
j=lat (CELL'
j), so [lon (CELL'
j), lat (CELL'
j)] this position and the sampled point distance converging in region CON (q) between sampled point position [lon (q), lat (q)] can be similar to the d be equal in above-mentioned equation group
[lon (q) ', lat (q) '].Therefore visible, above-mentioned equation group comprises P'
r1, lon (CELL'
j), lat (CELL'
j) and α
0[CELL'
j(q)] the quaternary equation group of these four variablees.
By solving above-mentioned equation group, namely can obtain the warp being numbered the base station of the community of j, the dimensional information that can obtain the second operator, namely obtain a longitude and latitude solution.To more accurately locate the position of this base station, then can also converge window technique by sliding, utilize and converge at multiple sampled point the convergence data collected respectively in region, adopt account form as described above, calculate the multiple longitude and latitude solutions for this base station.For Fig. 3, such as, can utilize and converge region n ~ sampled point at sampled point and converge the convergence data collected respectively in the n+3 of region, adopt account form as described above to calculate a longitude and latitude solution for this base station; Similarly, also can utilize and converge region 1 ~ sampled point at sampled point and converge the convergence data collected respectively in region 4, adopt account form as described above to calculate another longitude and latitude solution for this base station; Etc..If each longitude and latitude solution is considered as a polygonal summit, then those longitude and latitude solutions can form a polygon as shown in Figure 3 in a coordinate system jointly.By calculating this polygonal center of gravity, this base station positional information more accurately finally can be obtained, i.e. the positional information of this center of gravity.
Wherein, as follows in figure polygon stasiofax algorithmic formula:
In above formula, (X
i, Y
i) be the latitude and longitude coordinates of i-th base station site;
for the latitude and longitude coordinates of polygon center of gravity, N is total number of polygon vertex, i.e. total number of longitude and latitude solution.
In the embodiment of the present invention, for the scene that there is Gong Zhi community, can also analyzing test data be passed through, obtain No. ID of relevant tested carrier wave affiliated subdistrict, and lay down a regulation according to No. ID of community and extrapolate base station information.Such as Wideband Code Division Multiple Access (WCDMA) (Wide band Code Division Multiple Access, WCDMA) this cordless communication network, if obtain air interface layer three message that the cell ID CellIdentity=17858073(of tested first carrier affiliated subdistrict A can comprise from test data), the cell ID CellIdentity=17858074 of tested second carrier wave affiliated subdistrict B, No. ID of the Cell_ID(community of Qie Liangge community) be respectively 32281 and 32282.So, by following two equations,
WCDMA:CellIdentity=RNC_ID*65536+Cell_ID [6]
WCDMA:Cell_ID=BTS_ID*10+ sector number [7]
The RNC_ID(radio network controller number of two communities can be calculated) be 272, and calculate the BTS_ID(base station number of Liang Ge community) be 3228, because RNC_ID and BTS_ID uniquely determines a base station, so Liang Ge community belongs to Gong Zhi community.Thus can according to the positional information of the base station of the community A determined according to previously described method, and the positional information of the base station of the community B determined according to previously described method, determine the positional information of the base station that community A and community B belongs to altogether.Such as, can with the mean value of the longitude coordinate of the base station of the longitude coordinate of the base station of the community A calculated respectively according to previously described method and community B, as the longitude coordinate of the base station that community A and community B belongs to altogether; And with the mean value of the latitude coordinate of the base station of the latitude coordinate of the base station of the community A calculated respectively according to previously described method and community B, as the latitude coordinate of the base station that community A and community B belongs to altogether.
Corresponding to the method for the base station site location that the embodiment of the present invention provides, the device that the embodiment of the present invention also provides a kind of base station site to locate, the concrete structure schematic diagram of this device as shown in Figure 4, mainly comprises following functions unit:
Obtaining unit 41, for obtaining the value of the frequency of the first carrier of the first cordless communication network that testing equipment obtains at test zone build-in test, and obtaining the value of the first received power used when this testing equipment receives first carrier;
First site information determination unit 42, for according to obtaining the value of frequency of first carrier and the value of the first received power that unit 41 obtains, and the value of distance between specific base in preset reference point and the second cordless communication network, the value of the frequency of reference carrier obtained in advance, the value of the range attenuation factor obtained in advance, the value of geographical environment modifying factor obtained in advance and the positional information of this test zone, determine signal cover comprise this test zone, the site information of the base station of the first cordless communication network.
In embodiments of the present invention, the value of geographical environment modifying factor is used for characterizing: the geographical environment of test zone is for the influence degree of the carrier wave transmitted in test zone.
In embodiments of the present invention, can be, but not limited to by following manner, obtain the value of the range attenuation factor and the value of geographical environment modifying factor:
The value of second year wave frequency that the specific base of testing respectively to obtain at least two that obtain that this testing equipment comprises in test zone different test subregions sends, and the value obtaining the second received power used when this testing equipment receives the second carrier wave respectively at least two different test subregions;
According to the value of each second year wave frequency obtained and the value of each the second received power, and the value of distance between reference point and specific base, value, the value of the 3rd received power that uses when reference point receives reference carrier of the frequency of reference carrier that obtain in advance, and the value of distance between the position of test zone and specific base, determine the value of the range attenuation factor and the value of geographical environment modifying factor.
Optionally, in the embodiment of the present invention, in the value of the value and geographical environment modifying factor of determining the range attenuation factor, and determine signal cover comprise this test zone, in the process of the site information of the base station of the first cordless communication network, can also to receive and dispatch the value of modifying factor as one of definition base.
For the process of the value of the value and geographical environment modifying factor of determining the range attenuation factor, the specific implementation of this process can comprise: according to the value of each second year wave frequency obtained and the value of each the second received power, and the value of distance between reference point and specific base, the value of the frequency of the reference carrier obtained in advance, the value of the 3rd received power used when reference point receives reference carrier, the value of the distance between the position of test zone and specific base, and the value of the transmitting-receiving modifying factor obtained in advance, determine the value of the range attenuation factor and the value of geographical environment modifying factor.
And for determining that signal cover comprises this test zone, the process of the site information of the base station of the first cordless communication network, first site information determination unit specifically for: according to the value of frequency of first carrier obtained and the value of the first received power, and the value of distance between preset reference point and specific base, the value of the frequency of the reference carrier obtained in advance, the value of the range attenuation factor obtained in advance, the value of the geographical environment modifying factor obtained in advance, the positional information of test zone, and the value of the transmitting-receiving modifying factor obtained in advance, determine that signal cover comprises test zone, the site information of the base station of the first cordless communication network,
Optionally, the value of above-mentioned transmitting-receiving modifying factor can be, but not limited to be obtained by following manner:
The antenna height value of specific base during value according to test the 3rd received power, transmission power level and antenna gain, and the antenna height value of specific base, transmission power level and the antenna gain during value of test the second received power, determine the value of receiving and dispatching modifying factor.
It should be noted that, the test zone described in the embodiment of the present invention can be made up of multiple test subregion.Under such a scenario, obtain unit specifically to may be used for: obtain the value that testing equipment tests the frequency of the first carrier of the first cordless communication network obtained respectively in each test subregion that test zone comprises, and obtain the value of the first received power used when testing equipment receives first carrier respectively in each test subregion;
First site information determination unit specifically for: perform respectively for each test subregion: according to the value of the frequency of the first carrier of the first cordless communication network obtained at this test subregion build-in test, the value of the first received power used when receiving first carrier in this test subregion, the value of the distance between the specific base in preset reference point and the second cordless communication network, the value of the frequency of the reference carrier obtained in advance, the value of the range attenuation factor obtained in advance, the value of geographical environment modifying factor obtained in advance and the positional information of test zone, determine that signal cover comprises this test subregion, the site information of the base station of the first cordless communication network.
Base Station Identification determining unit, for to determine for each test subregion at the first site information determination unit signal cover comprise this test subregion, after the site information of the base station of the first cordless communication network, perform respectively for each test subregion: according to the first carrier covering this test subregion, determine the mark of the community covering this test subregion; And according to the mapping relations of the mark of prespecified community and the mark of base station for the communication standard of the first cordless communication network, and the mark of this community determined, determine the mark of the base station that the mark of this community determined maps;
Set of cells determining unit, for the mark according to the base station determined respectively for each test subregion, from the community covering each test subregion, determines the set of cells be made up of colocation site community; Wherein, when there is multiple set of cells, the mark of the base station that the mark of the community that different set of cells comprises maps is different;
Second site information determination unit, each set of cells for determining for Base Station Identification determining unit performs respectively: the site information determining base station according to the test subregion covered for the community in this set of cells, determines the site information of the base station that the community in this set of cells belongs to altogether.
In embodiments of the present invention, evade by adopting that geographical environment modifying factor comprises this test zone to signal cover, that physical environment between the base station of the first cordless communication network and test point may cause impact, avoid owing to ignoring physical environment in actual cordless communication network to the impact of the downstream signal that base station sends, thus improve the accuracy that base station site locates.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.