CN104202752A - Method and system for adjusting sensing distances of Bluetooth base stations - Google Patents
Method and system for adjusting sensing distances of Bluetooth base stations Download PDFInfo
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- CN104202752A CN104202752A CN201410478712.4A CN201410478712A CN104202752A CN 104202752 A CN104202752 A CN 104202752A CN 201410478712 A CN201410478712 A CN 201410478712A CN 104202752 A CN104202752 A CN 104202752A
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Abstract
The invention provides a method and a system for adjusting sensing distances of Bluetooth base stations. The method includes accurately acquiring coordinate data; computing the maximum sensing radiuses of the various Bluetooth base stations; selecting each two base stations with overlapped cover ranges pairwise when the cover ranges of the Bluetooth base stations are overlapped on each other; computing the distance R<A> between each two corresponding Bluetooth base stations according to coordinates of the two Bluetooth base stations; adjusting the sensing radius of the certain Bluetooth base station of each Bluetooth base station pair so that with the sensing radius of the certain Bluetooth base station with the large cover range is halved; judging whether the half of the corresponding distance R<A> is larger than the sensing radius of the other Bluetooth base station of each Bluetooth base station pair or not and selectively taking a small value of the corresponding distance R<A> and the sensing radius of the other Bluetooth base station as the sensing radius of the other Bluetooth base station. The method and the system have the advantages that the sensing distances can be accurately pertinently adjusted for cover range overlapping conditions according to the coordinates and the sensing radiuses of the various Bluetooth base stations in integral procedures, accordingly, the overlapping conditions of the cover ranges of the various Bluetooth base stations in integral Bluetooth base station application regions can be ultimately precluded, and data interaction service can be accurately and efficiently carried out on various devices in the application regions.
Description
Technical field
The present invention relates to Bluetooth technology field, particularly relate to bluetooth base station distance of reaction control method and system.
Background technology
In recent years, day by day universal with social networks of being widely used along with mobile device, terminal Bluetooth equipment is widely used, its versions is from V1.1 version originally to present V4.0 version, some mobile phone bluetooth distance sensing device, this device is just responded to two mobile phones with bluetooth equipment, when both distances are too far away, connection breaking in bluetooth meeting is not that how far distance of reaction has veritably.
In addition, in current multiple public place, (as tourist attractions, museum, displaying exhibition center) is all provided with bluetooth base station, and in the situation that bluetooth localization method is comparatively ripe, when bluetooth base station is responded to, its scope sensing immobilizes.If a certain museum or sight spot are less, bluetooth base station may sense extraneous other bluetooth equipment in sight spot or exhibition section or bluetooth base station, so just causes locating effect poor.
Based on above-mentioned visible, when facing different application scenarioss, bluetooth distance of reaction need to regulate could be well suited in current application scene, but there is no at present bluetooth base station distance of reaction regulating measure precisely regulates bluetooth distance of reaction.
Summary of the invention
Based on this, be necessary, for there is no at present bluetooth base station distance of reaction regulating measure, bluetooth distance of reaction is precisely regulated to problem, providing a kind of can carry out the bluetooth base station distance of reaction control method and the system that precisely regulate to bluetooth distance of reaction.
A bluetooth base station distance of reaction control method, comprises step:
Obtain bluetooth base station coordinates data;
Calculate respectively the maximum induction radius of each bluetooth base station;
Maximum induction radius according to described bluetooth base station coordinates data and described bluetooth base station, obtains the coverage of each bluetooth base station;
When the coverage of bluetooth base station has when overlapping, obtain between two the first bluetooth base station coordinates and the second bluetooth base station coordinates of overlapped coverage, calculate the distance between two bluetooth base stations, the induction radius of the first bluetooth base station is adjusted into half of distance between described two bluetooth base stations, the induction radius of smaller value after as the second bluetooth base station adjustment in half of distance between the maximum induction radius of choosing the second bluetooth base station and described two bluetooth base stations, wherein, coverage before the first bluetooth base station adjustment is greater than the coverage before the second bluetooth base station is adjusted,
Repeatedly repeat previous step, adjust respectively the induction radius of each bluetooth base station.
A bluetooth base station distance of reaction regulating system, comprising:
Data acquisition module, for obtaining bluetooth base station coordinates data;
Maximum induction radius calculation module, for calculating respectively the maximum induction radius of each bluetooth base station;
Coverage determination module, for responding to radius according to the maximum of described bluetooth base station coordinates data and described bluetooth base station, obtains the coverage of each bluetooth base station:
Induction radius adjusting module, when overlapping for having when the coverage of bluetooth base station, obtain between two the first bluetooth base station coordinates and the second bluetooth base station coordinates of overlapped coverage, calculate the distance between two bluetooth base stations, the induction radius of the first bluetooth base station is adjusted into half of distance between described two bluetooth base stations, the induction radius of smaller value after as the second bluetooth base station adjustment in half of distance between the maximum induction radius of choosing the second bluetooth base station and described two bluetooth base stations, wherein, coverage before the first bluetooth base station adjustment is greater than the coverage before the second bluetooth base station is adjusted,
Repetitive operation module, calls described induction radius adjusting module for repeatedly repeating, and adjusts respectively the induction radius of each bluetooth base station.
Bluetooth of the present invention base station distance of reaction control method and system, Obtaining Accurate coordinate data, calculate the maximum induction radius of each bluetooth base station, and according to the maximum induction radius of each bluetooth base station, determine the coverage of each bluetooth base station, when bluetooth base station range has when overlapping, choose between two the base station of two overlapped coverages, according to the coordinate of these two bluetooth base stations, calculate distance between the two, the coordinate that afterwards the large bluetooth base station of one of them coverage induction radius is adjusted to two bluetooth base stations calculates half of distance between the two, induction radius in another one bluetooth base station need to judge that the coordinate of two bluetooth base stations calculates himself induction radius size of a half-sum of distance between the two, choose wherein smaller value as the induction radius of this bluetooth base station, repeat above-mentioned regulating step, until all bluetooth base station ranges are no longer overlapping.Whole process, can be accurately according to each bluetooth base station coordinates, induction radius for overlapped coverage situation, adjust targetedly, finally in whole application region, bluetooth base station, the coverage of each bluetooth base station does not have overlapping situation, can be accurately, efficiently that in application region, each equipment carries out data interaction service.
Accompanying drawing explanation
Fig. 1 is a plurality of bluetooth base station range schematic diagrames in a certain application scenarios;
Fig. 2 is the schematic flow sheet of bluetooth of the present invention base station first embodiment of distance of reaction control method;
Fig. 3 is the schematic flow sheet of second embodiment of bluetooth of the present invention base station distance of reaction control method;
Fig. 4 is the structural representation of bluetooth of the present invention base station first embodiment of distance of reaction regulating system;
Fig. 5 is the structural representation of second embodiment of bluetooth of the present invention base station distance of reaction regulating system.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawings and embodiment, the present invention is further elaborated.Should be appreciated that concrete enforcement described herein, only in order to explain the present invention, does not limit the present invention.
For before service range control method not, the scope that each bluetooth base station is responded to is identical, and unadjustable its distance of reaction, uses six bluetooth base station (A in Fig. 1, B, C, D, E, F) induction range covers whole rectangular area, the scope that wherein shadow region S can be sensed by three bluetooth base stations (A, B, D).Thereby induction coverage rate has produced redundancy, if user can sense four different base station informations in this region simultaneously, will cause information extraction nonuniqueness like this.According to above seen coverage area problem place, bluetooth base station distance of reaction is reasonably regulated, solve and cover redundant area.What first we first will do is exactly the maximum induction radius of finding out bluetooth base station, and then responds to the shortening of radius, is adjusted to best induction range, and redundancy will reduce like this.Just as the induction range that in Fig. 1, D, E dotted line regulate.
As shown in Figure 2, a kind of bluetooth base station distance of reaction control method, comprises step:
S100: obtain bluetooth base station coordinates data.
Obtain each bluetooth base station coordinates data of current bluetooth base station applies scene, specifically, according to distribution situation in whole application scenarios, draw a plane coordinates figure, can utilize like this coordinate points (X, Y) accurately to represent the coordinate of each bluetooth base station.
S200: the maximum induction radius that calculates respectively each bluetooth base station.
The maximum induction radius of bluetooth base station refers to can complete, the clear maximum distance that receives current bluetooth base station, in general the maximum of this bluetooth base station induction radius and bluetooth base station coordinates can construct a circular overlay area, and in this region, Bluetooth terminal equipment can complete, the clear Bluetooth signal that receives this bluetooth base station.
S300: the maximum induction radius according to described bluetooth base station coordinates data and described bluetooth base station, obtains the coverage of each bluetooth base station.
Specifically, this coverage is that to take bluetooth base station coordinates data be the center of circle, the circular coverage area that the maximum induction radius of bluetooth base station of take is radius, because bluetooth base station coordinates data are fixing points in application scenarios, so in application scenarios, the coverage of bluetooth base station may be from, tangent or crossing three kinds of situations between two.
S400: when the coverage of bluetooth base station has when overlapping, obtain between two the first bluetooth base station coordinates and the second bluetooth base station coordinates of overlapped coverage, calculate the distance between two bluetooth base stations, the induction radius of the first bluetooth base station is adjusted into half of distance between described two bluetooth base stations, the induction radius of smaller value after as the second bluetooth base station adjustment in half of distance between the maximum induction radius of choosing the second bluetooth base station and described two bluetooth base stations, wherein, coverage before the first bluetooth base station adjustment is greater than the coverage before the second bluetooth base station is adjusted.
When the coverage of bluetooth base station has when overlapping, overlapping region can sense the signal from two bluetooth base stations simultaneously therein, in this region, there is redundancy, be unfavorable for effective, accurate, the high efficiency of transmission of data, so need to adjust the induction radius of bluetooth base station.In this adjustment process, because the place scope that different bluetooths base station need to cover in application scenarios is not identical, so when the induction radius to bluetooth base station is adjusted, need to determine that two coverages have overlapping bluetooth base station first to adjust the wherein induction radius of which bluetooth base station according to the coverage before the adjustment of bluetooth base station.Here, the coverage before the first bluetooth base station adjustment is greater than the coverage before the second bluetooth base station is adjusted, and calculates the distance R between the first bluetooth base station and the second bluetooth base station
a, the induction radius of the first bluetooth base station is preferentially adjusted, and the induction radius after adjustment is R
ahalf, then adjust the induction radius of the second bluetooth base station, need the initial maximum induction radius R in comparison the second bluetooth base station and R here
ahalf size, the induction radius after choosing smaller value wherein and adjusting as the second bluetooth base station.The induction radius of rationally, accurately adjusting two bluetooth base stations makes the coverage of adjusting latter two bluetooth base station no longer include lap, does not have redundancy phenomenon, can give full play to the advantage of bluetooth base station data transmission.It is to be noted, here the first bluetooth base station and the second bluetooth base station are only for referring to respectively two bluetooth base stations, it refers to and can change, and meets " coverage before the first bluetooth base station adjustment is greater than the coverage before the second bluetooth base station is adjusted " or meets " the first bluetooth base station application scenarios range of needs of living in is greater than the second bluetooth base station application scenarios range of needs of living in ".
S500: repeatedly repeat previous step, adjust respectively the induction radius of each bluetooth base station.
In application region, may have a plurality of bluetooths base station, and the coverage before a bluetooth base station adjustment may be overlapping from a plurality of different bluetooth base station ranges, needs so to carry out separately respectively the step as described in S400, responds to the adjustment of radius.
Bluetooth of the present invention base station distance of reaction control method, Obtaining Accurate coordinate data, calculate the maximum induction radius of each bluetooth base station, and according to the maximum induction radius of each bluetooth base station, determine the coverage of each bluetooth base station, when bluetooth base station range has when overlapping, choose between two the base station of two overlapped coverages, according to the coordinate of these two bluetooth base stations, calculate distance between the two, the coordinate that afterwards the large bluetooth base station of one of them coverage induction radius is adjusted to two bluetooth base stations calculates half of distance between the two, induction radius in another one bluetooth base station need to judge that the coordinate of two bluetooth base stations calculates himself induction radius size of a half-sum of distance between the two, choose wherein smaller value as the induction radius of this bluetooth base station, repeat above-mentioned regulating step, until all bluetooth base station ranges are no longer overlapping.Whole process, can be accurately according to each bluetooth base station coordinates, induction radius for overlapped coverage situation, adjust targetedly, final in whole application region, bluetooth base station the coverage of each bluetooth base station do not have overlapping situation, can be perfect, accurately, efficiently for each equipment in application region carries out data interaction service.
In an embodiment, the described maximum induction radius that calculates respectively each bluetooth base station is specially therein:
Utilize formula
Calculate the maximum induction radius of each bluetooth base station, wherein, (x
i, y
i) be bluetooth base station coordinates data, (x
nj, y
nj) be with coordinate points (x
i, y
i) centered by stretch out and find out the point coordinates that senses of current bluetooth base station in N point, N is positive integer.
Utilize above-mentioned formula can accurately calculate the induction radius of each bluetooth base station.
As shown in Figure 2, in an embodiment, described S400 specifically comprises step therein:
S420: when the coverage of bluetooth base station has when overlapping, obtain between two the 3rd bluetooth base station coordinates and the 4th bluetooth base station coordinates of overlapped coverage;
S440: according to described the 3rd bluetooth base station coordinates and described the 4th bluetooth base station coordinates, calculate the distance between the 3rd bluetooth base station and the 4th bluetooth base station, and preserve;
S460: obtain respectively the maximum induction radius of the 3rd bluetooth base station and the maximum induction radius of the 4th bluetooth base station, and according to the size of the maximum induction radius of the maximum induction radius of described the 3rd bluetooth base station and described the 4th bluetooth base station, pass judgment on the 3rd bluetooth base station and the 4th bluetooth base station induction radius adjustment priority;
S480: when the maximum induction radius of described the 3rd bluetooth base station is greater than the maximum induction radius of described the 4th bluetooth base station, the induction radius adjustment priority of judging the 3rd bluetooth base station is greater than the 4th bluetooth base station, the induction radius of the 3rd bluetooth base station is adjusted into half of distance between the 3rd bluetooth base station and the 4th bluetooth base station, chooses the induction radius after as the 4th bluetooth base station adjustment of smaller value in half of distance between the maximum induction radius of described the 4th bluetooth base station and described the 3rd bluetooth base station and the 4th bluetooth base station;
S490: when the maximum induction radius of described the 3rd bluetooth base station is less than the maximum induction radius of described the 4th bluetooth base station, the induction radius adjustment priority of judging the 3rd bluetooth base station induction radius is less than described the 4th bluetooth base station, the induction radius of the 4th bluetooth base station is adjusted into half of distance between described the 3rd bluetooth base station and the 4th bluetooth base station, chooses maximum induction radius and the described R of described the 3rd bluetooth base station
athe induction radius of smaller value after adjusting as the 3rd bluetooth base station in half of distance between the 3rd bluetooth base station and the 4th bluetooth base station.
In the present embodiment, when two bluetooth base station induction radiuses are adjusted, the priority of two bluetooth base stations of judgement, the criterion of its priority is the size that radius is initially responded in two bluetooth base stations, determining that adjusting regulates after preferential again, guarantee the reasonable and accurate of adjusting.
To suppose that the 3rd bluetooth base station two-dimensional coordinate is for (1,1) by lower this adjustment process of simple example explanation below, the two-dimensional coordinate of the 4th bluetooth base station is (5,4).
The first situation: the induction radius that is 4, the four bluetooth base stations when the induction radius of the 3rd bluetooth base station is 3 o'clock.
Step 1: calculate and obtain distance R between the 3rd, the 4th bluetooth base station
a=5, preserve this data.
Step 2: because the induction radius of the 3rd bluetooth base station is 4 to be greater than the induction radius 3 of the 4th bluetooth base station, so the adjustment priority of the 3rd bluetooth base station is greater than the 4th bluetooth base station.
Step 3: regulate the induction radius of the 3rd bluetooth base station, the induction radius after the 3rd bluetooth base station adjustment is 2.5, judges afterwards the 4th bluetooth base station initial radium 3 and R
ahalf size of 2.5, obvious R
ahalf be less than the 4th bluetooth base station initial radium, be about to the 4th bluetooth base station induction radius and be adjusted into 2.5, now the 3rd, the 4th bluetooth base station range circle is tangent.
The second situation: the induction radius that is 4, the four bluetooth base stations when the induction radius of the 3rd bluetooth base station is 2 o'clock.
Step 1: calculate and obtain distance R between the 3rd, the 4th bluetooth base station
a=5, preserve this data.
Step 2: because the induction radius of the 3rd bluetooth base station is 4 to be greater than the induction radius 3 of the 4th bluetooth base station, so the adjustment priority of the 3rd bluetooth base station is greater than the 4th bluetooth base station.
Step 3: regulate the induction radius of the 3rd bluetooth base station, the induction radius after the 3rd bluetooth base station adjustment is 2.5, judges afterwards the 4th bluetooth base station initial radium 2 and R
ahalf size of 2.5, obvious the 4th bluetooth base station initial radium is less than R
ahalf, be about to the 4th bluetooth base station induction radius and remain 2, now the 3rd, the 4th bluetooth base station range circle be from.
The third situation: the induction radius that is 3, the four bluetooth base stations when the induction radius of the 3rd bluetooth base station is 4 o'clock.
Step 1: calculate and obtain distance R between the 3rd, the 4th bluetooth base station
a=5, preserve this data.
Step 2: because the induction radius of the 3rd bluetooth base station is 3 to be less than the induction radius 4 of the 4th bluetooth base station, so the adjustment priority of the 3rd bluetooth base station is less than the 4th bluetooth base station.
Step 3: regulate the induction radius of the 4th bluetooth base station, the induction radius after the 3rd bluetooth base station adjustment is 2.5, judges afterwards the 3rd bluetooth base station initial radium 3 and R
ahalf size of 2.5, obvious R
ahalf be less than the 3rd bluetooth base station initial radium, be about to the 3rd bluetooth base station induction radius and be adjusted into 2.5, now the 3rd, the 4th bluetooth base station range circle is tangent.
The 4th kind of situation: the second situation: the induction radius that is 3, the three bluetooth base stations when the induction radius of the 3rd bluetooth base station is 2 o'clock.
Step 1: calculate and obtain distance R between the 3rd, the 4th bluetooth base station
a=5, preserve this data.
Step 2: because the induction radius of the 3rd bluetooth base station is 2 to be less than the induction radius 4 of the 4th bluetooth base station, so the adjustment priority of the 3rd bluetooth base station is less than the 4th bluetooth base station.
Step 3: regulate the induction radius of the 4th bluetooth base station, the induction radius after the 3rd bluetooth base station adjustment is 2.5, judges afterwards the 3rd bluetooth base station initial radium 2 and R
ahalf size of 2.5, obvious the 3rd bluetooth base station initial radium is less than R
ahalf, be about to the 3rd bluetooth base station induction radius and remain 2, now the 3rd, the 4th bluetooth base station range circle be from.
Therein in an embodiment, after the described induction radius of adjusting respectively each bluetooth base station also in steps:
Store the induction radius of each bluetooth base station, and derive.
The induction radius of individual bluetooth base station is preserved, can be guaranteed the safety of data, avoid significant data due to various unexpected loss, after preservation, derive, so that user is transmitted, carries, studied data.
In an embodiment, the distance between described calculating the first bluetooth base station and the second bluetooth base station is specially therein:
Utilize formula
calculate the distance R between the first bluetooth base station and the second bluetooth base station
a, wherein, (x
a, y
a) coordinate of the first bluetooth base station, (x
b, y
b) be the coordinate of the second bluetooth base station.
Adopt rigorous formula of mathematical to obtain the distance between the first bluetooth base station and the second bluetooth base station, guarantee the accurate of data acquisition, improve the precision that bluetooth base station induction radius regulates.
As shown in Figure 3, a kind of bluetooth base station distance of reaction regulating system, comprising:
Data acquisition module 100, for obtaining bluetooth base station coordinates data;
Maximum induction radius calculation module 200, for calculating respectively the maximum induction radius of each bluetooth base station;
Coverage determination module 300, for responding to radius according to the maximum of described bluetooth base station coordinates data and described bluetooth base station, obtains the coverage of each bluetooth base station:
Induction radius adjusting module 400, when overlapping for having when the coverage of bluetooth base station, obtain between two the first bluetooth base station coordinates and the second bluetooth base station coordinates of overlapped coverage, calculate the distance between two bluetooth base stations, the induction radius of the first bluetooth base station is adjusted into half of distance between described two bluetooth base stations, the induction radius of smaller value after as the second bluetooth base station adjustment in half of distance between the maximum induction radius of choosing the second bluetooth base station and described two bluetooth base stations, wherein, coverage before the first bluetooth base station adjustment is greater than the coverage before the second bluetooth base station is adjusted,
Repetitive operation module 500, calls described induction radius adjusting module for repeatedly repeating, and adjusts respectively the induction radius of each bluetooth base station.
Bluetooth of the present invention base station distance of reaction regulating system, Obtaining Accurate coordinate data, calculate the maximum induction radius of each bluetooth base station, and according to the maximum induction radius of each bluetooth base station, determine the coverage of each bluetooth base station, when bluetooth base station range has when overlapping, choose between two the base station of two overlapped coverages, according to the coordinate of these two bluetooth base stations, calculate distance between the two, the coordinate that afterwards the large bluetooth base station of one of them coverage induction radius is adjusted to two bluetooth base stations calculates half of distance between the two, induction radius in another one bluetooth base station need to judge that the coordinate of two bluetooth base stations calculates himself induction radius size of a half-sum of distance between the two, choose wherein smaller value as the induction radius of this bluetooth base station, repeat above-mentioned regulating step, until all bluetooth base station ranges are no longer overlapping.Whole process, can be accurately according to each bluetooth base station coordinates, induction radius for overlapped coverage situation, adjust targetedly, final in whole application region, bluetooth base station the coverage of each bluetooth base station do not have overlapping situation, can be perfect, accurately, efficiently for each equipment in application region carries out data interaction service.
Therein in an embodiment, described maximum induction radius calculation module 200 specifically for, utilize formula
As shown in Figure 4, in an embodiment, described induction radius adjusting module concrete 400 comprises therein:
Coordinate acquiring unit 420, has when overlapping for the coverage when bluetooth base station, obtains between two the 3rd bluetooth base station coordinates and the 4th bluetooth base station coordinates of overlapped coverage;
Calculating storaging unit 440, for according to described the 3rd bluetooth base station coordinates and described the 4th bluetooth base station coordinates, calculates the distance between the 3rd bluetooth base station and the 4th bluetooth base station;
Priority is passed judgment on unit 460, for obtaining respectively the maximum induction radius of the 3rd bluetooth base station and the maximum induction radius of the 4th bluetooth base station, and according to the size of the maximum induction radius of the maximum induction radius of described the 3rd bluetooth base station and described the 4th bluetooth base station, pass judgment on the 3rd bluetooth base station and the 4th bluetooth base station induction radius adjustment priority;
The first adjustment unit 480, while being greater than the maximum induction radius of described the 4th bluetooth base station for the maximum induction radius when described the 3rd bluetooth base station, the induction radius adjustment priority of judging the 3rd bluetooth base station is greater than the 4th bluetooth base station, the induction radius of the 3rd bluetooth base station is adjusted into half of distance between the 3rd bluetooth base station and the 4th bluetooth base station, chooses the induction radius after as the 4th bluetooth base station adjustment of smaller value in half of distance between the maximum induction radius of described the 4th bluetooth base station and described the 3rd bluetooth base station and the 4th bluetooth base station;
The second adjustment unit 490, while being less than the maximum induction radius of described the 4th bluetooth base station for the maximum induction radius when described the 3rd bluetooth base station, the induction radius adjustment priority of judging the 3rd bluetooth base station induction radius is less than described the 4th bluetooth base station, the induction radius of the 4th bluetooth base station is adjusted into half of distance between described the 3rd bluetooth base station and the 4th bluetooth base station, chooses maximum induction radius and the described R of described the 3rd bluetooth base station
athe induction radius of smaller value after adjusting as the 3rd bluetooth base station in half of distance between the 3rd bluetooth base station and the 4th bluetooth base station.
In an embodiment, described bluetooth base station distance of reaction regulating system also comprises therein:
Memory module, for storing the induction radius of each bluetooth base station, and derives.
In an embodiment, the distance between two bluetooth base stations of described calculating is specially therein:
Utilize formula
calculate the distance R between the first bluetooth base station and the second bluetooth base station
a, wherein, (x
a, y
a) coordinate of the first bluetooth base station, (x
b, y
b) be the coordinate of the second bluetooth base station.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a bluetooth base station distance of reaction control method, is characterized in that, comprises step:
Obtain bluetooth base station coordinates data;
Calculate respectively the maximum induction radius of each bluetooth base station;
Maximum induction radius according to described bluetooth base station coordinates data and described bluetooth base station, obtains the coverage of each bluetooth base station;
When the coverage of bluetooth base station has when overlapping, obtain between two the first bluetooth base station coordinates and the second bluetooth base station coordinates of overlapped coverage, calculate the distance between two bluetooth base stations, the induction radius of the first bluetooth base station is adjusted into half of distance between described two bluetooth base stations, the induction radius of smaller value after as the second bluetooth base station adjustment in half of distance between the maximum induction radius of choosing the second bluetooth base station and described two bluetooth base stations, wherein, coverage before the first bluetooth base station adjustment is greater than the coverage before the second bluetooth base station is adjusted,
Repeatedly repeat previous step, adjust respectively the induction radius of each bluetooth base station.
2. bluetooth according to claim 1 base station distance of reaction control method, is characterized in that, the described maximum induction radius that calculates respectively each bluetooth base station is specially:
Utilize formula
Calculate the maximum induction radius R of each bluetooth base station, wherein, (x
i, y
i) be bluetooth base station coordinates data, (x
nj, y
nj) be with coordinate points (x
i, y
i) centered by stretch out and find out the point coordinates that senses of current bluetooth base station in N point, N is positive integer.
3. bluetooth according to claim 1 and 2 base station distance of reaction control method, it is characterized in that, the described coverage when bluetooth base station has when overlapping, obtain between two the first bluetooth base station coordinates and the second bluetooth base station coordinates of overlapped coverage, calculate the distance between two bluetooth base stations, the induction radius of the first bluetooth base station is adjusted into half of distance between described two bluetooth base stations, choose the induction radius after as the second bluetooth base station adjustment of smaller value in half of the maximum induction radius of described bluetooth base station and the distance between described two bluetooth base stations and specifically comprise step:
When the coverage of bluetooth base station has when overlapping, obtain between two the first bluetooth base station coordinates and the second bluetooth base station coordinates of overlapped coverage;
According to described the first bluetooth base station coordinates and described the second bluetooth base station coordinates, calculate the distance between the first bluetooth base station and the second bluetooth base station, and preserve;
Obtain respectively the maximum induction radius of the first bluetooth base station and the maximum induction radius of the second bluetooth base station, and according to the size of the maximum induction radius of the maximum induction radius of described the first bluetooth base station and described the second bluetooth base station, pass judgment on the first bluetooth base station and the second bluetooth base station induction radius adjustment priority;
When the maximum induction radius of described the first bluetooth base station is greater than the maximum induction radius of described the second bluetooth base station, the induction radius adjustment priority of judging the first bluetooth base station is greater than the second bluetooth base station, the induction radius of the first bluetooth base station is adjusted into half of distance between the first bluetooth base station and the second bluetooth base station, chooses the induction radius after as the second bluetooth base station adjustment of smaller value in half of distance between the maximum induction radius of described the second bluetooth base station and described the first bluetooth base station and the second bluetooth base station;
When the maximum induction radius of described the first bluetooth base station is less than the maximum induction radius of described the second bluetooth base station, the induction radius adjustment priority of judging the first bluetooth base station induction radius is less than described the second bluetooth base station, the induction radius of the second bluetooth base station is adjusted into half of distance between described the first bluetooth base station and the second bluetooth base station, chooses the induction radius after as the first bluetooth base station adjustment of smaller value in half of distance between the maximum induction radius of described the first bluetooth base station and described the first bluetooth base station and the second bluetooth base station.
4. bluetooth according to claim 1 and 2 base station distance of reaction control method, is characterized in that, after the described induction radius of adjusting respectively each bluetooth base station also in steps:
Store the induction radius of each bluetooth base station, and derive.
5. bluetooth according to claim 1 and 2 base station distance of reaction control method, is characterized in that, the distance between described calculating the first bluetooth base station and the second bluetooth base station is specially:
Utilize formula
calculate the distance R between the first bluetooth base station and the second bluetooth base station
a, wherein, (x
a, y
a) coordinate of the first bluetooth base station, (x
b, y
b) be the coordinate of the second bluetooth base station.
6. a bluetooth base station distance of reaction regulating system, is characterized in that, comprising:
Data acquisition module, for obtaining bluetooth base station coordinates data;
Maximum induction radius calculation module, for calculating respectively the maximum induction radius of each bluetooth base station;
Coverage determination module, for responding to radius according to the maximum of described bluetooth base station coordinates data and described bluetooth base station, obtains the coverage of each bluetooth base station:
Induction radius adjusting module, when overlapping for having when the coverage of bluetooth base station, obtain between two the first bluetooth base station coordinates and the second bluetooth base station coordinates of overlapped coverage, calculate the distance between two bluetooth base stations, the induction radius of the first bluetooth base station is adjusted into half of distance between described two bluetooth base stations, the induction radius of smaller value after as the second bluetooth base station adjustment in half of distance between the maximum induction radius of choosing the second bluetooth base station and described two bluetooth base stations, wherein, coverage before the first bluetooth base station adjustment is greater than the coverage before the second bluetooth base station is adjusted,
Repetitive operation module, calls described induction radius adjusting module for repeatedly repeating, and adjusts respectively the induction radius of each bluetooth base station.
7. bluetooth according to claim 6 base station distance of reaction regulating system, is characterized in that, described maximum induction radius calculation module specifically for, utilize formula
8. according to the bluetooth base station distance of reaction regulating system described in claim 6 or 7, it is characterized in that, described induction radius adjusting module specifically comprises:
Coordinate acquiring unit, has when overlapping for the coverage when bluetooth base station, obtains between two the first bluetooth base station coordinates and the second bluetooth base station coordinates of overlapped coverage;
Calculating storaging unit, for according to described the first bluetooth base station coordinates and described the second bluetooth base station coordinates, calculates the distance between the first bluetooth base station and the second bluetooth base station, and preserves;
Priority is passed judgment on unit, for obtaining respectively the maximum induction radius of the first bluetooth base station and the maximum induction radius of the second bluetooth base station, and according to the size of the maximum induction radius of the maximum induction radius of described the first bluetooth base station and described the second bluetooth base station, pass judgment on the first bluetooth base station and the second bluetooth base station induction radius adjustment priority;
The first adjustment unit, while being greater than the maximum induction radius of described the second bluetooth base station for the maximum induction radius when described the first bluetooth base station, the induction radius adjustment priority of judging the first bluetooth base station is greater than the second bluetooth base station, the induction radius of the first bluetooth base station is adjusted into half of distance between the first bluetooth base station and the second bluetooth base station, chooses the induction radius after as the second bluetooth base station adjustment of smaller value in half of distance between the maximum induction radius of described the second bluetooth base station and described the first bluetooth base station and the second bluetooth base station;
The second adjustment unit, while being less than the maximum induction radius of described the second bluetooth base station for the maximum induction radius when described the first bluetooth base station, the induction radius adjustment priority of judging the first bluetooth base station induction radius is less than described the second bluetooth base station, the induction radius of the second bluetooth base station is adjusted into half of distance between described the first bluetooth base station and the second bluetooth base station, chooses maximum induction radius and the described R of described the first bluetooth base station
athe induction radius of smaller value after adjusting as the first bluetooth base station in half of distance between the first bluetooth base station and the second bluetooth base station.
9. according to the bluetooth base station distance of reaction regulating system described in claim 6 or 7, it is characterized in that, also comprise:
Memory module, for storing the induction radius of each bluetooth base station, and derives.
10. according to the bluetooth base station distance of reaction regulating system described in claim 6 or 7, it is characterized in that, the distance between two bluetooth base stations of described calculating is specially:
Utilize formula
calculate the distance R between the first bluetooth base station and the second bluetooth base station
a, wherein, (x
a, y
a) coordinate of the first bluetooth base station, (x
b, y
b) be the coordinate of the second bluetooth base station.
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