CN107277772A - A kind of wireless access independent positioning method and device, computer-readable recording medium - Google Patents
A kind of wireless access independent positioning method and device, computer-readable recording medium Download PDFInfo
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- CN107277772A CN107277772A CN201710552781.9A CN201710552781A CN107277772A CN 107277772 A CN107277772 A CN 107277772A CN 201710552781 A CN201710552781 A CN 201710552781A CN 107277772 A CN107277772 A CN 107277772A
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- geography fence
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/003—Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment
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Abstract
This application provides a kind of wireless access independent positioning method, belong to field of computer technology, solve the problem of WAP positioning result is inaccurate present in prior art.Methods described includes：Obtain the initial position for the WAP that mobile scanning terminal is arrived；According to the Location Request data of mobile terminal, the related WAP of WAP to be positioned is determined；According to the positional information of the WAP to be positioned and the related WAP, it is determined that the building geography fence for correcting the WAP to be positioned；According to the WAP to be positioned and its related WAP relative to the location distribution information of the building geography fence, the initial position of the WAP to be positioned is corrected.Wireless access independent positioning method disclosed in the present application, is corrected to the initial position of WAP by combining related WAP and geography fence information, can further improve the positioning precision of WAP.
Description
Technical field
The application is related to field of locating technology, and more particularly to a kind of wireless access independent positioning method and device, electronics are set
It is standby.
Background technology
There is the mobile terminal of many such as wearable devices in Vehicles Collected from Market, with functions such as positioning, communications, positioning is again it
In critical function.This kind equipment is positioned using GPS (global positioning system) mode mostly in outdoor environment, but is such as being handled official business
GPS location mode can then fail under the indoor environment of building contour level building.Therefore, lost to make up GPS location under indoor environment
The defect of effect, it is proposed that using base station or WAP (e.g., WiFi (Wireless Fidelity) WLAN) side
Formula is positioned.But in the prior art, generally there is larger position error in architecture, and the reality of wireless access point location
The WAP searched, such as Wi-Fi hotspot, and the WAP searched, such as WiFi are now depended on positioning precision
Beyond the clouds whether server has advance calibration position to focus.Therefore, accurately WAP is positioned, can be further
Improve the precision of wireless access point location.
Certain several gps data position and respective wireless access point signals intensity is relied in the prior art to carry out wireless access
The position judgment of point., there is larger error in dtr signal when being positioned indoors due to GPS, and indoor environment is complicated, signal attenuation
Factor is more, therefore in the absence of single reliable signal attenuation model, certain several gps data position and respective wireless are relied on merely
Access point signals intensity carries out the position judgment of WAP, and error is larger.
The content of the invention
The application provides a kind of wireless access independent positioning method, solves to determine WAP present in prior art
The problem of position result is inaccurate.
In order to solve the above problems, in a first aspect, the embodiment of the present application provides a kind of wireless access independent positioning method bag
Include：
Obtain the initial position for the WAP that mobile scanning terminal is arrived；
According to the Location Request data of mobile terminal, the related WAP of WAP to be positioned is determined；
According to the positional information of the WAP to be positioned and the related WAP, it is determined that for correcting institute
State the building geography fence of WAP to be positioned；
According to the WAP to be positioned and its related WAP relative to the position for building geography fence
Distributed intelligence is put, the initial position of the WAP to be positioned is corrected；
Wherein, the WAP to be positioned is selected from the WAP that the mobile scanning terminal is arrived.
Second aspect, the embodiment of the present application provides a kind of wireless access location device, including：
Initial alignment module, the initial position for obtaining the WAP that mobile scanning terminal is arrived；
Related WAP determining module, for the Location Request data according to mobile terminal, is determined to be positioned wireless
The related WAP of access point；
Geography fence determining module is built, for according to the WAP to be positioned and the related WAP
Positional information, it is determined that the building geography fence for correcting the WAP to be positioned；
Wireless access point location corrects module, for being enclosed according to the related WAP relative to the building geography
The location distribution information on column, the initial position of the WAP to be positioned determined to the initial alignment module is corrected；
Wherein, the WAP to be positioned is selected from the WAP that the mobile scanning terminal is arrived.
The third aspect, the embodiment of the present application provides a kind of computer-readable recording medium, is stored thereon with computer journey
Sequence, when the program is executed by processor disclosed in the embodiment of the present application the step of wireless access independent positioning method.
Wireless access independent positioning method disclosed in the embodiment of the present application, by obtaining the wireless access that mobile scanning terminal is arrived
The initial position of point, and according to the Location Request data of mobile terminal, determine the related wireless access of WAP to be positioned
Point, then, according to the positional information of the WAP to be positioned and the related WAP, it is determined that for correcting institute
The building geography fence of WAP to be positioned is stated, finally, is wirelessly connect according to the WAP to be positioned and its correlation
Access point is carried out relative to the location distribution information of the building geography fence to the initial position of the WAP to be positioned
Correct, the problem of solving inaccurate to the positioning result of WAP present in prior art.By combining related nothing
Line access point and geography fence information are corrected to the initial position of WAP, can further be improved to wireless access
The positioning precision of point.
Brief description of the drawings
, below will be in embodiment or description of the prior art in order to illustrate more clearly of the technical scheme of the embodiment of the present application
The required accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are only some realities of the application
Example is applied, for those of ordinary skill in the art, without having to pay creative labor, can also be attached according to these
Figure obtains other accompanying drawings.
Fig. 1 is the wireless access independent positioning method flow chart of the embodiment of the present application one；
Fig. 2 is the flow chart of the wireless access independent positioning method of the embodiment of the present application two；
Fig. 3 is one of WAP positioning device structure schematic diagram of the embodiment of the present application three；
Fig. 4 is the two of the WAP positioning device structure schematic diagram of the embodiment of the present application three；
Fig. 5 is the three of the WAP positioning device structure schematic diagram of the embodiment of the present application three.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out clear, complete
Site preparation is described, it is clear that described embodiment is some embodiments of the present application, rather than whole embodiments.Based on this Shen
Please in embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of the application protection.
Embodiment one
A kind of wireless access independent positioning method disclosed in the present embodiment, as shown in figure 1, this method includes：Step 100 is to step
Rapid 120.
Step 100, the initial position for the WAP that mobile scanning terminal is arrived is obtained.
When mobile terminal turn-on data acquisition function, gps system can be positioned to mobile terminal in real time, meanwhile, will
Mobile scanning terminal to wireless access point list and GPS location data be sent to location-server, wherein, the GPS location
Data at least include：Geographical position coordinates and timestamp；Wireless access point list at least includes：Wireless access point names and signal
Intensity.When it is implemented, the data that the data acquisition function of mobile terminal is transmitted to location-server can be stored in database
In (such as being named as outWifi database), wherein, including wireless access point list and GPS location data.Then, position
The geographical position coordinates and timestamp for the mobile terminal that server is reported by applications client, and wireless access point list,
Determine the initial position of WAP recorded in wireless access point list.When it is implemented, according to mobile terminal reporting
GPS location data, determine the geographical position of mobile terminal, and regard the geographical position of mobile terminal as the mobile scanning terminal
The initial position of the WAP arrived.
Step 110, according to the Location Request data of mobile terminal, the related wireless access of WAP to be positioned is determined
Point.
WAP that can also be near real time scan when mobile terminal opens Location Request function, and will scan
WAP is easy to the location-server to pass through wireless by the location-server of applications client real-time report to the application
Access-in point information is positioned to the mobile terminal.Generally, the WAP information of mobile terminal reporting at least includes：Wirelessly
APN, sweep time and WAP signal intensity.When it is implemented, Location Request function can be reported
WAP data storage is in the database for being named as Report WAPs.
The WAP to be positioned is selected from the WAP that the mobile scanning terminal is arrived.When it is implemented,
Determine that the WAP that the mobile scanning terminal is arrived carries out confidence score first.Confidence score is used to weigh wirelessly to connect
Access point refers to degree.When it is implemented, confidence score to be met to the WAP of certain threshold requirement as credible
WAP.Then, the WAP information of mobile terminal reporting, enters when opening Location Request function according to mobile terminal
One step determines the authentic wireless access point being scanned simultaneously with the WAP to be positioned, to be positioned wireless as correcting
Reference candidate's WAP during access point.Finally, calculate each with reference to candidate's WAP and to be positioned wireless respectively
The Relevance scores of access point, and determine that Relevance scores meet reference candidate's wireless access of point threshold values such as default correlation
Put the related WAP as the WAP to be positioned.When it is implemented, wirelessly being connect with reference to candidate for each
Access point, the number of times that can be scanned according to WAP to be positioned, this is with reference to candidate's WAP and to be positioned wireless
Number of times that access point is scanned simultaneously, the signal intensity of WAP to be positioned and this with reference to candidate's WAP
Signal intensity determines the Relevance scores with reference to candidate's WAP and WAP to be positioned.
Step 120, according to the positional information of the WAP to be positioned and the related WAP, it is determined that with
In the building geography fence for correcting the WAP to be positioned.
Geography fence (Geo-fencing) is a kind of LBS (location Based service) new opplication, be with one it is virtual
Fence crosses a virtual geographic boundary.When mobile phone entrance, some specific geographical area is left, or when movable in the region,
Mobile phone can receive automatic notify and warning.All include building geography fence information in current map datum.Generally, it is described to build
It is to build the GPS location data on geometric shape summit to build geography fence data, can be obtained from map datum.
When it is implemented, the building geography fence in WAP preset range to be positioned can be for example determined first,
Then it is calculated respectively for each building geography fence and refer to score, and select the building geography fence with reference to highest scoring to make
For the target structures geography fence corrected to WAP to be positioned.When it is implemented, the building geography fence
Following parameter is based on reference to score and calculates acquisition, such as：The distance of the WAP to be positioned and the building geography fence, this treats
What is included in the related WAP of positioning WAP and the distance of the building geography fence, the building geography fence treats
Position quantity of WAP WAP related to the WAP to be positioned etc..
Step 130, it is geographical relative to the building according to the WAP to be positioned and its related WAP
The location distribution information of fence, is corrected to the initial position of the WAP to be positioned.
After being determined the building geography fence for the WAP to be positioned, to be positioned wirelessly connect according to described
The distance and relative direction of access point and the center of gravity of the building geography fence, to the WAP to be positioned according to the first power
First geographical position correction is carried out again；Then, further according to each related wireless access of the WAP to be positioned
Point and the distance of the center of gravity of the building geography fence, are carried out again to the WAP to be positioned according to the second weight
Position is managed to correct.When it is implemented, being located proximate to the building geography fence according to cause the WAP to be positioned
Center of gravity target, the initial position of the WAP to be positioned is corrected.Wherein, the first weight and the second weight
It is determined by experiment.
Wireless access independent positioning method disclosed in the embodiment of the present application, by obtaining the wireless access that mobile scanning terminal is arrived
The initial position of point, and according to the Location Request data of mobile terminal, determine the related wireless access of WAP to be positioned
Point, then, according to the positional information of the WAP to be positioned and the related WAP, it is determined that for correcting institute
The building geography fence of WAP to be positioned is stated, finally, is wirelessly connect according to the WAP to be positioned and its correlation
Access point is carried out relative to the location distribution information of the building geography fence to the initial position of the WAP to be positioned
Correct, and using the position after correction as the accurate location of the WAP to be positioned, solve and exist in the prior art
WAP positioning result it is inaccurate the problem of.By combining related WAP and geography fence information to wirelessly connecing
The initial position of access point is corrected, and can further improve the positioning precision of WAP.
Embodiment two
Based on embodiment one, a kind of wireless access independent positioning method disclosed in the present embodiment, as shown in Fig. 2 methods described
Including：Step 200 is to step 240.
Step 200, the initial position for the WAP that mobile scanning terminal is arrived is obtained.
The concrete scheme of initial position for the WAP that mobile scanning terminal is arrived is obtained referring to embodiment one, this implementation
Repeated no more in example.
Generally, location-server can receive the GPS location data of the mobile terminal reporting of mass users and scan
Wireless access point list, location-server can determine whether the initial bit of each WAP recorded in wireless access point list
Put.
Step 210, indoor skewed popularity score is selected to be more than the WAP conduct of default indoor skewed popularity score threshold
WAP to be positioned.
Wherein, the indoor skewed popularity score is used for the degree for indicating that WAP deviation is indoor.When it is implemented, root
The WAP Location Request data sent according to the GPS location data and mobile terminal of mobile terminal, determine that mobile terminal is swept
The indoor skewed popularity score for the WAP retouched.
Given a mark when it is implemented, indoor skewed popularity can also be carried out to the WAP scanned first, and according to pre-
The indoor skewed popularity score threshold selection first set needs the WAP corrected, that is, needs pinpoint wirelessly to connect
Access point.The indoor skewed popularity score is used for the degree for indicating that WAP deviation is indoor.The indoor higher table of skewed popularity score
Show the more closer indoor center of WAP；Indoor skewed popularity score is smaller, represents WAP closer to outdoor.Work as nothing
When the indoor skewed popularity score of line access point is more than the indoor skewed popularity score threshold, it is believed that the initial bit of the WAP
Put inaccurate, it is necessary to be corrected.The computational methods of indoor skewed popularity score are exemplified below：N1=1/ (1+exp (- K0-K1*M1-
K2*M2), wherein K0, K1, K2Layer parameter, M are hidden for neural network algorithm1According to WAP in out wireless access point datas
Times of collection Colect in storehouse1, number of users Client1, collection number of days Date1Determination, meet M1=1/ (1+exp (- Km0-
Km1*Colect1-Km2*Client1-Km3*Date1)), wherein Km0,Km1,Km2Layer parameter is hidden for neural network algorithm；M2Root
According to WAP in Report WAPs times of collection Colect2, number of users Client2, collection number of days Date2Really
It is fixed, meet M2=1/ (1+exp (- Kn0-Kn1*Colect2-Kn2*Client2-Kn3*Date2)), wherein Kn0,Kn1,Kn2For god
Layer parameter is hidden through network algorithm.The parameter of neural network algorithm hidden layer is obtained by training data training, no longer detailed herein
State training process of the application through network.When it is implemented, the indoor deviation of WAP can also be determined using other method
Property score, the application do not limited the specific method of indoor skewed popularity score for calculating WAP.
When it is implemented, indoor skewed popularity can be selected to be more than the WAP of indoor skewed popularity score threshold as treating
Position WAP.The indoor skewed popularity score threshold is according to the distribution of specific marking result and the reality of data using effect
Test data determination.
Assuming that location-server determines the initial position of 1000 WAPs, by according to indoor skewed popularity score
Screened, the initial position that may only determine 200 WAPs therein is to need to correct.
Step 220, according to the Location Request data of mobile terminal, the related wireless access of WAP to be positioned is determined
Point.
The Location Request data of the mobile terminal at least include：The wireless access point names that scan, sweep time.Institute
State WAP to be positioned and be selected from the WAP that arrives of the mobile scanning terminal, to be positioned wirelessly connect for example, described
Access point is one in 200 WAPs obtained after the screening of indoor skewed popularity score.Mobile terminal reporting is positioned
WAP information in request data at least includes：The wireless access point names that scan, sweep time and wirelessly connect
Access point signals intensity.According to the Location Request data of mobile terminal, the related WAP of WAP to be positioned is determined,
Including sub-step 2201 to sub-step 2204.
Sub-step 2201, the mobile scanning terminal to WAP in, selection confidence score is more than default
The WAP of confidence score threshold value is used as authentic wireless access point.
What the confidence score was used to weighing WAP refers to degree.Confidence score is according to each wirelessly connecing
The features such as number of times that access point is scanned, sweep time, and the number of users scanned are determined.When it is implemented, positioning clothes
WAP information in the Location Request that business device can be reported according to the client received, it is determined that each WAP
The features such as the number of times that is scanned, sweep time, and the number of users scanned, and based on features described above to the wireless access
Point carries out reliability scoring.For example, calculating the confidence score of WAP by below equation:1/(1+exp(-K0-K1*
R1-K2*R2-K3*R3)), wherein, K0, K1, K2, K3Layer parameter is hidden for neural network algorithm, value is determined according to training data,
R1 is the number of times that WAP is scanned, R2For sweep time, R3To scan the number of users to the WAP.
When it is implemented, the confidence score of the WAP scanned, this Shen can also be calculated by other formula
It please will not enumerate.The number of times being scanned is higher, and sweep time distribution is wider, and number of users more at most confidence score is more
It is high.The believable less WAP of score is probably mobile wireless access point, or jitter WAP,
Without correction reference value.Then, selection confidence score is more than the WAP conduct of default confidence score threshold value
Authentic wireless access point.When it is implemented, confidence score threshold value is determined according to experimental result.
Sub-step 2202, according to the Location Request data of mobile terminal, it is determined that scanned with WAP to be positioned simultaneously
The authentic wireless access point arrived is as with reference to candidate's WAP.
Then, the Location Request data of all mobile terminal reportings are traveled through, i.e., in the database of Report WAPs
The data of storage, according to the sweep time in Location Request data, determine that all mobile terminals arrive some wireless access in scanning
During point (being such as designated as WAP A), while the authentic wireless access point scanned, as with reference to candidate's WAP, example
Such as it is designated as WAP B.
Sub-step 2203, it is determined that the Relevance scores of each reference candidate WAP.
The Location Request data also include：Signal intensity, each reference candidate WAP of the determination
Relevance scores, including：It is scanned simultaneously according to the reference candidate WAP and the WAP to be positioned
Ratio, the difference in signal strength of the reference candidate WAP and WAP to be positioned, determine the reference candidate
The Relevance scores of WAP.WAP A is designated as with WAP to be positioned, with reference to candidate's WAP note
Exemplified by WAP B, further according to WAP B and WAP A simultaneously be scanned ratio, wirelessly connect
The data such as the difference in signal strength between access point B and WAP A is scanned simultaneously when, calculate Relevance scores, to determine
WAP A related WAP in WAP B, for example, related WAP is designated as into WAP
C。
When it is implemented, may have multiple with the WAP A WAP B being scanned simultaneously, i.e., it is mobile whole
When WAP A is arrived in end scanning, while the WAP near WAP A can be scanned, i.e. WAP B.
It is determined that WAP A related WAP when, can specifically be judged according to the inspection target specified, it is described to examine
Examining index can at least include：Ratio, the difference in signal strength being scanned simultaneously.When it is implemented, the reference candidate is wireless
The Relevance scores of access point are scanned simultaneously with the reference candidate WAP and the WAP to be positioned
Ratio positive correlation, the difference in signal strength positive correlation with the reference candidate WAP and WAP to be positioned.Example
Such as, can be close with WAP to be positioned with selection signal intensity, and the ratio being scanned simultaneously with WAP A
More than preset ratio WAP B as WAP A related WAP.A certain WAP B is with treating
Positioning WAP A is scanned WAP B and the WAP A to be positioned that ratio is equal to and swept simultaneously simultaneously
Retouch the ratio of number of times and the WAP A to be positioned number of times being scanned altogether.The ratio being scanned simultaneously is higher, related
Property score is higher.A certain WAP B is with WAP signal intensity to be positioned closer to Relevance scores are higher.
When it is implemented, being included with the inspection target：The ratio that is scanned simultaneously, exemplified by difference in signal strength, can be with
Used formula RelativeScore=T1/T2+ (Signal (WAP A)-Signal (WAP B))/
MaxSignalTH represents, wherein, RelativeScore is Relevance scores, T1For WAP A and candidate's wireless access
The number of times that point B is scanned simultaneously, T2The total degree being scanned for WAP A, MaxSignalTH is WAP
Demarcation maximum signal, be constant, Signal (WAP B) and Signal (WAP A) are respectively scanning
The reference candidate WAP and the signal intensity of WAP to be positioned arrived.
Candidate's WAP and WAP to be positioned are referred to when it is implemented, can also be calculated by other formula
Relevance scores, the application will not enumerate.
Sub-step 2204, determines that Relevance scores are more than the reference candidate wireless access of default Relevance scores threshold value
Point, is used as the related WAP of the WAP to be positioned.
Finally, selection Relevance scores are more than candidate's WAP of default Relevance scores threshold value as described undetermined
The related WAP of position WAP, for example, being designated as WAP C.When it is implemented, Relevance scores threshold value root
Determined according to experimental data.
Step 230, wirelessly connect according to the WAP to be positioned and its WAP to be positioned and the correlation
The positional information of access point, it is determined that the building geography fence for correcting the WAP to be positioned.
According to the positional information of the WAP to be positioned and the related WAP, it is determined that for correcting institute
The building geography fence of WAP to be positioned is stated, including：Determine building in the WAP preset range to be positioned
Build geography fence；According to the WAP to be positioned and the related WAP relative to the building geography fence
Distribution distance and density, it is determined that the reference score of each building geography fence；Determine building for the reference highest scoring
It is the building geography fence for correcting the WAP to be positioned to build geography fence.When it is implemented, the default side
Position is determined according to business demand, for example, could be arranged to 100 meters.
Generally, the building geography fence data are to build the GPS location data on geometric shape summit, can be from map number
Obtained according to middle, the form of building geography fence data is exemplified below：Square building, four summit arranged counterclockwises [31.0,
120,31.0,120.01,31.01,120.01,31.01,120], i.e. building geography fence data include region shared by building
Four points coordinate.When it is implemented, determining first in WAP to be positioned (such as WAP A) preset range
Geography fence FenceA is built, then calculating it respectively for each building geography fence FenceA refers to score, and selects ginseng
The building geography fence of highest scoring is examined as the target structures geography fence corrected to WAP to be positioned.It is preferred that
, build geography fence reference score between the building geography fence FenceA and its corresponding WAP to be positioned
Distance it is negatively correlated, between the related WAP of the building geography fence and its corresponding WAP to be positioned
Distance is negatively correlated, it is related with the WAP to be positioned in the building geography fence and the WAP to be positioned wirelessly
The quantity positive correlation of access point.It is preferred that, calculate building geography fence reference score when, WAP to be positioned with it is described
The weight for building the distance of geography fence is more than related WAP and the weight of the distance of the building geography fence.
For example, the reference score Socre of the building geography fence (such as FenceA) of WAP (such as WiFiA) to be positioned
It can be expressed as：
FenceAScore=W1* 1/ (Distance (FenceA, WiFiA)+0.1)+W2* 1/ (Distance (FenceA,
WiFiB)+0.1)+W3* NumberofInclude (FenceA, WiFiA)+W4* NumberofInclude (FenceA, WiFiB).
Wherein, Distance () represents the distance of FenceA and WAP, if FenceA includes WAP, distance
For 0.If FenceA does not include WAP, Distance () is equal to building geography fence center of gravity and WAP
The distance between.NumberofInclude (FenceA, WiFiB) represents the WAP included in geography fence FenceA
Quantity.W1、W2、W3And W4It is the corresponding weight of corresponding entry index, wherein, W3>W4,W1>W2, the value of weight is according to specific need
Ask setting.
Step 240, the location distribution information according to the related WAP relative to the building geography fence, right
The initial position of the WAP to be positioned is corrected.
After being determined the building geography fence for correcting the WAP to be positioned, according to the nothing to be positioned
Line access point and the distance and relative direction of the center of gravity of the building geography fence, to the WAP to be positioned according to the
One weight carries out first geographical position correction；Then, further according to each described related wireless of the WAP to be positioned
Access point and the distance of the center of gravity of the building geography fence, are carried out again to the WAP to be positioned according to the second weight
Correct in secondary geographical position.When it is implemented, according to cause the WAP to be positioned to be located proximate to the building geographical
The target of the center of gravity of fence, is corrected to the initial position of the WAP to be positioned.Wherein, the first weight and second
Weight is determined by experiment.
Using WAP to be positioned be WiFi A, related WAP as WiFiC, building geography fence be FenceA
Exemplified by, it is first determined WiFiA to be positioned is with building the distance between geography fence FenceA centers of gravity L1, and to be positioned wirelessly connect
Direction Orients of the access point WiFiA relative to building geography fence FenceA centers of gravity.Then, it is right on the direction Orient
WAP WiFiA to be positioned position carries out geographical position correction.
When carrying out first geographical position correction, first, WAP WiFiA positions to be positioned are placed in FenceA weights
At the heart, along the opposite directions of Orient, the initial position of the WAP WiFi A to be positioned is moved into M1*L1Distance, makes
Obtain WAP WiFiA to be positioned and leave building geography fence FenceA centers of gravity, be intended to WAP WiFiA initial
Locality.Wherein, M1It is the first weight determined according to experimental data, M1=2*K0/(1+exp(K1/L1)), the weight ensures
No matter L1Much, WAP WiFiA displacements are less than K0*L1,K0With K1For constant, determined according to experimental data.
Afterwards, then each related WAP WiFiC and the institute of the WAP WiFiA to be positioned are determined
State building geography fence center of gravity apart from L2, and along direction opposite Orient, by the WAP WiFiA to be positioned
Further move M in the position obtained after first moved further2*L2Distance so that WAP WiFiA to be positioned is in building
In geography fence FenceA.Wherein, M2It is the second weight determined according to experimental data, M2=2*H0/(1+exp(H1/L2)),H0
With H1For constant, determined according to experimental data, and first weight is more than second weight.By to be positioned wireless
Access point and related WAP the correction weight different from the distance setting of the center of gravity of building geography fence, can be further
Improve setting accuracy.
Every threshold value and parameter in the embodiment of the present application are determined by experiment.When it is implemented, pre-setting instruction
Practice data set and validation data set, the value of every threshold value and parameter is rule of thumb set first, entangled based on training data
Positive result, then the physical location with validation data set be compared, the value of constantly every threshold value and parameter afterwards so that
To correction result and physical location between difference reach minimum, every threshold value and the value of parameter now are optimal value, i.e.,
Every threshold value and parameter value when this method is run.
Wireless access independent positioning method disclosed in the embodiment of the present application, by obtaining the wireless access that mobile scanning terminal is arrived
The initial position of point, and select indoor skewed popularity score to be more than the WAP of default indoor skewed popularity score threshold as treating
WAP is positioned, then according to the Location Request data of mobile terminal, determines that the correlation of WAP to be positioned is wireless
Access point, in the positional information according to the WAP to be positioned and the related WAP, it is determined that for correcting
The building geography fence of the WAP to be positioned, it is finally, wireless according to the WAP to be positioned and its correlation
Access point enters relative to the location distribution information of the building geography fence to the initial position of the WAP to be positioned
Row is corrected, and solves the problem of WAP positioning result is inaccurate present in prior art.It is related wireless by combining
Access point and geography fence information are corrected to the initial position of WAP, can further improve WAP
Positioning precision.By setting indoor skewed popularity score condition so that only to being carried out for it close to outdoor indoor wireless access point
Correct, location efficiency can be improved.
Embodiment three
A kind of wireless access location device disclosed in the present embodiment, as shown in figure 3, described device includes：
Initial alignment module 300, the initial position for obtaining the WAP that mobile scanning terminal is arrived；
Related WAP determining module 310, for the Location Request data according to mobile terminal, determines nothing to be positioned
The related WAP of line access point；
Geography fence determining module 320 is built, for wirelessly being connect according to the WAP to be positioned and the correlation
The positional information of access point, it is determined that the building geography fence for correcting the WAP to be positioned；
Wireless access point location corrects module 330, for wirelessly being connect according to the WAP to be positioned and its correlation
Access point is relative to the location distribution information of the building geography fence, to be positioned wirelessly the connecing to initial alignment module determination
The initial position of access point is corrected；
Wherein, the WAP to be positioned is selected from the WAP that the mobile scanning terminal is arrived.
Optionally, as shown in figure 4, the related WAP determining module 310 includes：
Authentic wireless access point determining unit 3101, for the mobile scanning terminal to WAP in, choosing
Select confidence score and be more than the WAP of default confidence score threshold value as authentic wireless access point；
With reference to candidate's WAP determining unit 3102, for the Location Request data according to mobile terminal, it is determined that with
The authentic wireless access point that WAP to be positioned is scanned simultaneously is as with reference to candidate's WAP；
Relevance scores determining unit 3103, for determining that the correlation of each reference candidate WAP is obtained
Point；
Related WAP determining unit 3104, for determining that Relevance scores are more than default Relevance scores threshold value
The reference candidate WAP, is used as the related WAP of the WAP to be positioned；
Wherein, what the confidence score was used to weighing WAP refers to degree；The positioning of the mobile terminal
Request data at least includes：The wireless access point names that scan, sweep time.
Optionally, the Location Request data also include：Signal intensity, the Relevance scores determining unit 3103 is used
In：Ratio, the ginseng being scanned simultaneously according to the reference candidate WAP and the WAP to be positioned
The difference in signal strength of candidate's WAP and WAP to be positioned is examined, the phase of the reference candidate WAP is determined
Closing property score.
Optionally, as shown in figure 4, the building geography fence determining module 320 includes：
Geography fence search unit 3201 is built, for determining the building in the WAP preset range to be positioned
Geography fence；
With reference to score determining unit 3202, for according to the WAP to be positioned and the related WAP
Relative to the distribution distance and density of the building geography fence, it is determined that the reference score of each building geography fence；
Build geography fence determining unit 3203, for determine the building geography fence of the reference highest scoring be for
Correct the building geography fence of the WAP to be positioned.
Optionally, the reference score and the building geography fence and its corresponding wireless access to be positioned of geography fence are built
Point the distance between negative correlation, to the building geography fence and the related WAP of its corresponding WAP to be positioned
The distance between negative correlation, with the WAP to be positioned and the phase of the WAP to be positioned in the building geography fence
Close the quantity positive correlation of WAP.
Optionally, as shown in figure 4, wireless access point location correction module 330 includes：
First wireless access point location corrects unit 3301, for according to the WAP to be positioned and the building
The distance and relative direction of the center of gravity of geography fence, are carried out first geographical to the WAP to be positioned according to the first weight
Correct position；
Second wireless access point location correct unit 3302, for according to the WAP to be positioned it is each described in
Related WAP and the distance of the center of gravity of the building geography fence, to the WAP to be positioned according to the second power
Geographical position correction again is carried out again.
Optionally, as shown in figure 5, described device also includes：
Wireless access point selection module 340 to be positioned, for selecting indoor skewed popularity score to be more than default indoor skewed popularity
The WAP of score threshold as WAP to be positioned, wherein, the indoor skewed popularity score is used to indicating wireless
The indoor degree of access point deviation.
Wireless access independent positioning method disclosed in the embodiment of the present application, by obtaining the wireless access that mobile scanning terminal is arrived
The initial position of point, and select indoor skewed popularity score to be more than the WAP of default indoor skewed popularity score threshold as treating
WAP is positioned, then according to the Location Request data of mobile terminal, determines that the correlation of WAP to be positioned is wireless
Access point, in the positional information according to the WAP to be positioned and the related WAP, it is determined that for correcting
The building geography fence of the WAP to be positioned, it is finally, wireless according to the WAP to be positioned and its correlation
Access point enters relative to the location distribution information of the building geography fence to the initial position of the WAP to be positioned
Row is corrected, and solves the problem of WAP positioning result is inaccurate present in prior art.It is related wireless by combining
Access point and geography fence information are corrected to the initial position of WAP, can further improve WAP
Positioning precision.By setting indoor skewed popularity score condition so that only to being carried out for it close to outdoor indoor wireless access point
Correct, location efficiency can be improved.
Accordingly, disclosed herein as well is a kind of electronic equipment, including memory, processor and it is stored in the memory
Computer program that is upper and can running on a processor, is realized as the application is real described in the computing device during computer program
Apply example one and the wireless access independent positioning method described in embodiment two.The electronic equipment can be PC, mobile terminal, individual
Digital assistants, tablet personal computer etc..
Disclosed herein as well is a kind of computer-readable recording medium, computer program is stored thereon with, the program is located
Manage the step of realizing the wireless access independent positioning method as described in the embodiment of the present application one and embodiment two when device is performed.
Each embodiment in this specification is described by the way of progressive, what each embodiment was stressed be with
Between the difference of other embodiment, each embodiment identical similar part mutually referring to.For device embodiment
For, because it is substantially similar to embodiment of the method, so description is fairly simple, referring to the portion of embodiment of the method in place of correlation
Defend oneself bright.
A kind of wireless access independent positioning method and device provided above the application is described in detail, and herein should
The principle and embodiment of the application are set forth with specific case, the explanation of above example is only intended to help and managed
Solve the present processes and its core concept；Simultaneously for those of ordinary skill in the art, according to the thought of the application,
It will change in embodiment and application, in summary, this specification content should not be construed as to this Shen
Limitation please.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
Realized by the mode of software plus required general hardware platform, naturally it is also possible to realized by hardware.Based on such reason
Solution, the part that above-mentioned technical proposal substantially contributes to prior art in other words can be embodied by the form of software product
Out, the computer software product can be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, bag
Some instructions are included to so that a computer equipment (can be personal computer, server, or network equipment etc.) performs
Method described in some parts of each embodiment or embodiment.
Claims (15)
1. a kind of wireless access independent positioning method, it is characterised in that including：
Obtain the initial position for the WAP that mobile scanning terminal is arrived；
According to the Location Request data of mobile terminal, the related WAP of WAP to be positioned is determined；
According to the positional information of the WAP to be positioned and the related WAP, it is determined that for correcting described treat
Position the building geography fence of WAP；
Divided according to the WAP to be positioned and its related WAP relative to the position of the building geography fence
Cloth information, is corrected to the initial position of the WAP to be positioned；
Wherein, the WAP to be positioned is selected from the WAP that the mobile scanning terminal is arrived.
2. according to the method described in claim 1, it is characterised in that the Location Request data according to mobile terminal, it is determined that
The step of related WAP of WAP to be positioned, including：
The mobile scanning terminal to WAP in, selection confidence score is more than default confidence score threshold value
WAP is used as authentic wireless access point；
According to the Location Request data of mobile terminal, it is determined that the credible wireless access scanned with WAP to be positioned simultaneously
Point is as with reference to candidate's WAP；
It is determined that the Relevance scores of each reference candidate WAP；
Determine that Relevance scores are more than the reference candidate WAP of default Relevance scores threshold value, as described undetermined
The related WAP of position WAP；
Wherein, what the confidence score was used to weighing WAP refers to degree；The Location Request of the mobile terminal
Data at least include：The wireless access point names that scan, sweep time.
3. method according to claim 2, it is characterised in that the Location Request data also include：Signal intensity, it is described
It is determined that the step of Relevance scores of each reference candidate WAP, including：
Ratio, the ginseng being scanned simultaneously according to the reference candidate WAP and the WAP to be positioned
The difference in signal strength of candidate's WAP and WAP to be positioned is examined, the phase of the reference candidate WAP is determined
Closing property score.
4. according to the method described in claim 1, it is characterised in that described according to the WAP to be positioned and the phase
The positional information of WAP is closed, it is determined that the step of building geography fence for correcting the WAP to be positioned,
Including：
Determine the building geography fence in the WAP preset range to be positioned；
According to the WAP to be positioned and the related WAP relative to the distribution for building geography fence
Distance and density, it is determined that the reference score of each building geography fence；
The building geography fence for determining the reference highest scoring is for correcting the building of the WAP to be positioned
Manage fence.
5. method according to claim 4, it is characterised in that the reference score of building geography fence is enclosed with the building geography
The distance between column and its corresponding WAP to be positioned negative correlation, with the building geography fence and its is corresponding to be positioned
Wireless access to be positioned in the distance between the related WAP of WAP negative correlation and the building geography fence
The quantity positive correlation of point WAP related to the WAP to be positioned.
6. according to the method described in claim 1, it is characterised in that described according to the WAP to be positioned and its correlation
WAP is relative to the location distribution information for building geography fence, to the initial bit of the WAP to be positioned
The step of being corrected is put, including：
According to the WAP to be positioned and the distance and relative direction of the center of gravity of the building geography fence, treated to described
Position WAP and carry out first geographical position correction according to the first weight；
According to each related WAP of the WAP to be positioned and the center of gravity of the building geography fence
Distance, to the WAP to be positioned according to the second weight carry out again geographical position correct.
7. the method according to any one of claim 1 to 6, it is characterised in that the nothing that the acquisition mobile scanning terminal is arrived
After the step of initial position of line access point, in addition to：
The WAP that the indoor skewed popularity score of selection is more than default indoor skewed popularity score threshold wirelessly connects as to be positioned
Access point, wherein, the indoor skewed popularity score is used for the degree for indicating that WAP deviation is indoor.
8. a kind of wireless access location device, it is characterised in that including：
Initial alignment module, the initial position for obtaining the WAP that mobile scanning terminal is arrived；
Related WAP determining module, for the Location Request data according to mobile terminal, determines wireless access to be positioned
The related WAP of point；
Geography fence determining module is built, for the position according to the WAP to be positioned and the related WAP
Confidence ceases, it is determined that the building geography fence for correcting the WAP to be positioned；
Wireless access point location corrects module, for relative according to the WAP to be positioned and its related WAP
At the beginning of the location distribution information of the building geography fence, the WAP to be positioned determined to the initial alignment module
Beginning, position corrected；
Wherein, the WAP to be positioned is selected from the WAP that the mobile scanning terminal is arrived.
9. device according to claim 8, it is characterised in that the related WAP determining module includes：
Authentic wireless access point determining unit, for the mobile scanning terminal to WAP in, select confidence level
The WAP that score is more than default confidence score threshold value is used as authentic wireless access point；
With reference to candidate's WAP determining unit, for the Location Request data according to mobile terminal, it is determined that with nothing to be positioned
The authentic wireless access point that line access point is scanned simultaneously is as with reference to candidate's WAP；
Relevance scores determining unit, the Relevance scores for determining each reference candidate WAP；
Related WAP determining unit, for determining that Relevance scores are more than the reference of default Relevance scores threshold value
Candidate's WAP, is used as the related WAP of the WAP to be positioned；
Wherein, what the confidence score was used to weighing WAP refers to degree；The Location Request of the mobile terminal
Data at least include：The wireless access point names that scan, sweep time.
10. device according to claim 9, it is characterised in that the Location Request data also include：Signal intensity, institute
Stating Relevance scores determining unit is used for：
Ratio, the ginseng being scanned simultaneously according to the reference candidate WAP and the WAP to be positioned
The difference in signal strength of candidate's WAP and WAP to be positioned is examined, the phase of the reference candidate WAP is determined
Closing property score.
11. device according to claim 8, it is characterised in that the building geography fence determining module includes：
Geography fence search unit is built, for determining that the building geography in the WAP preset range to be positioned encloses
Column；
With reference to score determining unit, for according to the WAP to be positioned and the related WAP relative to institute
The distribution distance and density of building geography fence are stated, it is determined that the reference score of each building geography fence；
Geography fence determining unit is built, for determining that the building geography fence of the reference highest scoring is described for correcting
The building geography fence of WAP to be positioned.
12. device according to claim 11, it is characterised in that the reference score of building geography fence and the building are geographical
The distance between fence and its corresponding WAP to be positioned negative correlation, with the building geography fence and its is corresponding undetermined
The distance between the related WAP negative correlation of position WAP, wirelessly connect with to be positioned in the building geography fence
The quantity positive correlation of access point WAP related to the WAP to be positioned.
13. device according to claim 8, it is characterised in that the wireless access point location, which corrects module, to be included：
First wireless access point location corrects unit, for according to the WAP to be positioned and the building geography fence
Center of gravity distance and relative direction, first geographical position is carried out according to the first weight to the WAP to be positioned and entangled
Just；
Second wireless access point location corrects unit, for according to each described related wireless of the WAP to be positioned
Access point and the distance of the center of gravity of the building geography fence, are carried out again to the WAP to be positioned according to the second weight
Correct in secondary geographical position.
14. the device according to any one of claim 8 to 13, it is characterised in that described device also includes：
Wireless access point selection module to be positioned, for selecting indoor skewed popularity score to be more than default indoor skewed popularity score threshold
WAP as WAP to be positioned, wherein, the indoor skewed popularity score be used for indicate that WAP is inclined
To indoor degree.
15. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that the program is by processor
The step of wireless access independent positioning method described in claim 1 to 7 any one is realized during execution.
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