CN104661305A - Method and device for locating user terminal as well as server - Google Patents
Method and device for locating user terminal as well as server Download PDFInfo
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- CN104661305A CN104661305A CN201510085167.7A CN201510085167A CN104661305A CN 104661305 A CN104661305 A CN 104661305A CN 201510085167 A CN201510085167 A CN 201510085167A CN 104661305 A CN104661305 A CN 104661305A
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Abstract
The invention discloses a method and a device for locating a user terminal as well as the terminal. A specific embodiment of the method comprises the steps as follows: obtaining scanning associated information of the user terminal scanned by designated APs (applications); determining locating information of the user terminal according to the position information of the designated APs and the scanning associated information; sending the locating information to a designated client, so that the designated client can generate a corresponding distribution diagram according to a preset distribution diagram type, wherein the designated APs are numerous. By means of the embodiment, the precision of the locating information and the locating efficiency are both improved, and accordingly, the locating information can be used for drawing of user terminal distribution diagrams in various types.
Description
Technical field
The application relates to wireless communication technology field, is specifically related to radio communication field of locating technology, particularly relates to method, device and the service end of locating for user terminal.
Background technology
At present, along with the development of large data technique, need client's track of large-scale mall to be plotted in indoor map, but the volume of the flow of passengers of large-scale mall every day there is about 10w, obtain the track of 10w magnitude and be plotted on map there is certain difficulty.Further, to first locate accurately client if obtain client's track.
The method of existing location can utilize the user terminal that can receive AP end wifi signal to position user.Particularly, the intensity difference XOR of at least three the AP end signals received according to user terminal receives the time difference of the signal of at least three AP ends, positions the user holding above-mentioned user terminal.The defect of this technology is that precision is lower, very responsive to the environment of indoor, and must bring more noise based on inaccurate location track drafting.Therefore, cannot the track of accurate Drawing user.
Summary of the invention
This application provides a kind of method for user terminal location, device and service end, solve and cannot carry out pinpoint technical problem to user terminal.
First aspect, this application provides a kind of method for user terminal location, described method comprises: obtain the scanning related information being designated the user terminal that AP scans; According to described locating information of specifying the positional information of AP and described scanning related information to determine described user terminal; Send described locating information to given client end, generate corresponding distribution map for described given client end according to the type of predetermined distribution map; Wherein, described appointment AP is multiple.
In some embodiments, described scanning related information at least comprises: the ID of described user terminal; Scan the ID of the appointment AP of described user terminal; Described appointment AP scans the scanning moment of described user terminal; And described user terminal is at the received signal strength indicator RSSI in described scanning moment.
In some preferred implementation, described positional information and described scanning related information according to specifying AP determines the locating information of described user terminal, comprising: determine the anchor point of described user terminal in the described scanning moment according to the positional information and described scanning related information of specifying AP; The reference locus of described user terminal in predetermined amount of time is obtained based on described anchor point; Described reference locus is corrected, to obtain the locating information of described user terminal in predetermined amount of time.
In some preferred implementation, described positional information and described scanning related information according to specifying AP determines the anchor point of described user terminal in the described scanning moment, comprise: determine the floor of described user terminal residing for the described scanning moment according to the described positional information of AP and the described user terminal of specifying at the RSSI in described scanning moment, the positional information of described AP at least comprises the geographical location information of described AP and the floor information at place; The positional information of AP and described user terminal is specified to determine the locating area of described user terminal residing for corresponding floor at the RSSI in described scanning moment according to being arranged in described floor, wherein, described locating area divides by carrying out cluster to the appointment AP be arranged in corresponding floor; The anchor point of described user terminal in the described scanning moment is determined at the RSSI in described scanning moment according to the positional information of the appointment AP be arranged in described locating area and described user terminal.
In some preferred implementation, the described positional information according to described appointment AP and described user terminal determine the floor of described user terminal residing for the described scanning moment at the RSSI in described scanning moment, comprising: obtain described user terminal corresponds to each floor RSSI average in the described scanning moment; The floor at the AP place corresponding to maximum RSSI average is defined as the floor residing for described user terminal.
In some preferred implementation, described basis is arranged in described floor specifies the positional information of AP and described user terminal to determine the locating area of described user terminal residing for corresponding floor at the RSSI in described scanning moment, comprising: obtain described user terminal corresponds to each locating area of described floor RSSI average in the described scanning moment; The locating area at the AP place corresponding to maximum RSSI average is defined as the locating area of described user terminal residing for described floor.
In some preferred implementation, described by carrying out locating area described in clustering to the appointment AP be arranged in corresponding floor, comprise: based on being arranged at the position of specifying the distance between AP and described appointment AP in described corresponding floor, divide described locating area by SVM density Estimation clustering algorithm.
In some preferred implementation, the positional information and the described user terminal that are arranged at the appointment AP in locating area described in described basis determine the anchor point of described user terminal in the described scanning moment at the RSSI in described scanning moment, comprising: specify the RSSI of AP to determine the position weight of corresponding A P in the described scanning moment corresponding in described locating area according to described user terminal; Based on the anchor point of specifying the positional information of AP and the position weight of correspondence to determine described user terminal in described locating area.
In some preferred implementation, described described reference locus to be corrected, comprising: determine the velocity interval of described user terminal in each scanning moment according to the reference locus of described user terminal; The anchor point whether mistake of current time is judged according to the velocity interval in last scanning moment; If so, correct according to the velocity interval in last scanning moment and the anchor point of anchor point to described mistake in next scanning moment.
In some embodiments, described given client end adopts the engine meeting 3D drafting standards to generate described distribution map.
Second aspect, this application provides a kind of device for user terminal location, described device comprises: scanning related information acquiring unit, for obtaining the scanning related information of the user terminal that designated AP scans; Locating information determining unit, the described scanning related information for obtaining according to positional information and the described scanning related information acquiring unit of described appointment AP determines the locating information of described user terminal; Transmitting element, for sending the described locating information that described locating information determining unit is determined to given client end, generates corresponding distribution map for described given client end according to the type of predetermined distribution map; Wherein, described appointment AP is multiple.
In some embodiments, described scanning related information at least comprises: the ID of described user terminal; Scan the ID of the appointment AP of described user terminal; Described appointment AP scans the scanning moment of described user terminal; And described user terminal is at the received signal strength indicator RSSI in described scanning moment.
In some preferred implementation, described locating information determining unit comprises: anchor point obtains subelement, for determining the anchor point of described user terminal in the described scanning moment according to the positional information and described scanning related information of specifying AP; Reference locus obtains subelement, and the described anchor point determined for obtaining subelement based on described anchor point obtains the reference locus of described user terminal in predetermined amount of time; Syndrome unit, the described reference locus obtained for obtaining subelement to described reference locus corrects, to obtain the locating information of described user terminal in predetermined amount of time.
In some preferred implementation, described anchor point determination subelement comprises: floor determination module, for determining the floor of described user terminal residing for the described scanning moment according to the described positional information of AP and the described user terminal of specifying at the RSSI in described scanning moment, the positional information of described AP at least comprises the geographical location information of described AP and the floor information at place; Locating area determination module, the locating area of described user terminal residing for corresponding floor is determined at the RSSI in described scanning moment for specifying the positional information of AP and described user terminal in the described floor determined according to described floor determination module, wherein, described locating area divides by carrying out cluster to the appointment AP be arranged in corresponding floor; Anchor point determination module, determines the anchor point of described user terminal in the described scanning moment for the positional information of the appointment AP in the described locating area determined according to described locating area determination module and described user terminal at the RSSI in described scanning moment.
In some preferred implementation, described floor determination module is configured for: obtain described user terminal corresponds to each floor RSSI average in the described scanning moment; The floor at the AP place corresponding to maximum RSSI average is defined as the floor residing for described user terminal.
In some preferred implementation, described locating area determination module is configured for: obtain described user terminal corresponds to each locating area of described floor RSSI average in the described scanning moment; The locating area at the AP place corresponding to maximum RSSI average is defined as the locating area of described user terminal residing for described floor.
In some preferred implementation, described by carrying out locating area described in clustering to the appointment AP in corresponding floor, comprise: based on being arranged at the position of specifying the distance between AP and described appointment AP in described corresponding floor, divide described locating area by SVM density Estimation clustering algorithm.
In some preferred implementation, described anchor point determination module is configured for: specify the RSSI of AP to determine the position weight of corresponding A P in the described scanning moment corresponding in described locating area according to described user terminal; Based on the anchor point of specifying the positional information of AP and the position weight of correspondence to determine described user terminal in described locating area.
In some preferred implementation, described syndrome cell location is used for: determine the velocity interval of described user terminal in each scanning moment according to the reference locus of described user terminal; The anchor point whether mistake of current time is judged according to the velocity interval in last scanning moment; If so, correct according to the velocity interval in last scanning moment and the anchor point of anchor point to described mistake in next scanning moment.
In some embodiments, described given client end adopts the engine meeting 3D drafting standards to generate described distribution map.
The third aspect, this application provides a kind of service end, comprising: communication interface, processor, wherein, described communication interface is used under the control of described processor, obtain the scanning related information being designated the user terminal that AP scans, the positional information of the described appointment AP that described processor obtains according to described communication interface and described scanning related information determine the locating information of described user terminal, described communication interface is used for sending to given client end the described locating information determined by described processor under the control of described processor, corresponding distribution map is generated according to the type of predetermined distribution map for described given client end, wherein, described appointment AP is multiple.
The method for user terminal location that the application provides, device and service end, the scanning related information of the user terminal scanned by designated AP and the positional information of appointment AP, determine the locating information of user terminal, improve the accuracy of locating information and the efficiency of location, thus make above-mentioned locating information can be used to draw the distribution map of various types of user terminal.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, the other features, objects and advantages of the application will become more obvious:
Fig. 1 is the flow chart of an embodiment of the method for user terminal location that the application provides;
Fig. 2 is the flow chart of an embodiment of the method for the locating information according to the positional information and scanning related information determination user terminal of specifying AP that the embodiment of the present application provides;
Fig. 3 be the embodiment of the present application provide according to the flow chart of specifying the positional information of AP and scanning related information determination user terminal in an embodiment of the method for the anchor point in scanning moment;
Fig. 4 is the flow chart of the embodiment to the method that described reference locus corrects that the embodiment of the present application provides;
Fig. 5 is the structural representation of an embodiment of the device for user terminal location that the application provides;
Fig. 6 is the structural representation of an embodiment of the service end that the application provides.
Embodiment
Below in conjunction with drawings and Examples, the application is described in further detail.Be understandable that, specific embodiment described herein is only for explaining related invention, but not the restriction to this invention.It also should be noted that, for convenience of description, in accompanying drawing, illustrate only the part relevant to Invention.
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the application in detail in conjunction with the embodiments.
The user terminal that the application relates to is have and open the terminal receiving wireless lan signal function.Above-mentioned user terminal can include but not limited to smart mobile phone, panel computer, personal digital assistant, Intelligent worn device, pocket computer on knee etc.Describe object and for simplicity for example, in ensuing discussion, combined with intelligent mobile phone describes the exemplary embodiment of the application.
Please refer to Fig. 1, it illustrates the flow process 100 of an embodiment of the method for user terminal location according to the application.
As shown in Figure 1, in a step 101, the scanning related information being designated the user terminal that AP scans is obtained.
In the present embodiment, specify multiple AP (Wireless Access Point, the wireless access points) equipment arranged in certain region (as the some of certain city or multiple shopping centres etc.) as the appointment AP of this region for locating in advance.Obtain the positional information of each appointment AP equipment in advance, and above-mentioned positional information is stored.Above-mentioned positional information can be stored in the server for locating, and also can be stored in corresponding appointment AP, be appreciated that above-mentioned positional information can also be stored in other storage medium, the application is to not limiting in this respect.
It should be noted that, when specifying AP to scan user terminal, this user terminal just can receive the signal of above-mentioned appointment AP, RSSI (Received Signal StrengthIndication, received signal strength indicator) can be used to represent the signal strength signal intensity of the appointment AP received by this user terminal.
In the present embodiment, scan related information and at least comprise following information: the ID (as the product ID of user terminal, MAC Address etc.) of the user terminal that designated AP scans; Scan the ID (as specified the MAC Address etc. of AP equipment) of the appointment AP of above-mentioned user terminal; Above-mentioned appointment AP scans the scanning moment of above-mentioned user terminal; And above-mentioned user terminal is at the RSSI in above-mentioned scanning moment.Wherein, in certain scanning moment, user terminal can be scanned by multiple appointment AP, and therefore, corresponding to some user terminals, the ID scanning the appointment AP of this user terminal can have multiple.In like manner, this user terminal also can have multiple at the RSSI in above-mentioned scanning moment, and corresponding one of each RSSI specifies AP.
It should be noted that, these informational needs above-mentioned associatedly store, such as, correspond to certain user terminal being designated AP and scanning, the ID scanning the appointment AP of this user terminal needs to associate with the ID of this user terminal, the scanning moment that above-mentioned appointment AP scans this user terminal needs to associate with corresponding appointment AP, and user terminal needs to associate with corresponding appointment AP and corresponding scanning moment at the RSSI in above-mentioned scanning moment.
In the one of the present embodiment realizes, all appointment AP equipment carries out single pass every the scheduled time (as 1 second or 2 seconds etc.) to user terminal, then the ID of each user terminal scanned is obtained, the scanning moment, the user terminal be scanned is at the RSSI in above-mentioned scanning moment, and recording these information association above-mentioned, ID together with this appointment AP equipment uploads, server for locating receives the information that above-mentioned appointment AP uploads, thus has got the scanning related information of the user terminal that designated AP scans.
In the another kind of the present embodiment realizes, also can obtain by opening the user terminal receiving wireless lan signal function the ID scanning the AP equipment of this user terminal every the scheduled time, the scanning moment, corresponding to the RSSI of each AP in the above-mentioned scanning moment, and recording these information association above-mentioned, ID together with this user terminal uploads, server for locating receives the information of above-mentioned user terminal uploads, thus has got the scanning related information of the user terminal that designated AP scans.
Be appreciated that the scanning related information that other mode can also be adopted to obtain the user terminal that designated AP scans, the application is to not limiting in this respect.
Then, in a step 102, the locating information of above-mentioned user terminal is determined according to the positional information of above-mentioned appointment AP and above-mentioned scanning related information.
In the present embodiment, certain user terminal can be obtained according to above-mentioned scanning related information and which be specified AP to scan in each scanning moment by, and the RSSI of correspondence.Then, the positional information of the appointment AP scanning above-mentioned user terminal can be obtained from the data stored, according to the positional information of appointment AP and the RSSI of correspondence that scan above-mentioned user terminal, the locating information of above-mentioned user terminal can be determined.Wherein, above-mentioned locating information can comprise the anchor point information of above-mentioned user terminal in each scanning moment.
Finally, in step 103, send described locating information to given client end, generate corresponding distribution map for described given client end according to the type of predetermined distribution map.
In the present embodiment, it (can be a user terminal that the type of distribution map can comprise predesignated subscriber's terminal within a predetermined period of time, also can be multiple user terminal) positioning track distribution map, the anchor point distribution map of predetermined instant all user terminals in predetermined areas, the anchor point 3D effect distribution map etc. of predetermined instant all user terminals in predetermined areas.Be appreciated that the type of distribution map can also comprise other type, the application is to not limiting in this respect.
In the present embodiment, location-server end sends above-mentioned locating information to given client end.Wherein, given client end is the client needing to generate distribution map.In one implementation, location-server end can the cycle send above-mentioned locating information to preassigned client.In another implementation, also can be that location-server end needs the request of the client generating distribution map in response to some, send above-mentioned locating information to above-mentioned client.
Given client end generates corresponding distribution map according to the type of predetermined distribution map, and is shown by distribution map.It should be noted that, the predefined type of distribution map to be generated can be specify FTP client FTP acquiescence, also can be specify the user of client previously selected, be appreciated that, the predefined type of distribution map can also specify client to be obtained by alternate manner, and the application is to not limiting in this respect.
Above-described embodiment of the application is provided for the method for user terminal location, the scanning related information of the user terminal scanned by designated AP and the positional information of appointment AP, determine the locating information of user terminal, improve the accuracy of locating information and the efficiency of location, thus make above-mentioned locating information can be used to draw the distribution map of various types of user terminal.
With further reference to Fig. 2, it illustrates flow process Figure 200 of an embodiment of the method for the locating information according to the positional information and scanning related information determination user terminal of specifying AP that the embodiment of the present application provides.
As shown in Figure 2, in step 201, according to specifying the positional information of AP and scanning related information to determine the anchor point of above-mentioned user terminal in the above-mentioned scanning moment.
In the present embodiment, each user terminal can be obtained according to above-mentioned scanning related information and which be specified AP to scan in each scanning moment by, and the RSSI of correspondence.Then, the positional information of specifying AP can be obtained from the data stored, according to the appointment positional information of AP and the RSSI of correspondence, the anchor point of each user terminal in each scanning moment can be determined.Then, the reference locus of each user terminal in certain hour section can be determined.Wherein, reference locus is the rough track obtained, and inaccuracy, need to correct it.
Then, in step 202., the reference locus of described user terminal in predetermined amount of time is obtained based on described anchor point.
In the present embodiment, based on the anchor point of each user terminal in each scanning moment, the reference locus of each user terminal in certain hour section can be determined.Wherein, reference locus is the rough track obtained, and inaccuracy, need to correct it.
Finally, in step 203, above-mentioned reference locus is corrected, to obtain the locating information of above-mentioned user terminal in predetermined amount of time.
With further reference to Fig. 3, it illustrates that the embodiment of the present application provides according to the flow process 300 of specifying the positional information of AP and scanning related information determination user terminal in an embodiment of the method for the anchor point in scanning moment.
As shown in Figure 3, in step 301, according to specifying the positional information of AP and user terminal to determine the floor of above-mentioned user terminal residing for the above-mentioned scanning moment at the RSSI in scanning moment, the positional information of described AP at least comprises the geographical location information of described AP and the floor information at place.
In the present embodiment, first, location-server end obtains certain user terminal corresponds to each floor RSSI average in certain scanning moment.Specifically, because the especially sowntown building of current building is generally building, have multi-story, therefore, certain Region specification AP may be distributed in different floors.Therefore, specify the positional information of AP except its geographical location information (latitude and longitude information etc. as its present position) can be comprised, the floor information at its place can also be comprised.Location-server end can add up the RSSI average of above-mentioned user terminal corresponding to each floor according to specifying the floor at AP place.Wherein, the RSSI average that user terminal corresponds to some floors represents, this floor that this user terminal receives is specified the average of the signal strength signal intensity of AP.
Preferably, the RSSI average of some floors can be tried to achieve by following formula:
Wherein, i represents that on this floor, i-th appointment AP, n represent total number of this floor being specified AP, rssi
irepresent the signal strength signal intensity of i-th appointment AP that this user terminal receives,
represent the RSSI average of this floor.
Then, all RSSI averages corresponding to certain user terminal are sometime compared, floor (signal strength signal intensity of the appointment AP received by user terminal the is maximum) floor residing for this user terminal at the AP place that RSSI average is maximum.
It should be noted that, in above-mentioned formula 100 is empirical value, and this empirical value can also get other value, such as, can get 90 or 110 etc.Be appreciated that above-mentioned formula of averaging can also be other form, the application is to not limiting in this respect.
Then, in step 302, the positional information of AP and user terminal is specified to determine the locating area of this user terminal residing for corresponding floor at the RSSI in above-mentioned scanning moment according to being arranged in above-mentioned floor.
In the present embodiment, locating area divides by carrying out cluster to the appointment AP be arranged in corresponding floor.In one implementation, based on the appointment AP arranged in each corresponding floor distance each other and the position of AP in this floor can be specified, by SVM density Estimation clustering algorithm, locating area be divided to this floor.Each locating area comprises multiple appointment AP.Be appreciated that and can also divide locating area by other method (as adopted k-means clustering algorithm etc.) to this floor, the application does not limit method aspect floor being divided to locating area.
In the present embodiment, first, location-server end obtains above-mentioned user terminal corresponds to each locating area of its place floor RSSI average in the above-mentioned scanning moment.Specifically, location-server end can add up the RSSI average of above-mentioned user terminal corresponding to each locating area according to specifying the locating area at AP place.Wherein, the RSSI average that user terminal corresponds to some locating areas represents, specifies the average of the signal strength signal intensity of AP in this locating area that this user terminal receives.
Preferably, the RSSI average of some locating areas can be tried to achieve by following formula:
Wherein, p represents that in this locating area, p appointment AP, m represent in this locating area total number of specifying AP, rssi
prepresent the signal strength signal intensity of p the appointment AP that this user terminal receives,
represent the RSSI average of this locating area.
Then, the RSSI average corresponding to all locating areas of certain user terminal is sometime compared, locating area (signal strength signal intensity of the appointment AP received by user terminal the is maximum) locating area residing for this user terminal at the AP place that RSSI average is maximum.
It should be noted that, in above-mentioned formula 100 is empirical value, and this empirical value can also get other value, such as, can get 90 or 110 etc.Be appreciated that above-mentioned formula of averaging can also be other form, the application is to not limiting in this respect.
Finally, in step 303, the anchor point of above-mentioned user terminal in the above-mentioned scanning moment is determined according to the positional information of the appointment AP be arranged in above-mentioned locating area and above-mentioned user terminal at the RSSI in above-mentioned scanning moment.
In the present embodiment, first, the RSSI of AP is specified to determine the position weight of corresponding A P in the above-mentioned scanning moment corresponding in above-mentioned locating area according to above-mentioned user terminal.Based on the anchor point of specifying the positional information of AP and the position weight of correspondence to determine described user terminal in described locating area.
In the one of the present embodiment realizes, above-mentioned user terminal can be got and correspond to the logarithm of the RSSI of certain appointment AP in above-mentioned locating area as weighted value, then to be multiplied with the position coordinates of corresponding appointment AP with this weighted value and to obtain the weight coordinate of corresponding appointment AP, finally calculate barycentric coodinates according to the weight coordinate of appointment AP all in locating area, then the above-mentioned user terminal of barycentric coodinates is at the anchor point coordinate in above-mentioned scanning moment.
Be appreciated that the position weight that other method can also be adopted to obtain AP, such as, will the position weight of RSSI as corresponding A P of specifying AP in above-mentioned locating area be corresponded to, etc.The application does not limit the method aspect choosing in locating area the position weight of specifying AP.
With further reference to Fig. 4, it illustrates the flow chart 400 of the embodiment to the method that described reference locus corrects that the embodiment of the present application provides.
As shown in Figure 4, in step 401, the velocity interval of this user terminal in each scanning moment is determined according to the reference locus of user terminal.
In the present embodiment, the reference locus of user terminal is the rough track obtained, and inaccuracy, the anchor point of some mistakes may be there is, need to correct it.Specifically, the velocity interval in each scanning moment of this user terminal before current usually can be determined according to the reference locus in some time of user terminal before current.
Then, in step 402, the anchor point whether mistake of current time is judged according to the velocity interval in last scanning moment.
In the present embodiment, first determine current orientation range according to the velocity interval in last scanning moment, if the anchor point of current time is beyond this orientation range, illustrate that the anchor point of current time is wrong.
Finally, in step 403, if the anchor point of current time is wrong, correct according to the velocity interval in last scanning moment and the anchor point of anchor point to described mistake in next scanning moment.
In the present embodiment, if judge that the anchor point of current time is wrong, then can determine current orientation range according to the velocity interval in last scanning moment.Can determine in conjunction with current orientation range and the anchor point in lower one scan moment the anchor point how correcting above-mentioned mistake, and the anchor point of described mistake is corrected.
In some Alternate embodiments, above-mentioned given client end adopts the engine meeting 3D drafting standards to generate above-mentioned distribution map.In the one of the present embodiment realizes, WebGL engine is adopted to generate above-mentioned distribution map.Wherein, WebGL is a kind of 3D drafting standards, and this drawing technique standard allows JavaScript and OpenGL ES 2.0 to combine.WebGL can provide hardware 3D to accelerate to play up for HTML5Canvas, and such web developer just can show 3D scene and model more glibly by Help of System video card in browser, can also create complicated navigation and data visualization.
Although it should be noted that the operation describing the inventive method in the accompanying drawings with particular order, this is not that requirement or hint must perform these operations according to this particular order, or must perform the result that all shown operation could realize expectation.On the contrary, the step described in flow chart can change execution sequence.Additionally or alternatively, some step can be omitted, multiple step be merged into a step and perform, and/or a step is decomposed into multiple step and perform.
With further reference to Fig. 5, it illustrates the structural representation of an embodiment of the device for user terminal location according to the application.
As shown in Figure 5, the device 500 of the present embodiment comprises: scanning related information acquiring unit 501, locating information determining unit 502 and transmitting element 503.Wherein, related information acquiring unit 501 is scanned for obtaining the scanning related information of the user terminal that designated AP scans.Locating information determining unit 502 determines the locating information of above-mentioned user terminal for the above-mentioned scanning related information obtained according to positional information and the above-mentioned scanning related information acquiring unit 501 of above-mentioned appointment AP.The above-mentioned locating information that transmitting element 503 is determined for sending above-mentioned locating information determining unit 502 to given client end, generates corresponding distribution map for above-mentioned given client end according to the type of predetermined distribution map.Wherein, above-mentioned appointment AP is multiple.
In some Alternate embodiments, scanning related information at least comprises: the ID of above-mentioned user terminal; Scan the ID of the appointment AP of above-mentioned user terminal; Above-mentioned appointment AP scans the scanning moment of above-mentioned user terminal; And above-mentioned user terminal is at the received signal strength indicator RSSI in above-mentioned scanning moment.
In some Alternate embodiments, locating information determining unit 502 comprises anchor point and obtains subelement, and reference locus obtains subelement, syndrome unit (not shown).Wherein, anchor point acquisition subelement is used for according to specifying the positional information of AP and scanning the anchor point of related information determination user terminal in the scanning moment.Reference locus obtains subelement obtains user terminal in predetermined amount of time reference locus for the anchor point determined based on anchor point acquisition subelement.The reference locus that syndrome unit is used for obtaining reference locus subelement acquisition corrects, to obtain the locating information of above-mentioned user terminal in predetermined amount of time.
In some Alternate embodiments, described anchor point determination subelement comprises: floor determination module, locating area determination module, anchor point determination module.Wherein, floor determination module is used for according to specifying the positional information of AP and user terminal to determine the floor of above-mentioned user terminal residing for the described scanning moment at the RSSI in scanning moment, and the positional information of described AP at least comprises the geographical location information of described AP and the floor information at place.Locating area determination module is used for specifying the positional information of AP and user terminal to determine the locating area of above-mentioned user terminal residing for corresponding floor at the RSSI in scanning moment in the floor determined according to floor determination module, wherein, locating area divides by carrying out cluster to the appointment AP be arranged in corresponding floor.Anchor point determination module is used for the positional information of the appointment AP in the locating area determined according to locating area determination module and user terminal determines the anchor point of above-mentioned user terminal in the scanning moment at the RSSI in scanning moment.
In some Alternate embodiments, floor determination module is configured for: obtain user terminal corresponds to each floor RSSI average in the scanning moment.The floor at the AP place corresponding to maximum RSSI average is defined as the floor residing for above-mentioned user terminal.
In some Alternate embodiments, locating area determination module is configured for: obtain user terminal corresponds to each locating area RSSI average in the scanning moment.The locating area at the AP place corresponding to maximum RSSI average is defined as the locating area residing for above-mentioned user terminal.
In some Alternate embodiments, by carrying out clustering locating area to the appointment AP in corresponding floor, comprise: based on being arranged in corresponding floor the position of specifying the distance between AP and specifying AP, divide locating area by SVM density Estimation clustering algorithm.
In some Alternate embodiments, anchor point determination module is configured for: specify the RSSI of AP to determine the position weight of corresponding A P in the scanning moment corresponding in locating area according to user terminal.Based on the anchor point of the position weight determination user terminal of the positional information and correspondence of specifying AP in locating area.
In some Alternate embodiments, syndrome cell location is used for: determine the velocity interval of above-mentioned user terminal in each scanning moment according to the reference locus of user terminal.The anchor point whether mistake of current time is judged according to the velocity interval in last scanning moment.If so, determine to correct the anchor point of mistake according to the velocity interval in last scanning moment and the anchor point in next scanning moment.
In some Alternate embodiments, above-mentioned given client end adopts the engine meeting 3D drafting standards to generate above-mentioned distribution map.
Should be appreciated that all unit or the module of record in device 500 are corresponding with each step in the method described with reference to figure 1-4.Thus, above for the unit that operation and the feature of method description are equally applicable to device 500 and wherein comprise, do not repeat them here.Device 500 can pre-set in the terminal, also can be loaded in terminal by modes such as downloads.Corresponding units in device 500 can cooperatively interact the scheme realizing locating for user terminal with the unit in terminal.
With further reference to Fig. 6, it illustrates the structural representation of an embodiment of the service end according to the application.
As shown in Figure 6, the service end 600 of the present embodiment comprises: at least one processor 601, such as CPU (Central Processing Unit, central processing unit), at least one communication interface 602, at least one user interface 603, memory 604, at least one communication bus 605.Communication bus 605 is for realizing the connection communication between said modules.Service end 600 optionally comprises user interface 603.Memory 604 may comprise high-speed RAM (Random AccessMemory, random access memory), still may comprise nonvolatile memory (non-volatile memory), such as at least one magnetic disc store.Memory 604 optionally can comprise at least one and be positioned at storage device away from aforementioned processor 601.
In some embodiments, memory 604 stores following element, executable module or data structure, or their subset, or their superset:
Operating system 614, comprises various system program, for realizing various basic business and processing hardware based task.
Application program 624, comprises various application program, for realizing various applied business.
Concrete, can be, but not limited to comprise in application program 624:
Scanning related information acquiring unit, for obtaining the scanning related information of the user terminal that designated AP scans;
Locating information determining unit, the described scanning related information for obtaining according to positional information and the described scanning related information acquiring unit of described appointment AP determines the locating information of described user terminal;
Transmitting element, for sending the described locating information that described locating information determining unit is determined to given client end, generates corresponding distribution map for described given client end according to the type of predetermined distribution map;
Wherein, described appointment AP is multiple.
Further, described scanning related information at least comprises:
The ID of described user terminal;
Scan the ID of the appointment AP of described user terminal;
Described appointment AP scans the scanning moment of described user terminal; And
Described user terminal is at the received signal strength indicator RSSI in described scanning moment.
Further, described locating information determining unit comprises:
Anchor point obtains subelement, for determining the anchor point of described user terminal in the described scanning moment according to the positional information and described scanning related information of specifying AP;
Reference locus obtains subelement, and the described anchor point determined for obtaining subelement based on described anchor point obtains the reference locus of described user terminal in predetermined amount of time;
Syndrome unit, the described reference locus obtained for obtaining subelement to described reference locus corrects, to obtain the locating information of described user terminal in predetermined amount of time.
Further, described anchor point determination subelement comprises:
Floor determination module, for determining the floor of described user terminal residing for the described scanning moment according to the described positional information of AP and the described user terminal of specifying at the RSSI in described scanning moment, the positional information of described AP at least comprises the geographical location information of described AP and the floor information at place;
Locating area determination module, the locating area of described user terminal residing for corresponding floor is determined at the RSSI in described scanning moment for specifying the positional information of AP and described user terminal in the described floor determined according to described floor determination module, wherein, described locating area divides by carrying out cluster to the appointment AP be arranged in corresponding floor;
Anchor point determination module, determines the anchor point of described user terminal in the described scanning moment for the positional information of the appointment AP in the described locating area determined according to described locating area determination module and described user terminal at the RSSI in described scanning moment.
Further, described floor determination module is configured for:
Obtain described user terminal corresponds to each floor RSSI average in the described scanning moment;
The floor at the AP place corresponding to maximum RSSI average is defined as the floor residing for described user terminal.
Further, described locating area determination module is configured for:
Obtain described user terminal corresponds to each locating area RSSI average in the described scanning moment;
The locating area at the AP place corresponding to maximum RSSI average is defined as the locating area residing for described user terminal.
Further, described anchor point determination module is configured for:
The RSSI of AP is specified to determine the position weight of corresponding A P in the described scanning moment corresponding in described locating area according to described user terminal;
Based on the anchor point of specifying the positional information of AP and the position weight of correspondence to determine described user terminal in described locating area.
Further, described syndrome cell location is used for:
The velocity interval of described user terminal in each scanning moment is determined according to the reference locus of described user terminal;
The anchor point whether mistake of current time is judged according to the velocity interval in last scanning moment;
If so, determine to correct the anchor point of described mistake according to the velocity interval in last scanning moment and the anchor point in next scanning moment.
In the present embodiment, processor 601 is by calling the program or instruction execution corresponding steps that store in memory 604.Particularly, described communication interface is used under the control of described processor, obtain the scanning related information being designated the user terminal that AP scans, the positional information of the described appointment AP that described processor obtains according to described communication interface and described scanning related information determine the locating information of described user terminal, described communication interface is used for sending to given client end the described locating information determined by described processor under the control of described processor, corresponding distribution map is generated according to the type of predetermined distribution map for described given client end, wherein, described appointment AP is multiple.
Be described in unit module involved in the embodiment of the present application to be realized by the mode of software, also can be realized by the mode of hardware.Described unit module also can be arranged within a processor, such as, can be described as: a kind of processor comprises scanning related information acquiring unit, locating information determining unit, transmitting element.Wherein, the title of these unit modules does not form the restriction to this unit module itself under certain conditions, such as, scan related information acquiring unit can also be described to " for obtaining the unit of the scanning related information of the user terminal that designated AP scans ".
As another aspect, present invention also provides a kind of computer-readable recording medium, this computer-readable recording medium can be the computer-readable recording medium comprised in device described in above-described embodiment; Also can be individualism, be unkitted the computer-readable recording medium allocated in terminal.Described computer-readable recording medium stores more than one or one program, and described program is used for performance description in the method for user terminal location of the application by one or more than one processor.
More than describe and be only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art are to be understood that, invention scope involved in the application, be not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should be encompassed in when not departing from described inventive concept, other technical scheme of being carried out combination in any by above-mentioned technical characteristic or its equivalent feature and being formed simultaneously.The technical characteristic that such as, disclosed in above-mentioned feature and the application (but being not limited to) has similar functions is replaced mutually and the technical scheme formed.
Claims (19)
1., for a method for user terminal location, it is characterized in that, described method comprises:
Obtain the scanning related information being designated the user terminal that wireless access points AP scans;
According to described locating information of specifying the positional information of AP and described scanning related information to determine described user terminal;
Send described locating information to given client end, generate corresponding distribution map for described given client end according to the type of predetermined distribution map;
Wherein, described appointment AP is multiple.
2. method according to claim 1, is characterized in that, described scanning related information at least comprises:
The unique ID of described user terminal;
Scan the ID of the appointment AP of described user terminal;
Described appointment AP scans the scanning moment of described user terminal; And
Described user terminal is at the received signal strength indicator RSSI in described scanning moment.
3. method according to claim 2, is characterized in that, described positional information and described scanning related information according to specifying AP determines the locating information of described user terminal, comprising:
The anchor point of described user terminal in the described scanning moment is determined according to the positional information and described scanning related information of specifying AP;
The reference locus of described user terminal in predetermined amount of time is obtained based on described anchor point;
Described reference locus is corrected, to obtain the locating information of described user terminal in predetermined amount of time.
4. method according to claim 3, is characterized in that, described positional information and described scanning related information according to specifying AP determines the anchor point of described user terminal in the described scanning moment, comprising:
Determine the floor of described user terminal residing for the described scanning moment according to the described positional information of AP and the described user terminal of specifying at the RSSI in described scanning moment, the positional information of described AP at least comprises the geographical location information of described AP and the floor information at place;
The locating area of described user terminal residing for corresponding floor is determined at the RSSI in described scanning moment according to the positional information of the appointment AP be arranged in described floor and described user terminal, wherein, described locating area divides by carrying out cluster to the appointment AP be arranged in corresponding floor;
The anchor point of described user terminal in the described scanning moment is determined at the RSSI in described scanning moment according to the positional information of the appointment AP be arranged in described locating area and described user terminal.
5. method according to claim 4, is characterized in that, the described positional information according to described appointment AP and described user terminal determine the floor of described user terminal residing for the described scanning moment at the RSSI in described scanning moment, comprising:
Obtain described user terminal corresponds to each floor RSSI average in the described scanning moment;
The floor at the AP place corresponding to maximum RSSI average is defined as the floor residing for described user terminal.
6. method according to claim 4, it is characterized in that, described basis is arranged at the positional information of the appointment AP in described floor and described user terminal determines the locating area of described user terminal residing for corresponding floor at the RSSI in described scanning moment, comprising:
Obtain described user terminal corresponds to each locating area of described floor RSSI average in the described scanning moment;
The locating area at the AP place corresponding to maximum RSSI average is defined as the locating area of described user terminal residing for described floor.
7. method according to claim 4, is characterized in that, described by carrying out locating area described in clustering to the appointment AP be arranged in corresponding floor, comprising:
Based on being arranged at the position of specifying the distance between AP and described appointment AP in described corresponding floor, divide described locating area by SVM density Estimation clustering algorithm.
8. method according to claim 4, it is characterized in that, described basis is arranged at the positional information of the appointment AP in described locating area and described user terminal determines the anchor point of described user terminal in the described scanning moment at the RSSI in described scanning moment, comprising:
The RSSI of AP is specified to determine the position weight of corresponding A P in the described scanning moment corresponding in described locating area according to described user terminal;
Based on the anchor point of specifying the positional information of AP and the position weight of correspondence to determine described user terminal in described locating area.
9. method according to claim 3, is characterized in that, describedly corrects described reference locus, comprising:
The velocity interval of described user terminal in each scanning moment is determined according to the reference locus of described user terminal;
The anchor point whether mistake of current time is judged according to the velocity interval in last scanning moment;
If so, correct according to the velocity interval in last scanning moment and the anchor point of anchor point to described mistake in next scanning moment.
10. method according to claim 1, is characterized in that, described given client end adopts the engine meeting 3D drafting standards to generate described distribution map.
11. 1 kinds of devices for user terminal location, it is characterized in that, described device comprises:
Scanning related information acquiring unit, for obtaining the scanning related information of the user terminal that designated AP scans;
Locating information determining unit, the described scanning related information for obtaining according to positional information and the described scanning related information acquiring unit of described appointment AP determines the locating information of described user terminal;
Transmitting element, for sending the described locating information that described locating information determining unit is determined to given client end, generates corresponding distribution map for described given client end according to the type of predetermined distribution map;
Wherein, described appointment AP is multiple.
12. devices according to claim 11, is characterized in that, described scanning related information at least comprises:
The ID of described user terminal;
Scan the ID of the appointment AP of described user terminal;
Described appointment AP scans the scanning moment of described user terminal; And
Described user terminal is at the received signal strength indicator RSSI in described scanning moment.
13. devices according to claim 12, is characterized in that, described locating information determining unit comprises:
Anchor point obtains subelement, for determining the anchor point of described user terminal in the described scanning moment according to the positional information and described scanning related information of specifying AP;
Reference locus obtains subelement, and the described anchor point determined for obtaining subelement based on described anchor point obtains the reference locus of described user terminal in predetermined amount of time;
Syndrome unit, the described reference locus obtained for obtaining subelement to described reference locus corrects, to obtain the locating information of described user terminal in predetermined amount of time.
14. devices according to claim 13, is characterized in that, described anchor point determination subelement comprises:
Floor determination module, for determining the floor of described user terminal residing for the described scanning moment according to the described positional information of AP and the described user terminal of specifying at the RSSI in described scanning moment, the positional information of described AP at least comprises the geographical location information of described AP and the floor information at place;
Locating area determination module, the locating area of described user terminal residing for corresponding floor is determined at the RSSI in described scanning moment for specifying the positional information of AP and described user terminal in the described floor determined according to described floor determination module, wherein, described locating area divides by carrying out cluster to the appointment AP be arranged in corresponding floor;
Anchor point determination module, determines the anchor point of described user terminal in the described scanning moment for the positional information of the appointment AP in the described locating area determined according to described locating area determination module and described user terminal at the RSSI in described scanning moment.
15. devices according to claim 14, is characterized in that, described floor determination module is configured for:
Obtain described user terminal corresponds to each floor RSSI average in the described scanning moment;
The floor at the AP place corresponding to maximum RSSI average is defined as the floor residing for described user terminal.
16. devices according to claim 14, is characterized in that, described locating area determination module is configured for:
Obtain described user terminal corresponds to each locating area of described floor RSSI average in the described scanning moment;
The locating area at the AP place corresponding to maximum RSSI average is defined as the locating area of described user terminal residing for described floor.
17. devices according to claim 14, is characterized in that, described anchor point determination module is configured for:
The RSSI of AP is specified to determine the position weight of corresponding A P in the described scanning moment corresponding in described locating area according to described user terminal;
Based on the anchor point of specifying the positional information of AP and the position weight of correspondence to determine described user terminal in described locating area.
18. devices according to claim 13, is characterized in that, described syndrome cell location is used for:
The velocity interval of described user terminal in each scanning moment is determined according to the reference locus of described user terminal;
The anchor point whether mistake of current time is judged according to the velocity interval in last scanning moment;
If so, correct according to the velocity interval in last scanning moment and the anchor point of anchor point to described mistake in next scanning moment.
19. 1 kinds of service ends, is characterized in that, comprising: communication interface, processor, wherein:
Described communication interface is used under the control of described processor, obtain the scanning related information being designated the user terminal that AP scans;
The positional information of the described appointment AP that described processor obtains according to described communication interface and described scanning related information determine the locating information of described user terminal, described communication interface is used for sending to given client end the described locating information determined by described processor under the control of described processor, corresponding distribution map is generated according to the type of predetermined distribution map for described given client end, wherein, described appointment AP is multiple.
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