CN104768223A - Method and system for calibrating position of WIFI hotspot - Google Patents
Method and system for calibrating position of WIFI hotspot Download PDFInfo
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- CN104768223A CN104768223A CN201510114686.1A CN201510114686A CN104768223A CN 104768223 A CN104768223 A CN 104768223A CN 201510114686 A CN201510114686 A CN 201510114686A CN 104768223 A CN104768223 A CN 104768223A
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- 238000013507 mapping Methods 0.000 claims description 12
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a method and a system for calibrating a position of a WIFI hotspot. The method comprises the following steps: acquiring a GPS positioning position and acquiring a surrounding WIFI list; taking the GPS positioning position as a reference point, and calibrating the position of each WIFI hotspot in the list according to the strength of the signal; acquiring another GPS positioning position to acquire a surrounding WIFI list; finding out the WIFI hotspot with the calibrated position in the list; and taking the WIFI hotspot with the calibrated position and the other GPS positioning position as reference points, and calibrating the position of the WIFI hotspot with the uncalibrated position in the list according to the strength of the signal. The WIFI hotspot location calibration and updating method and device based on the cloud server have the advantages that the WIFI hotspot location calibration and updating are carried out, the coverage rate is high, the updating is timely, and the problem that a WIFI calibration library in the cloud server cannot be updated timely is solved.
Description
Technical field
The present invention relates to the field of locating technology of mobile terminal, particularly relate to a kind of method and system to WIFI hot spot calibration position.
Background technology
There is the mobile terminal of a lot of such as wearable device in Vehicles Collected from Market, has the functions such as location, communication, and location is again critical function wherein.This kind equipment adopts GPS mode to locate at outdoor environment mostly, but GPS locate mode then can lose efficacy under the indoor environment of such as office block contour level building.Therefore, when user carries out GPS location by mobile terminal, owing to often running into the switching of indoor/outdoor environment, cause GPS to locate unsuccessfully, now need user to be manually switched to other locate modes; In addition, when existing mobile terminal adopts GPS to locate, the problems such as power consumption is higher, positioning time is slow are also had.
For making up the defect of GPS locate failure under indoor environment, proposing and adopting base station or WIFI mode to position.But in prior art, usually there is larger position error in architecture, and the realization of WIFI location and positioning precision depend on the WIFI hot spot searched, and the WIFI hot spot searched whether beyond the clouds server have calibration position in advance, therefore in prior art, to be only limitted to some megastore or busy areas effective in WIFI location, then cannot realize in the remote regional WIFI location do not demarcated.On the other hand, because WIFI hot spot often changes, do not upgraded in time if the WIFI of server end demarcates storehouse, then position error can be caused comparatively large or cannot position.
Summary of the invention
The object of the invention is to propose a kind of method and system to WIFI hot spot calibration position, progressive step by step location position and renewal are carried out to WIFI hot spot, improve WIFI in cloud server and demarcate the coverage rate in storehouse, solve WIFI and demarcate storehouse renewal problem not in time, to ensure the realization that WIFI locates and positional accuracy.
For reaching this object, the present invention by the following technical solutions:
One aspect of the present invention provides a kind of method to WIFI hot spot calibration position, comprising:
Obtain a GPS position location, obtain the WIFI list around described GPS position location;
With described GPS position location for reference point, according to signal power, location position is carried out to each WIFI hot spot in described WIFI list;
Obtain another GPS position location, obtain the WIFI list around another GPS position location described;
Find out the WIFI hot spot of calibration position in the WIFI list around another GPS position location described; With the WIFI hot spot of described calibration position, another GPS position location described for reference point, according to signal power, location position is carried out to the WIFI hot spot of non-calibration position in the WIFI list around another GPS position location described.
Wherein, described with described GPS position location for reference point, according to signal power location position is carried out to each WIFI hot spot in described WIFI list, comprising:
The distance of each WIFI hot spot and described reference point in described WIFI list is drawn according to signal power;
With described GPS position location for reference point, according to this reference point and described distance, location position is carried out to described each WIFI hot spot.
Wherein, described with the WIFI hot spot of described calibration position, another GPS position location described for reference point, according to signal power location position is carried out to the WIFI hot spot of non-calibration position in the WIFI list around another GPS position location described, comprising:
The WIFI hot spot of non-calibration position and the first distance of the WIFI hot spot of described calibration position, the second distance with another GPS position location described in WIFI list around another GPS position location described in drawing respectively according to signal power;
Be the first reference point with the WIFI hot spot of described calibration position, be the second reference point with another GPS position location described, according to the first reference point, the first distance, the second reference point, second distance, location position carried out to described each WIFI hot spot.
Wherein, described with described GPS position location for reference point, according to signal power location position is carried out to each WIFI hot spot in described WIFI list, also comprise afterwards:
Find out the total WIFI hot spot in the WIFI list be present in around the different GPS position location of two or more, with the different GPS position location of described two or more for reference point, strong and weak according to the signal of described total WIFI hot spot in the WIFI list of each GPS position location, the location position of described total WIFI hot spot is revised.
Wherein, described strong and weak according to the signal of described total WIFI hot spot in the WIFI list of each GPS position location, the location position of described total WIFI hot spot is revised, also comprises afterwards:
Find and there is with described total WIFI hot spot the WIFI hot spot associated;
According to the revised location position of described total WIFI hot spot, carry out corresponding correction to the location position that described total WIFI hot spot exists the WIFI hot spot associated;
Described association comprises: the reference point being location position with described total WIFI hot spot, or by the reference point as described total WIFI hot spot calibration position.
Wherein, described with the WIFI hot spot of described calibration position, another GPS position location described for reference point, according to signal power location position is carried out to the WIFI hot spot of non-calibration position in the WIFI list around another GPS position location described, also comprise before:
Described in determining, the location position of the WIFI hot spot self of calibration position is not for reference point with other WIFI hot spot.
Wherein, described according to signal power location position is carried out to each WIFI hot spot in described WIFI list, also comprise afterwards:
Set up the mapping relations of the WIFI hot spot of calibration position around GPS position location and described GPS position location, store described mapping relations to cloud server.
The present invention provides a kind of system to WIFI hot spot calibration position, the cloud server comprise mobile terminal, communicating with mobile terminal network on the other hand, and described mobile terminal comprises WIFI acquiring unit, and described cloud server comprises WIFI and demarcates unit,
Described WIFI acquiring unit, for obtaining a GPS position location, obtains the WIFI list around described GPS position location;
Described WIFI demarcates unit, for described GPS position location for reference point, according to signal power, location position is carried out to each WIFI hot spot in described WIFI list;
Described WIFI acquiring unit, also for obtaining another GPS position location, obtains the WIFI list around another GPS position location described;
Described WIFI demarcates unit, also for finding out the WIFI hot spot of calibration position in the WIFI list around another GPS position location described; With the WIFI hot spot of described calibration position, another GPS position location described for reference point, according to signal power, location position is carried out to the WIFI hot spot of non-calibration position in the WIFI list around another GPS position location described.
Wherein, described with described GPS position location for reference point, according to signal power location position is carried out to each WIFI hot spot in described WIFI list, comprising:
The distance of each WIFI hot spot and described reference point in described WIFI list is drawn according to signal power;
With described GPS position location for reference point, according to this reference point and described distance, location position is carried out to described each WIFI hot spot.
Wherein, described with the WIFI hot spot of described calibration position, another GPS position location described for reference point, according to signal power location position is carried out to the WIFI hot spot of non-calibration position in the WIFI list around another GPS position location described, comprising:
The WIFI hot spot of non-calibration position and the first distance of the WIFI hot spot of described calibration position, the second distance with another GPS position location described in WIFI list around another GPS position location described in drawing respectively according to signal power;
Be the first reference point with the WIFI hot spot of described calibration position, be the second reference point with another GPS position location described, according to the first reference point, the first distance, the second reference point, second distance, location position carried out to described each WIFI hot spot.
Wherein, described cloud server also comprises amending unit,
Described amending unit, for finding out the total WIFI hot spot in the WIFI list that is present in around the different GPS position location of two or more, with the different GPS position location of described two or more for reference point, strong and weak according to the signal of described total WIFI hot spot in the WIFI list of each GPS position location, the location position of described total WIFI hot spot is revised.
Wherein, also there is with described total WIFI hot spot the WIFI hot spot associated for finding in described amending unit; According to the revised location position of described total WIFI hot spot, carry out corresponding correction to the location position that described total WIFI hot spot exists the WIFI hot spot associated;
Wherein, described association comprises: the reference point being location position with described total WIFI hot spot, or by the reference point as described total WIFI hot spot calibration position.
Wherein, described cloud server also comprises judging unit,
Described judging unit, for described in determining the location position of the WIFI hot spot self of calibration position be not for reference point with other WIFI hot spot.
Wherein, described cloud server also comprises memory cell,
Described memory cell, for setting up the mapping relations of the WIFI hot spot of calibration position around GPS position location and described GPS position location, stores described mapping relations.
Implement the embodiment of the present invention, there is following beneficial effect:
The embodiment of the present invention, by acquisition one GPS position location, obtains the WIFI list around described GPS position location; With described GPS position location for reference point, according to signal power, location position is carried out to each WIFI hot spot in described WIFI list; Obtain another GPS position location, obtain the WIFI list around another GPS position location described; Find out the WIFI hot spot of calibration position in the WIFI list around another GPS position location described; With the WIFI hot spot of described calibration position, another GPS position location described for reference point, according to signal power, location position is carried out to the WIFI hot spot of non-calibration position in the WIFI list around another GPS position location described.The solution of the present invention is in the positional information situation obtaining GPS location, obtain periphery WIFI hot spot, and progressively step by step carry out location position and demarcate upgrading to each WIFI hot spot, improve WIFI in cloud server and demarcate the coverage rate in storehouse, solve WIFI demarcation storehouse and upgrade problem not in time, be conducive to the WIFI demarcation storehouse that server beyond the clouds sets up a real-time update, certain scale is reached when the WIFI of cloud server demarcates storehouse, then can realize in the overlay area of the WIFI hot spot of calibration position, various mobile terminal no longer relies on GPS location, and realize high-precision location by WIFI location, also be conducive to the power consumption of saving mobile terminal and the time reduced needed for location simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing described below is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the method to WIFI hot spot calibration position of first embodiment of the invention.
Fig. 2 is the method flow schematic diagram to WIFI hot spot calibration position of second embodiment of the invention.
Fig. 3 is the structural representation of the system to WIFI hot spot calibration position of third embodiment of the invention.
Fig. 4 is the structural representation of the system to WIFI hot spot calibration position of fourth embodiment of the invention.
Embodiment
Carry out clear, complete description below in conjunction with accompanying drawing of the present invention to the technical scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
First embodiment
The mobile terminal (as mobile phone, pad, Intelligent worn device) that the realization of the first embodiment can be held based on some users and the cloud server corresponding with these mobile terminals, the mobile terminal that wherein user holds has GPS positioning function and WIFI linkage function, and communicate with cloud server by wireless or wired mode, the mobile terminal that namely cloud server, user hold is provided with network connecting module and signal dispatcher module.Fig. 1 is the method flow diagram to WIFI hot spot calibration position of first embodiment of the invention, is described, comprises the steps S101-S104. below in conjunction with Fig. 1 to first embodiment of the invention
Step S101, obtains a GPS position location, obtains the WIFI list around described GPS position location.
In a first embodiment, when the mobile terminal that user holds can get GPS position location, described mobile scanning terminal gets the WIFI list around current location, usual mobile terminal can scan the WIFI hot spot within the scope of acquisition 100 meters, because each WIFI hot spot may be different apart from the distance of described mobile terminal, therefore the strong and weak possibility of signal scanning each WIFI hot spot in the WIFI list obtained is different, the signal of some WIFI hot spot is stronger, the signal of some WIFI hot spot is more weak, the WIFI hot spot getting GPS position location and surrounding is sent to cloud server by network by mobile terminal.
Step S102, with described GPS position location for reference point, carries out location position according to signal power to each WIFI hot spot in described WIFI list.
In a first embodiment, due to the stronger WIFI hot spot of signal from GPS position location usually close to, the more weak WIFI hot spot of signal from GPS position location usually away from, therefore can using described GPS position location as a reference point, calculate the distance of each WIFI hot spot and described reference point in WIFI list according to signal power, realize the location position to each WIFI hot spot thus.
In the present embodiment, with described GPS position location for reference point, the error of the location position that usual WIFI hot spot obtains more by force is less, the error of the more weak location position obtained of WIFI hot spot is larger, as a preferred implementation, when carrying out location position to each WIFI hot spot, the error condition of this location position can be recorded, being convenient to provide a positioning precision for reference when mobile terminal is located by this WIFI hot spot.
In a first embodiment, the mobile terminal of different user obtains the GPS position location of its position separately, and the WIFI list simultaneously around each self-scanning position is gone forward side by side the location position of WIFI hot spot in row-column list.Because the popularity rate of current mobile terminal is very high, user distribution is local at each of city, therefore can realize comprehensive demarcation of WIFI hot spot, ensure the coverage rate of the WIFI hot spot of calibration position.
Step S103, obtains another GPS position location, obtains the WIFI list around another GPS position location described.
In a first embodiment, user carries mobile terminal can obtain different GPS position locations in different location, and scanning obtains the WIFI list at diverse location.If certain GPS position location close together (as being less than 200 meters) that the GPS position location of current acquisition and history obtain, identical WIFI hot spot may be included in the WIFI list of certain GPS position location that the WIFI list then around current GPS position location and history obtain, total WIFI hot spot can be called.In addition, even if front and back obtain identical GPS position location at same position, because the WIFI hot spot of surrounding may there occurs renewal, different WIFI hot spot may be there is in the WIFI list obtained for twice before and after then identical GPS position location, just because of this, need that storehouse is demarcated to high in the clouds WIFI and carry out real-time update.
Step S104, finds out the WIFI hot spot of calibration position in the WIFI list around another GPS position location described; With the WIFI hot spot of described calibration position, another GPS position location described for reference point, according to signal power, location position is carried out to the WIFI hot spot of non-calibration position in the WIFI list around another GPS position location described.
In a first embodiment, if have the WIFI hot spot of calibration position in the new WIFI list obtained, then the position of such WIFI hot spot also can be used as a reference point, in conjunction with the GPS position location that this obtains, continues to carry out location position to the WIFI hot spot of not demarcating of surrounding.Embodiment can be: according to the WIFI hot spot of non-calibration position in the WIFI list that signal power draws around another GPS position location described respectively and the first distance of the WIFI hot spot of calibration position, the second distance with another GPS position location described; Be the first reference point with the WIFI hot spot of described calibration position, be the second reference point with another GPS position location described, and then location position can be carried out according to the first reference point, the first distance, the second reference point, second distance to described each WIFI hot spot.
It should be noted that, due to may certain error be there is to the location position of WIFI hot spot itself, if itself is with other WIFI hot spot for reference point obtains location position, it is re-used as other WIFI hot spot of reference point when carrying out location position, and the change step by step that there will be error is large.For preventing this error from increasing step by step, need be limited as a reference point for the WIFI hot spot of calibration position the association hierarchical depth that other WIFI hot spot carry out location position.Preferably, can qualified association hierarchical depth be one-level association, namely the WIFI hot spot itself only having calibration position not with other WIFI hot spot for reference point carries out location position, it could not demarcate the reference point of the location position of WIFI hot spot as other, to ensure the accuracy of location position.
By first embodiment of the invention, by mode progressive step by step, location position is carried out to WIFI hot spot, be conducive to realizing the comprehensive covering to WIFI hot spot calibration position, ensure the coverage rate of the WIFI hot spot of calibration position in cloud server.When in cloud server the WIFI hot spot of calibration position reach certain scale, then in the overlay area of these WIFI hot spot, mobile terminal no longer can rely on GPS and realize location, WIFI locate mode is adopted to realize high-precision location, shorten the time needed for location, be conducive to the power consumption of saving mobile terminal.
Second embodiment
Be, in the second embodiment, if the position that twice and above GPS locate is separated by comparatively near, in the WIFI list scanned, then can there is total WIFI hot spot with the main distinction of the first embodiment.In second embodiment, the signal of the total WIFI hot spot that can obtain according to multiple GPS position location and each GPS position location is strong and weak, the location position of this total WIFI hot spot verified and revises, improving these total accuracy to WIFI hot spot calibration position.Fig. 2 is the flow chart of the second embodiment, is described the second embodiment below in conjunction with Fig. 2.
Step S201, obtains a GPS position location, obtains the WIFI list around described GPS position location.
Step S202, with described GPS position location for reference point, carries out location position according to signal power to each WIFI hot spot in described WIFI list.
Step S203, obtains another GPS position location, obtains the WIFI list around another GPS position location described.
Step S204, finds out the WIFI hot spot of calibration position in the WIFI list around another GPS position location described; With the WIFI hot spot of described calibration position, another GPS position location described for reference point, according to signal power, location position is carried out to the WIFI hot spot of non-calibration position in the WIFI list around another GPS position location described.
In embodiments of the present invention, the mobile terminal due to different user all can obtain the GPS position location of its position, and each self-scanning simultaneously obtains the WIFI list around position.Because some users may be there is in a certain region, the GPS position location obtained separately by some users and WIFI list, can mutually verify the location position of the WIFI hot spot related to and revise, the accuracy to WIFI hot spot calibration position therefore obtained be very high.
In second embodiment, the embodiment of step S201-204 can with reference to the first embodiment.
Step S205, finds out the total WIFI hot spot in the WIFI list be present in around the different GPS position location of two or more.
In second embodiment, need server beyond the clouds to set up the mapping relations of the WIFI hot spot of calibration position around GPS position location and described GPS position location, store described mapping relations, so that inquiry.
Step S206, with the different GPS position location of described two or more for reference point, strong and weak according to the signal of described total WIFI hot spot in the WIFI list of each GPS position location, the location position of described total WIFI hot spot is revised.
In a second embodiment, relevant with relative position with the quantity of referenced GPS position location to the accuracy of the location position of total WIFI hot spot.Such as 3 GPS position locations on one wire, a total WIFI hot spot is there is in the WIFI list of 3 each position, by these 3 GPS position locations, location position is carried out to this total focus, if there is a total WIFI hot spot in the WIFI list of 3 each position, and these 3 GPS position locations are the position relationship of triangular form round this total WIFI hot spot, are located the position of its total WIFI hot spot by these 3 GPS position locations; Usually the former location position error is greater than the location position error of the latter.
It should be noted that, above-mentioned steps S205-206 can be synchronous execution with the execution of step S203-204, or successively carries out, and the present invention is not construed as limiting this.
Further, after the location position of a certain WIFI hot spot is revised, the location position of other WIFI hot spot that the correction of adaptability associates with it, demarcates the overall accuracy in storehouse with the WIFI improving cloud server.Namely, after the location position of a certain WIFI hot spot is revised, other WIFI hot spot existing with this WIFI hot spot and associate need be found; According to the revised location position of this WIFI hot spot, carry out corresponding correction to the location position of the WIFI hot spot that it associates.Here association comprises: the reference point being location position with this WIFI hot spot, or by as this reference point to WIFI hot spot calibration position.
By above-mentioned second embodiment, carry out verifying and revising with the location position that the different GPS position location of two or more is the same WIFI hot spot of reference point, improve the accuracy of the location position of WIFI hot spot.
The embodiment of the system to WIFI hot spot calibration position provided for the embodiment of the present invention below.Embodiment and the above-mentioned embodiment of the method for described system belong to same design, and the detail content of not detailed description in the embodiment of system can with reference to said method embodiment.
3rd embodiment
Fig. 3 shows the structural representation of the system to WIFI hot spot calibration position of third embodiment of the invention, and a kind of system to WIFI hot spot calibration position of the 3rd embodiment, belongs to same design with above-mentioned first embodiment.Below in conjunction with Fig. 3, the 3rd embodiment is described in detail.
As Fig. 3,3rd embodiment the system of WIFI hot spot calibration position is comprised: mobile terminal 10, with the cloud server 20 of mobile terminal 10 network service, described mobile terminal 10 comprises WIFI acquiring unit 101, and described cloud server 20 comprises WIFI and demarcates unit 201. wherein
Described WIFI acquiring unit 101, for obtaining a GPS position location, obtains the WIFI list around described GPS position location.Therefore, mobile terminal 10 described in the present embodiment also comprises GPS functional module and WIFI module.
Described WIFI demarcates unit 201, for described GPS position location for reference point, according to signal power, location position is carried out to each WIFI hot spot in described WIFI list.In 3rd embodiment, be specially the distance drawing each WIFI hot spot and described reference point in described WIFI list according to signal power, with described GPS position location for reference point, according to this reference point and described distance, location position carried out to described each WIFI hot spot.
Described WIFI acquiring unit 101, also for obtaining another GPS position location, obtains the WIFI list around another GPS position location described.
Described WIFI demarcates unit 201, also for finding out the WIFI hot spot of calibration position in the WIFI list around another GPS position location described; With the WIFI hot spot of described calibration position, another GPS position location described for reference point, according to signal power, location position is carried out to the WIFI hot spot of non-calibration position in the WIFI list around another GPS position location described.In the third embodiment, specifically can be the first distance of the WIFI hot spot of non-calibration position and the WIFI hot spot of described calibration position in the WIFI list drawing around another GPS position location described respectively according to signal power, and the second distance of another GPS position location described; Be the first reference point with the WIFI hot spot of described calibration position, be the second reference point with another GPS position location described, according to the first reference point, the first distance, the second reference point, second distance, location position carried out to described each WIFI hot spot.
Due to may certain error be there is to the location position of WIFI hot spot itself, if itself with other WIFI hot spot for reference point obtains location position, it is re-used as other WIFI hot spot of reference point when carrying out location position, and the change step by step that there will be error is large.For preventing this error from increasing step by step, need be limited as a reference point for the WIFI hot spot of calibration position the association hierarchical depth that other WIFI hot spot carry out location position.Preferably, can qualified association hierarchical depth be one-level association, namely the WIFI hot spot itself only having calibration position not with other WIFI hot spot for reference point carries out location position, it could not demarcate the reference point of the location position of WIFI hot spot as other, to ensure the accuracy of location position.
Therefore, preferably, in the 3rd embodiment, cloud server 20 also comprises judging unit 202, for described in determining the location position of the WIFI hot spot self of calibration position be not for reference point with other WIFI hot spot.
By third embodiment of the invention, in mode progressive step by step, location position is carried out to WIFI hot spot, be conducive to realizing the comprehensive covering to WIFI hot spot calibration position, ensure the coverage rate of the WIFI hot spot of calibration position in cloud server.When in cloud server the WIFI hot spot of calibration position reach certain scale, then in the overlay area of these WIFI hot spot, mobile terminal no longer can rely on GPS and realize location, WIFI locate mode is adopted to realize high-precision location, shorten the time needed for location, be conducive to the power consumption of saving mobile terminal.
4th embodiment
System to WIFI hot spot calibration position and above-mentioned second embodiment of the 4th embodiment belong to same design.As Fig. 4, the cloud server 20 system of WIFI hot spot calibration position being comprised to mobile terminal 10 and mobile terminal 10 network service of the 4th embodiment, described mobile terminal 10 comprises WIFI acquiring unit 101, and described cloud server 20 comprises WIFI demarcation unit 201 and judging unit 202. specifically can with reference to described in above-mentioned 3rd embodiment.In addition, described cloud server also comprises amending unit 203, for finding out the total WIFI hot spot in the WIFI list that is present in around the different GPS position location of two or more, with the different GPS position location of described two or more for reference point, strong and weak according to the signal of described total WIFI hot spot in the WIFI list of each GPS position location, the location position of described total WIFI hot spot is revised.
In the present embodiment, relevant with relative position with the quantity of referenced GPS position location to the accuracy of the location position of total WIFI hot spot.Such as 3 GPS position locations on one wire, a total WIFI hot spot is there is in the WIFI list of 3 each position, by these 3 GPS position locations, location position is carried out to this total focus, if there is a total WIFI hot spot in the WIFI list of 3 each position, and these 3 GPS position locations are the position relationship of triangular form round this total WIFI hot spot, are located the position of its total WIFI hot spot by these 3 GPS position locations; Usually the former location position error is greater than the location position error of the latter.
Further, also there is with described total WIFI hot spot the WIFI hot spot associated for finding in amending unit 203 described in the 4th embodiment; According to the revised location position of described total WIFI hot spot, carry out corresponding correction to the location position that described total WIFI hot spot exists the WIFI hot spot associated.Association in the present embodiment comprises: the reference point being location position with described total WIFI hot spot, or by as the described total reference point to WIFI hot spot calibration position.In the present embodiment, preferably, described cloud server 20 also comprises memory cell, for setting up the mapping relations of the WIFI hot spot of calibration position around GPS position location and described GPS position location, stores described mapping relations, so that inquiry.
By the system of the 4th embodiment, the GPS position location of its position of acquisition for mobile terminal of different user, each self-scanning simultaneously obtains the WIFI list around position.Because some users may be there is in a certain region, the GPS position location obtained separately by some users and WIFI list, can mutually verify the location position of the WIFI hot spot related to and revise, the accuracy to WIFI hot spot calibration position therefore obtained be very high.Meanwhile, after the location position of a certain WIFI hot spot is revised, the location position of other WIFI hot spot that the correction of adaptability associates with it, demarcates the overall accuracy in storehouse with the WIFI improving cloud server.
Above disclosedly be only present pre-ferred embodiments, certainly the right of the present invention can not be limited with this, therefore, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., still belong to the scope that the present invention is contained.
Claims (14)
1. to a method for WIFI hot spot calibration position, it is characterized in that, comprising:
Obtain a GPS position location, obtain the WIFI list around described GPS position location;
With described GPS position location for reference point, according to signal power, location position is carried out to each WIFI hot spot in described WIFI list;
Obtain another GPS position location, obtain the WIFI list around another GPS position location described;
Find out the WIFI hot spot of calibration position in the WIFI list around another GPS position location described; With the WIFI hot spot of described calibration position, another GPS position location described for reference point, according to signal power, location position is carried out to the WIFI hot spot of non-calibration position in the WIFI list around another GPS position location described.
2., as claimed in claim 1 to the method for WIFI hot spot calibration position, it is characterized in that, described with described GPS position location for reference point, according to signal power location position is carried out to each WIFI hot spot in described WIFI list, comprising:
The distance of each WIFI hot spot and described reference point in described WIFI list is drawn according to signal power;
With described GPS position location for reference point, according to this reference point and described distance, location position is carried out to described each WIFI hot spot.
3. as claimed in claim 1 to the method for WIFI hot spot calibration position, it is characterized in that, described with the WIFI hot spot of described calibration position, another GPS position location described for reference point, according to signal power, location position is carried out to the WIFI hot spot of non-calibration position in the WIFI list around another GPS position location described, comprising:
The WIFI hot spot of non-calibration position and the first distance of the WIFI hot spot of described calibration position, the second distance with another GPS position location described in WIFI list around another GPS position location described in drawing respectively according to signal power;
Be the first reference point with the WIFI hot spot of described calibration position, be the second reference point with another GPS position location described, according to the first reference point, the first distance, the second reference point, second distance, location position carried out to described each WIFI hot spot.
4., as claimed in claim 1 to the method for WIFI hot spot calibration position, it is characterized in that, described with described GPS position location for reference point, according to signal power location position is carried out to each WIFI hot spot in described WIFI list, also comprise afterwards:
Find out the total WIFI hot spot in the WIFI list be present in around the different GPS position location of two or more, with the different GPS position location of described two or more for reference point, strong and weak according to the signal of described total WIFI hot spot in the WIFI list of each GPS position location, the location position of described total WIFI hot spot is revised.
5. as claimed in claim 4 to the method for WIFI hot spot calibration position, it is characterized in that, described strong and weak according to the signal of described total WIFI hot spot in the WIFI list of each GPS position location, the location position of described total WIFI hot spot is revised, also comprises afterwards:
Find and there is with described total WIFI hot spot the WIFI hot spot associated;
According to the revised location position of described total WIFI hot spot, carry out corresponding correction to the location position that described total WIFI hot spot exists the WIFI hot spot associated;
Described association comprises: the reference point being location position with described total WIFI hot spot, or by the reference point as described total WIFI hot spot calibration position.
6. as claimed in claim 1 to the method for WIFI hot spot calibration position, it is characterized in that, described with the WIFI hot spot of described calibration position, another GPS position location described for reference point, according to signal power, location position is carried out to the WIFI hot spot of non-calibration position in the WIFI list around another GPS position location described, also comprises before:
Described in determining, the location position of the WIFI hot spot self of calibration position is not for reference point with other WIFI hot spot.
7., as claimed in claim 1 to the method for WIFI hot spot calibration position, it is characterized in that, described according to signal power location position is carried out to each WIFI hot spot in described WIFI list, also comprise afterwards:
Set up the mapping relations of the WIFI hot spot of calibration position around GPS position location and described GPS position location, store described mapping relations to cloud server.
8. to a system for WIFI hot spot calibration position, it is characterized in that, the cloud server comprise mobile terminal, communicating with mobile terminal network, described mobile terminal comprises WIFI acquiring unit, and described cloud server comprises WIFI and demarcates unit,
Described WIFI acquiring unit, for obtaining a GPS position location, obtains the WIFI list around described GPS position location;
Described WIFI demarcates unit, for described GPS position location for reference point, according to signal power, location position is carried out to each WIFI hot spot in described WIFI list;
Described WIFI acquiring unit, also for obtaining another GPS position location, obtains the WIFI list around another GPS position location described;
Described WIFI demarcates unit, also for finding out the WIFI hot spot of calibration position in the WIFI list around another GPS position location described; With the WIFI hot spot of described calibration position, another GPS position location described for reference point, according to signal power, location position is carried out to the WIFI hot spot of non-calibration position in the WIFI list around another GPS position location described.
9., as claimed in claim 8 to the system of WIFI hot spot calibration position, it is characterized in that, described with described GPS position location for reference point, according to signal power location position is carried out to each WIFI hot spot in described WIFI list, comprising:
The distance of each WIFI hot spot and described reference point in described WIFI list is drawn according to signal power;
With described GPS position location for reference point, according to this reference point and described distance, location position is carried out to described each WIFI hot spot.
10. as claimed in claim 8 to the system of WIFI hot spot calibration position, it is characterized in that, described with the WIFI hot spot of described calibration position, another GPS position location described for reference point, according to signal power, location position is carried out to the WIFI hot spot of non-calibration position in the WIFI list around another GPS position location described, comprising:
The WIFI hot spot of non-calibration position and the first distance of the WIFI hot spot of described calibration position, the second distance with another GPS position location described in WIFI list around another GPS position location described in drawing respectively according to signal power;
Be the first reference point with the WIFI hot spot of described calibration position, be the second reference point with another GPS position location described, according to the first reference point, the first distance, the second reference point, second distance, location position carried out to described each WIFI hot spot.
11., as claimed in claim 8 to the system of WIFI hot spot calibration position, is characterized in that, described cloud server also comprises amending unit,
Described amending unit, for finding out the total WIFI hot spot in the WIFI list that is present in around the different GPS position location of two or more, with the different GPS position location of described two or more for reference point, strong and weak according to the signal of described total WIFI hot spot in the WIFI list of each GPS position location, the location position of described total WIFI hot spot is revised.
12., as claimed in claim 11 to the system of WIFI hot spot calibration position, is characterized in that, described amending unit, also there is with described total WIFI hot spot the WIFI hot spot associated for finding; According to the revised location position of described total WIFI hot spot, carry out corresponding correction to the location position that described total WIFI hot spot exists the WIFI hot spot associated;
Wherein, described association comprises: the reference point being location position with described total WIFI hot spot, or by the reference point as described total WIFI hot spot calibration position.
13., as claimed in claim 8 to the system of WIFI hot spot calibration position, is characterized in that, described cloud server also comprises judging unit,
Described judging unit, for described in determining the location position of the WIFI hot spot self of calibration position be not for reference point with other WIFI hot spot.
14., as claimed in claim 8 to the system of WIFI hot spot calibration position, is characterized in that, described cloud server also comprises memory cell,
Described memory cell, for setting up the mapping relations of the WIFI hot spot of calibration position around GPS position location and described GPS position location, stores described mapping relations.
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