CN105868702A - WIFI positioning fingerprint collection device and method - Google Patents
WIFI positioning fingerprint collection device and method Download PDFInfo
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- CN105868702A CN105868702A CN201610178611.4A CN201610178611A CN105868702A CN 105868702 A CN105868702 A CN 105868702A CN 201610178611 A CN201610178611 A CN 201610178611A CN 105868702 A CN105868702 A CN 105868702A
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- 238000005259 measurement Methods 0.000 claims abstract description 59
- 238000012545 processing Methods 0.000 claims description 26
- 238000004891 communication Methods 0.000 claims description 24
- 238000001514 detection method Methods 0.000 claims description 13
- 230000002045 lasting effect Effects 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000013480 data collection Methods 0.000 abstract description 4
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/16—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using electromagnetic waves other than radio waves
-
- 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
- H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
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- Radar, Positioning & Navigation (AREA)
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Abstract
The invention provides a WIFI positioning fingerprint collection device and method. The technology of infrared distance measurement is used for the efficient and precise determining of a positioning point and the collection of WIFI data. Moreover, the WIFI data collection is preferably carried out in a plurality of horizontal directions of a current positioning point, thereby preventing the instability of a WIFI signal and a large number of environment signal sources from affecting the accuracy of WIFI fingerprint positioning, and improving the obtaining effectiveness and accuracy of fingerprints. In addition, the device can obtain more real data through onsite WIFI data collection.
Description
Technical field
The present invention relates to positioning field, particularly relate to a kind of WIFI location fingerprint harvester and method.
Background technology
Because the collection point of WIFI location fingerprint requirement is many and scope wide, workmen how is helped quickly, accurately to find collection
Point position also completes to gather, most important to the payment on time of whole system, effectively operation.
Industry mainly completes this work by two kinds of methods at present, and one is by drawing chi to measure/obscure with reference to realizing fixed point, relying on pen
Note local terminal software or mobile terminal software complete to gather；Two is to build WIFI signal based on architectural plan to cover mathematical model, meter
Calculation draws location fingerprint storehouse.The original poor efficiency of fixed-point operation mode of first method or error are uncontrollable, and second method departs from real
Border environment, the result tried to achieve is simply possible to use in theoretical research, is unsatisfactory for implementing requirement.
Summary of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of WIFI location fingerprint harvester and
Method, untrue for solving the finger print data that WIFI location fingerprint collecting efficiency in prior art is low, error big and obtains
Problem.
For achieving the above object and other relevant purposes, the present invention provides a kind of WIFI location fingerprint harvester, including: the
One infrared distance measurement module, in order to detect the distance of described harvester distance front the first predeterminated position；Second infrared distance measurement module,
The distance that detect described harvester distance left second predeterminated position vertical with described first infrared distance measurement module；3rd is infrared
Range finder module, the distance that detect described harvester distance right threeth predeterminated position vertical with described first infrared distance measurement module；
Information receiving module, in order to receive multiple collection points information；WIFI communication module, in order to gather WIFI data；Processing module,
With described information receiving module, described first infrared distance measurement module, described second infrared distance measurement module, described 3rd infrared distance measurement
Module and the electrical connection of described WIFI communication module, obtain the plurality of collection point information, selects successively to adopt with the plurality of
A corresponding collection point in collection dot information is as anchor point, and operates below execution after the most selected described anchor point: order
At least one in described second infrared distance measurement module and described 3rd infrared distance measurement module and described first infrared distance measurement module
Proceed by detection, the collection point information of described result of detection with described anchor point is contrasted, and according to described comparison result
After judging that described harvester arrives described anchor point, described WIFI communication module is made to start to gather WIFI data；And work as and institute
State the WIFI data at each collection point that multiple collection points information is corresponding when the most gathering complete, upload and the plurality of collection point
The WIFI data that information is corresponding.
In the present invention one specific embodiment, described harvester also includes that level keeps module, in order to make described harvester protect
Water holding level state.
In the present invention one specific embodiment, described harvester also includes a memory module, electrically connects with described processing module,
In order to store the plurality of collection point information and described collection data.
In the present invention one specific embodiment, described harvester also includes Buzzing module, electrically connects with described processing module, institute
State processing module also in order to: arrive after described anchor point at harvester, make described Buzzing module carry out honeybee with the first buzzing pattern
Ring；And/or after the WIFI data acquisition at current described anchor point terminates, make described Buzzing module with the second buzzing pattern
Carry out buzzing.
In the present invention one specific embodiment, described processing module also in order to after described harvester arrives described anchor point, makes
WIFI data are gathered with default acquisition time respectively in described WIFI communication module multiple directions in same level.
In the present invention one specific embodiment, described harvester is provided with multiple WIFI communication module, presets with described respectively
Acquisition time gather the WIFI data in respective direction.
In the present invention one specific embodiment, described harvester is provided with a WIFI communication module, and is additionally provided with a rotation
Revolving die block, electrically connects with described processing module, described processing module also in order to arrive after described anchor point at described harvester,
Described rotary shaft is made to rotate with predeterminated frequency, to make described WIFI communication module adopt with default the most respectively
The collection time gathers WIFI data.
In the present invention one specific embodiment, the plurality of direction is three directions, the current direction of the most described harvester,
And become 120 degree and the direction of 240 degree with described current direction.
In the present invention one specific embodiment, also include liquid crystal panel display module, electrically connect with described processing module, in order to aobvious
Show one or more in following information: described harvester is apart from the information of the distance of described anchor point, described first infrared survey
The information of the distance of described harvester distance front the first predeterminated position, described second infrared distance measurement module detection is detected away from module
The information of the distance of described harvester distance left the second predeterminated position, described 3rd described collection of infrared distance measurement module detection fill
Put the information of distance of distance right the 3rd predeterminated position, described default acquisition time, the most lasting acquisition time,
The angle information that the angle information in the plurality of direction and described harvester are presently in.
For achieving the above object and other relevant purposes, the present invention also provides for a kind of WIFI location fingerprint acquisition method, and application is such as
WIFI location fingerprint harvester described in upper any one carries out the collection of WIFI location fingerprint.
As it has been described above, the WIFI location fingerprint harvester of the present invention and method, use infrared distance measurement technology, efficiently, accurately
Determination anchor point carry out the collection of WIFI data, and in multiple horizontal directions of current anchor point, preferably carry out WIFI data
Collection, WIFI signal can be avoided unstable and the impact of accuracy of sources of environmental interference multipair WIFI location fingerprint, carry
The effectiveness of high fingerprint acquisition and accuracy, and the harvester of the present invention is by WIFI data acquisition on the spot, it is possible to obtain
The most real data.
Accompanying drawing explanation
Fig. 1 is shown as the WIFI location fingerprint harvester of present invention module diagram in one embodiment.
Fig. 2 is shown as the WIFI location fingerprint harvester of present invention application schematic diagram in one embodiment.
Fig. 3 is shown as the WIFI location fingerprint harvester of present invention workflow schematic diagram in one embodiment.
Element numbers explanation
1 WIFI location fingerprint harvester
11 first infrared distance measurement modules
12 second infrared distance measurement modules
13 the 3rd infrared distance measurement modules
14 information receiving modules
15 WIFI communication modules
16 processing modules
Detailed description of the invention
Below by way of specific instantiation, embodiments of the present invention being described, those skilled in the art can be by disclosed by this specification
Content understand other advantages and effect of the present invention easily.The present invention can also be added by the most different detailed description of the invention
To implement or application, the every details in this specification can also be based on different viewpoints and application, in the essence without departing from the present invention
Various modification or change is carried out under god.It should be noted that, the feature in the case of not conflicting, in following example and embodiment
Can be mutually combined.
It should be noted that the diagram provided in following example illustrates the basic conception of the present invention the most in a schematic way, then scheme
Component count, shape and size when showing assembly relevant in only display and the present invention rather than implement according to reality are drawn, in fact
When border is implemented, the kenel of each assembly, quantity and ratio can be a kind of random change, and its assembly layout kenel is likely to the most multiple
Miscellaneous.
WIFI fingerprint is a kind of novel indoor positioning technologies, is come by WIFI signal intensity in the case of without gps signal
Determine the position that smart mobile phone is current, on current map, all set up " WIFI fingerprint ", research worker by WIFI intensity
Mobile phone is installed the software of other smart mobile phone WIFI signal near following the tracks of, when mobile phone is connected to WIFI network when just
Positioned by " WIFI fingerprint ".Before carrying out WIFI fingerprint location, WIFI fingerprint base to be obtained is the highest
Effect, the key factor that fingerprint base will be to ensure that alignment system is effectively run accurately.Novelty of the present invention provide a kind of WIFI
Location fingerprint harvester, specifically refers to Fig. 1, and described WIFI location fingerprint harvester 1 includes the first infrared distance measurement module
11, the second infrared distance measurement module the 12, the 3rd infrared distance measurement module 13, information receiving module 14, WIFI communication module 15, with
And processing module 16.
Described first infrared distance measurement module 11 is in order to detect the described harvester 1 distance apart from front the first predeterminated position；Described
The second infrared distance measurement module 12 detection described harvester 1 vertical with described first infrared distance measurement module 11 is apart from left second
The distance of predeterminated position；Adopt described in the detection that described 3rd infrared distance measurement module 13 is vertical with described first infrared distance measurement module 11
The distance of acquisition means distance right the 3rd predeterminated position；During actual location, generally have only to open described second red simultaneously
In outer range finder module 12 and described 3rd infrared distance measurement module 13 one and described first infrared distance measurement module 11.Specifically
Open described second infrared distance measurement module 12 or described 3rd infrared distance measurement module 13 can be according to residing for harvester 1 at that time
Orientation determines.
Described information receiving module 14 is in order to receive multiple collection points information；In a particular application, described collection point information includes adopting
The positional information of collection point.
Described WIFI communication module 15 is in order to gather WIFI data.Preferably, described WIFI communication module 15 undertakes collection
RSSI (Received Signal Strength Indication, the signal intensity instruction of the reception) value of periphery WIFI, transmission basis
Data and the effect of collection data.
Described processing module 16 and described information receiving module 14, described first infrared distance measurement module 11, described second infrared survey
Electrically connect away from module 12, described 3rd infrared distance measurement module 13 and described WIFI communication module 15, obtain the plurality of
Collection point information, selects with a corresponding collection point in the information of the plurality of collection point successively as anchor point, and every time
Following operation is performed: make described second infrared distance measurement module 12 and described 3rd infrared distance measurement module 13 after selected described anchor point
In at least one and described first infrared distance measurement module 11 proceed by detection, by described result of detection and described anchor point
Collection point information contrast, such as, when according to result of detection, find position and institute that described harvester 1 is presently in
After stating the position coincidence of anchor point, it is judged that described harvester arrives described anchor point, makes described WIFI communication module start to adopt
Collection WIFI data；It is theoretical that multi-direction infrared distance measurement fix-point method is derived from Descartes's rectangular coordinate system.With this harvester 1 it is i.e.
The center of circle, the infrared distance measurement distance at least two vertical direction is both direction axle, it is achieved location fixes relatively.And infrared distance measurement
Inferior centimeter order range accuracy can be reached.Preferably, described harvester 1 gathers after WIFI ED at current anchor point,
Move to next collection point according to default order, continue to repeat above location and acquisition operations, until the plurality of collection
When the WIFI data at each collection point that dot information is corresponding gather complete the most, upload corresponding with the plurality of collection point information
WIFI data.And, it is preferred that the movement of described harvester 1, can be manually mobile, it is possible to according to the movement preset
Sequentially, the collection point information obtained and the range measurement of several infrared distance measurement module automatically move.
In the present invention one specific embodiment, described harvester 1 also includes that level keeps module, in order to make described harvester
1 keeps level.In concrete application, described level keeps module for example, universal horizontal pearl module.
In the present invention one specific embodiment, described harvester 1 also includes a memory module, is electrically connected with described processing module 16
Connect, in order to store the plurality of collection point information and described collection data.
In the present invention one specific embodiment, described harvester 1 also includes Buzzing module, electrically connects with described processing module 16,
Described processing module 6 also in order to: after described harvester 1 arrives described anchor point, make described Buzzing module with the first buzzing
Pattern carries out buzzing；In concrete application, described first buzzing pattern the shortest ring three sound.And/or in current described location
After WIFI data acquisition at Dian terminates, described Buzzing module is made to carry out buzzing with the second buzzing pattern.In concrete application,
Described second buzzing pattern is for example, yowled.
In the present invention one specific embodiment, described processing module also in order to after described harvester 1 arrives described anchor point,
Make and gather WIFI number with default acquisition time respectively in the described WIFI communication module 15 multiple directions in same level
According to.
In the present invention one specific embodiment, described harvester 1 is provided with multiple WIFI communication module 15, respectively with described
The acquisition time preset gathers the WIFI data in respective direction.
In the present invention one specific embodiment, described harvester 1 is provided with a WIFI communication module 15, and is additionally provided with
One rotary module, electrically connects with described processing module 16, and described processing module 16 is also in order to arrive institute at described harvester 1
After stating anchor point, described rotary shaft is made to rotate with predeterminated frequency, to make described WIFI communication module 15 in a plurality of directions
WIFI data are gathered respectively with default acquisition time.
In the present invention one specific embodiment, the plurality of direction is three directions, the most described harvester 1 work as front
To, and become 120 degree and the direction of 240 degree with described current direction.
In the present invention one specific embodiment, also include liquid crystal panel display module, electrically connect with described processing module 16, in order to
Show one or more in following information: described harvester 1 is apart from the information, described first red of the distance of described anchor point
Outer range finder module 11 detects described harvester 1 apart from the information of the distance of front the first predeterminated position, described second infrared distance measurement
Module 12 detects described harvester 1 apart from the information of the distance of left the second predeterminated position, described 3rd infrared distance measurement module
13 detect described harvesters 1 apart from the information of the distance of right the 3rd predeterminated position, described default acquisition time, current the most
Through the angle information that lasting acquisition time, the angle information in the plurality of direction and described harvester 1 are presently in.
Referring again to shown in Fig. 2, it is shown as the application in one embodiment of the WIFI location fingerprint harvester 1 of the present invention
Schematic diagram.The application of the present embodiment is certain space, be laid with around this space WIFI access point AP1, AP2,
AP3…APn.Described harvester 1, in this space, quickly, accurately arrives the collection points of all requirements, and completes
WIFI fingerprint collecting works.Such as No. 1 collection point requires away from dead ahead 4m, away from front-left 4m, and No. 2 collection points are away from first 8 meters
Away from left 4 meters, No. 3 collection points away from front 12 meters away from left 4 meters.In the described harvester 13 infrared distance measurement modules by setting
Two, measure distance dead ahead and the distance of front-left respectively, and carry out with the positional information of No. 1 collection point pre-set
Relatively, according to comparative result, the position of described harvester 1 is constantly revised, to make described harvester 1 arrive described No. 1
Collection point, and if after station acquisition WIFI data 30S at 0 degree of shown angle, counterclockwise rotate 120 degree, continue to adopt
Collection 30S, and another mistake hour hands rotate 120 degree, then gather 30s, after No. 1 collection point has gathered, need to move to successively No. 2,
No. 3 collection points, repeat above acquisition operations.Until the WIFI data of all of collection point preset all gather complete,
Then the data of collection are uploaded, such as, upload to the high in the clouds specified or the server specified or an other-end.
Refer to Fig. 3, be shown as the harvester of present invention workflow schematic diagram in one embodiment.Specific works
Flow process is: pass collection point down；Keeping described harvester 1 is level；Extract the information of the 1st collection point；Make first infrared
Range finder module 11 starts to measure the distance away from described harvester 1 dead ahead one predeterminated position, and makes and described first infrared distance measurement
Module 12 or described second infrared distance measurement module 13 start to measure away from described harvester 1 front-left or the distance of front-right, and
According to described 1st the collection point information extracted, it is judged that when described harvester 1 has arrived at described 1st collection point, 3
The short buzzing of sound, collection point is the most in place.Automatic/hand enter fingerprint collecting pattern, and successively at 0 degree of angle, 120 degree of angles and
240 degree of angles gather the WIFI data of 30S respectively, and make the buzzer 1 long buzzing of sound, and fingerprint collecting completes, and enter the next one and adopt
A collection point repeated acquisition, WIFI data at the collection point instantly passed the most acquired complete time, by the WIFI data of all collections
Uploading, WIFI location fingerprint collection terminates.
In another specific embodiment of the present invention, also provide for a kind of WIFI location fingerprint acquisition method, apply example performed as described above
Described WIFI location fingerprint harvester 1 carries out the collection of WIFI location fingerprint.
In sum, the WIFI location fingerprint harvester of the present invention and method, use infrared distance measurement technology, efficiently, accurately
Determination anchor point carry out the collection of WIFI data, and in multiple horizontal directions of current anchor point, preferably carry out WIFI data
Collection, WIFI signal can be avoided unstable and the impact of accuracy of sources of environmental interference multipair WIFI location fingerprint, carry
The effectiveness of high fingerprint acquisition and accuracy, and the harvester of the present invention is by WIFI data acquisition on the spot, it is possible to obtain
The most real data.So, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Any it is familiar with this skill
Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by the personage of art.Therefore, such as
All that in art, tool usually intellectual is completed under without departing from disclosed spirit and technological thought etc.
Effect is modified or changes, and must be contained by the claim of the present invention.
Claims (10)
1. a WIFI location fingerprint harvester, it is characterised in that including:
First infrared distance measurement module, in order to detect the distance of described harvester distance front the first predeterminated position；
Second infrared distance measurement module, the detection described harvester distance left second vertical with described first infrared distance measurement module
The distance of predeterminated position；
3rd infrared distance measurement module, the detection described harvester distance right threeth vertical with described first infrared distance measurement module
The distance of predeterminated position；
Information receiving module, in order to receive multiple collection points information；
WIFI communication module, in order to gather WIFI data；
Processing module, with described information receiving module, described first infrared distance measurement module, described second infrared distance measurement module,
Described 3rd infrared distance measurement module and the electrical connection of described WIFI communication module, obtain the plurality of collection point information, depend on
Secondary selection with a corresponding collection point in the information of the plurality of collection point as anchor point, and in every time selected described location
Perform following operation after Dian: make at least one in described second infrared distance measurement module and described 3rd infrared distance measurement module, with
And described first infrared distance measurement module proceeds by detection, the collection point information of described result of detection with described anchor point is carried out
Contrast, and according to described comparison result judge described harvester arrival described anchor point after, make described WIFI communication module
Start to gather WIFI data；And the WIFI data at each collection point corresponding with the plurality of collection point information gather the most
Time complete, upload the WIFI data corresponding with the plurality of collection point information.
WIFI location fingerprint harvester the most according to claim 1, it is characterised in that: also include that level keeps module, use
To make described harvester keep level.
WIFI location fingerprint harvester the most according to claim 1, it is characterised in that: also include a memory module, with institute
State processing module electrical connection, in order to store the plurality of collection point information and described collection data.
WIFI location fingerprint harvester the most according to claim 1, it is characterised in that: also include Buzzing module, with described
Processing module electrically connects, described processing module also in order to: arrive after described anchor point at harvester, make described Buzzing module
Buzzing is carried out with the first buzzing pattern；And/or after the WIFI data acquisition at current described anchor point terminates, order is described
Buzzing module carries out buzzing with the second buzzing pattern.
WIFI location fingerprint harvester the most according to claim 1, it is characterised in that: described processing module is also in order in institute
After stating the harvester described anchor point of arrival, make difference in described WIFI communication module multiple directions in same level
WIFI data are gathered with default acquisition time.
WIFI location fingerprint harvester the most according to claim 5, it is characterised in that: described harvester is provided with multiple
WIFI communication module, gathers the WIFI data in respective direction with described default acquisition time respectively.
WIFI location fingerprint harvester the most according to claim 5, it is characterised in that: described harvester is provided with one
WIFI communication module, and be additionally provided with a rotary module, electrically connects with described processing module, described processing module also in order to
After described harvester arrives described anchor point, described rotary shaft is made to rotate with predeterminated frequency, to make described WIFI
Communication module gathers WIFI data with default acquisition time the most respectively.
WIFI location fingerprint harvester the most according to claim 5, it is characterised in that: the plurality of direction is three directions,
It is respectively the current direction of described harvester, and becomes 120 degree and the direction of 240 degree with described current direction.
WIFI location fingerprint harvester the most according to claim 5, it is characterised in that: also include liquid crystal panel display module,
Electrically connect with described processing module, in order to show one or more in following information: described harvester is apart from described location
The information of the distance of point, described first infrared distance measurement module detect the distance of described harvester distance front the first predeterminated position
Information, described second infrared distance measurement module detect described harvester distance left the second predeterminated position distance information,
Described 3rd infrared distance measurement module detects the information of the distance of described harvester distance right the 3rd predeterminated position, described presets
Acquisition time, currently the most lasting acquisition time, the angle information in the plurality of direction and described harvester work as
Angle information residing for before.
10. a WIFI location fingerprint acquisition method, it is characterised in that application WIFI as according to any one of claim 1～9
Location fingerprint harvester carries out the collection of WIFI location fingerprint.
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| CN201610178611.4A CN105868702A (en) | 2016-03-25 | 2016-03-25 | WIFI positioning fingerprint collection device and method |
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| CN108761382B (en) * | 2018-05-24 | 2021-09-28 | 重庆电子工程职业学院 | Indoor positioning fingerprint feature acquisition device and method |
| CN112946567A (en) * | 2021-01-26 | 2021-06-11 | 西安电子科技大学 | Moving target fingerprint indoor positioning method based on domain confrontation neural network |
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Application publication date: 20160817 |