CN107588766A - A kind of indoor orientation method based on radio area network - Google Patents
A kind of indoor orientation method based on radio area network Download PDFInfo
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- CN107588766A CN107588766A CN201710832670.3A CN201710832670A CN107588766A CN 107588766 A CN107588766 A CN 107588766A CN 201710832670 A CN201710832670 A CN 201710832670A CN 107588766 A CN107588766 A CN 107588766A
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Abstract
The invention discloses it is a kind of based on the indoor orientation method of radio area network without external equipment access one's respective area net when,Opened 0.2 second every 30 minutes by camera,Indoor original image is updated,When networked terminals access one's respective area net,Camera as the part of one's respective area net, which is started working, shoots off-the-air picture,Wireless router identifies the model of the equipment and is transferred to main frame simultaneously,Main frame contrasts the difference of off-the-air picture and original off-the-air picture now,Position the position where networked terminals,The type information of positional information and networked terminals according to where networked terminals,With reference to the indoor arrangement stored in main frame threedimensional model and access networked terminals model,Draw threedimensional model schematic diagram of the networked terminals relative to indoor arrangement,While being accurately positioned to networked terminals,Protect the individual privacy of the operator of networked terminals.
Description
Technical field
The present invention relates to indoor positioning technologies field, specially a kind of indoor orientation method based on radio area network.
Background technology
In recent years, developing rapidly with mobile Internet, data and multimedia service quickly increase, and people are for interior
The demand of positioning increasingly increases.In urban life, inexpensive, high-precision indoor positioning is realized, is had important practical significance.
Such as in market supermarket, by obtaining consumer's personnel location information and end article positional information, route guiding can be carried out, is carried
The purchase experiences of high user；Route, or the positioning to medical worker or patient are guided by indoor navigation in hospital, disease can be made
People is given treatment to faster.But in the existing research on indoor positioning, and precision height can not be realized, it is inexpensive and suitable big
The three-dimensional indoor locating system of sizable application.
The more gps satellite positioning of application at present only relative region is more spacious, skyscraper is few, cloud layer stop it is little
Place could realize precise positioning.When GPS receiver is in the quite intensive city of high building or indoor operation, due to letter
Number intensity is influenceed and is greatly attenuated by building, wall, other objects, causes positioning precision to be affected and even can not
Complete position fixing process.
Nowadays, the access point of Wi-Fi network is dispersed throughout large-scale mall, school, large hospital, bus station, subway station etc.
Place.The Wi-Fi signal received using mobile terminal is positioned, although the positioning of low-cost high-efficiency can be realized, but
Wi-Fi signal produces reflection, diffraction multipath fading easily by such environmental effects, so locating effect and unstable.
In order to preferably carry out indoor positioning, it is necessary to design a kind of region that can be monitored to whole indoor information
Net, for carrying out the positioning of interior.
Regional network refers to the calculating unit being mutually unified into by multiple stage computers in a certain region.Usually have an area of several kms with
It is interior.Regional network can realize that file management, application software be shared, sharing printer, the schedule in working group, Email
With the function such as facsimile service.Regional network is case type, can be made up of two computers in office, can also be by
Thousands of computers composition in one company.Radio area network is set by router, including carries out nothing with one's respective area network
The various network equipments of line connection, installation monitoring device can play certain positioning function in radio area network.
The content of the invention
It is an object of the invention to provide a kind of indoor orientation method based on radio area network, to solve above-mentioned background skill
The Wi-Fi signal received using mobile terminal proposed in art is positioned, and Wi-Fi signal easily by such environmental effects, produces
Reflection, diffraction multipath fading, so locating effect and it is unstable the problem of.
To achieve the above object, the present invention provides following technical scheme：A kind of indoor positioning system based on radio area network
System, including networked terminals, floor, positioning table, wireless router, ceiling, camera, computer display, data connecting line
And main frame, the networked terminals can access one's respective area net, are placed with positioning table on the floor in corner indoors, pacifying
Put and wireless router is placed with platform, camera is installed on the ceiling, the image information of camera shooting is through cable transmission
To main frame, the image information that main frame shoots camera is correspondingly converted into indoor arrangement model and external equipment
The data message of model, shows on a computer display through data connecting line.
According to the structure of the above-mentioned indoor locating system based on radio area network and known regional network connection method, one
Indoor orientation method of the kind based on radio area network, it is comprised the following steps that：
S1, network insertion：When networked terminals access one's respective area net, wireless router has sensed that extraneous device accesses one's respective area
Net, identify the model of the equipment and be transferred to main frame；
S2, start to shoot:The signal of extraneous device access one's respective area net is passed to camera by wireless router, and camera opens
It is dynamic, start to shoot off-the-air picture；
S3, signal transmission：The image information photographed is delivered to computer by camera by the cable being embedded in ceiling
In main frame；
S4, position calculate：Main frame contrasts indoor original image information according to the image information received and calculates external set
Standby positional information indoors；
S5, three-dimensional modeling：Main frame is according to the external equipment being calculated positional information indoors and wireless router
The type information for the equipment that connection external equipment obtains, and the three-dimensional mould of the indoor arrangement of storage in itself in main frame
The model of the networked terminals of type and various accesses, three-dimensional modeling is carried out to the position where networked terminals, and model is passed through into number
It is shown to according to connecting line on computer display；
S6, terminal feedback：When main frame receives the Location Request that networked terminals are sent, main frame networks this
The positional information model of terminal uploads to regional network and the networked terminals is entered with row information orientation and transmits.
Preferably, the connected mode of wireless router and main frame is wireless connection in the step S1.
Preferably, camera carries shooting at night function in the step S2.
Preferably, it is optical cable the cable that signal is used to be transmitted in the step S3.
Preferably, indoor original image is every by camera when without external equipment access one's respective area net in the step S4
Opened 0.2 second every 30 minutes, indoor original image is updated.
Preferably, the step S5 Computers main frame only by networked terminals relative to the position where indoor arrangement three
Dimension module is transferred to computer display, the initial data of camera shooting be in locking can not read states, and in initial data
Storage area is provided with self-destruction program, and when the initial data of camera shooting meets with violence invasion, self-destruction program shoots camera
Initial data complete deletion.
Preferably, if main frame does not receive the Location Request that networked terminals are sent all the time in the step S6,
After networked terminals disconnect one's respective area net, main frame is automatically deleted the location model of the networked terminals.
Compared with prior art, the beneficial effects of the invention are as follows：When networked terminals access one's respective area net, as one's respective area
The camera of the part of net, which is started working, shoots off-the-air picture, while wireless router identifies model and the transmission of the equipment
To main frame, main frame positions networked terminals according to the difference of off-the-air picture and original off-the-air picture now
The position at place, the type information of positional information and networked terminals according to where networked terminals, with reference to being stored up in main frame
The model of the threedimensional model for the indoor arrangement deposited and the networked terminals of access, draw three-dimensional of the networked terminals relative to indoor arrangement
Model schematic, while being accurately positioned to networked terminals, protect the individual privacy of the operator of networked terminals.
Brief description of the drawings
Fig. 1 is workflow diagram of the present invention.
Fig. 2 is the structural representation of the networked terminals of the present invention.
The regional network that Fig. 3 is the present invention builds component distribution figure.
Fig. 4 is the structural representation of the positioning analysis computer of the present invention.
Fig. 5 is the schematic appearance of the wireless router of the present invention.
In figure：1st, networked terminals, 2, floor, 3, positioning table, 4, wireless router, 5, ceiling, 6, camera, 7, calculate
Machine display, 8, data connecting line, 9, main frame.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-5 are referred to, the present invention provides a kind of technical scheme：A kind of indoor locating system based on radio area network,
Connect including networked terminals 1, floor 2, positioning table 3, wireless router 4, ceiling 5, camera 6, computer display 7, data
Wiring 8 and main frame 9, the networked terminals 1 can access one's respective area net, and peace is placed with the floor 2 in corner indoors
Platform 3 is put, wireless router 4 is placed with positioning table 3, camera 6, the image that camera 6 is shot are installed on ceiling 5
Information passes to main frame 9 through cable, and the image information that camera 6 is shot correspondingly is converted into interior by main frame 9
Placement model and the data message of external equipment model, are shown on computer display 7 through data connecting line 8.
It is high according to the structure of the above-mentioned indoor locating system based on radio area network and known regional network connection method
The localization method of handheld terminal has following examples in precision office building.
Embodiment 1
A kind of indoor orientation method based on radio area network, it is comprised the following steps that：
S1, network insertion：When the operating personnel of networked terminals 1 need to carry out indoor positioning, operation networked terminals 1 access local area
Domain net, wireless router 4 have sensed that extraneous device accesses one's respective area net, identify the model of the equipment and are transferred to calculating owner
Machine 9；
S2, start to shoot:The signal of extraneous device access one's respective area net is passed to camera 6, camera 6 by wireless router 4
Start, start to shoot off-the-air picture；
S3, signal transmission：The image information photographed is delivered to calculating by camera 6 by the cable being embedded in ceiling 5
In machine host 9；
S4, position calculate：Main frame 9 contrasts indoor original image information according to the image information received and calculates external set
Standby positional information indoors；
S5, three-dimensional modeling：Main frame 9 is according to the external equipment being calculated positional information indoors and wireless router
The type information for the equipment that 4 connection external equipments obtain, and the three-dimensional of the indoor arrangement of storage in itself in main frame 9
The model of model and the networked terminals of various accesses 1, three-dimensional modeling is carried out to the position where networked terminals 1, and model is led to
Data connecting line 8 is crossed to be shown on computer display 7；
S6, terminal feedback：In main frame 9 by the positional information Model Transfer of handheld terminal 1 to the same of computer display 7
When, the positional information model of the networked terminals 1 is uploaded into regional network and the networked terminals 1 are entered with row information orientation and is transmitted.
Embodiment 2
A kind of indoor orientation method based on radio area network, it is comprised the following steps that：
S1, network insertion：When networked terminals 1 connect access one's respective area net automatically, wireless router 4 has sensed that extraneous device connects
Enter one's respective area net, identify the model of the equipment and be transferred to main frame 9；
S2, start to shoot:The signal of extraneous device access one's respective area net is passed to camera 6, camera 6 by wireless router 4
Start, start to shoot off-the-air picture；
S3, signal transmission：The image information photographed is delivered to calculating by camera 6 by the cable being embedded in ceiling 5
In machine host 9；
S4, position calculate：Main frame 9 contrasts indoor original image information according to the image information received and calculates external set
Standby positional information indoors, and record the motion track of the external equipment indoors；
S5, three-dimensional modeling：Main frame 9 according to the external equipment being calculated positional information indoors, motion track and
Wireless router 4 connects the interior of storage in the type information for the equipment that external equipment obtains, and main frame 9 itself
The model of the threedimensional model of layout and the networked terminals of various accesses 1, three-dimensional animation is carried out to the moving process of networked terminals 1 and set
Meter, and the mobile route simulation animation of networked terminals 1 indoors is shown on computer display 7 by data connecting line 8；
S6, terminal feedback：When the holder of networked terminals 1 starts the indoor positioning function of the networked terminals 1, main frame
The positional information model of the networked terminals 1 is uploaded to regional network and the networked terminals 1 is entered with row information orientation transmission by 9, works as connection
When the holder of network termination 1 starts the route tracing function of the networked terminals 1, main frame 9 is by the interior of the networked terminals 1
Mobile route simulation animation uploads to regional network and the networked terminals 1 is entered with row information orientation and transmits.
When without external equipment access one's respective area net, opened 0.2 second every 30 minutes by camera 6, to indoor original figure
As being updated, when networked terminals 1 access one's respective area net, the camera 6 as the part of one's respective area net is started working
Off-the-air picture is shot, while wireless router 4 identifies the model of the equipment and is transferred to main frame 9, main frame 9 compares
The difference of off-the-air picture and original off-the-air picture when like this, the position where positioning networked terminals 1, according to networked terminals 1
The positional information at place and the type information of networked terminals 1, with reference to the threedimensional model of the indoor arrangement stored in main frame 9
With the model of the networked terminals 1 of access, threedimensional model schematic diagram of the networked terminals 1 relative to indoor arrangement is drawn, to networking
While terminal 1 is accurately positioned, the individual privacy of the operator of networked terminals 1 is protected.
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art,
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacing, within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., this should be included in
Within the protection domain of invention.
Claims (8)
- A kind of 1. indoor orientation method based on radio area network, it is characterised in that：It is comprised the following steps that：S1, network insertion：When networked terminals access one's respective area net, wireless router has sensed that extraneous device accesses one's respective area Net, identify the model of the equipment and be transferred to main frame；S2, start to shoot:The signal of extraneous device access one's respective area net is passed to camera by wireless router, and camera opens It is dynamic, start to shoot off-the-air picture；S3, signal transmission：The image information photographed is delivered to computer by camera by the cable being embedded in ceiling In main frame；S4, position calculate：Main frame contrasts indoor original image information according to the image information received and calculates external set Standby positional information indoors；S5, three-dimensional modeling：Main frame is according to the external equipment being calculated positional information indoors and wireless router The type information for the equipment that connection external equipment obtains, and the three-dimensional mould of the indoor arrangement of storage in itself in main frame The model of the networked terminals of type and various accesses, three-dimensional modeling is carried out to the position where networked terminals, and model is passed through into number It is shown to according to connecting line on computer display；S6, terminal feedback：When main frame receives the Location Request that networked terminals are sent, main frame networks this The positional information model of terminal uploads to regional network and the networked terminals is entered with row information orientation and transmits.
- 2. the indoor orientation method according to claim 1 based on radio area network, it is characterised in that：In the step S1 The connected mode of wireless router and main frame is wireless connection.
- 3. the indoor orientation method according to claim 1 based on radio area network, it is characterised in that：In the step S2 Camera carries shooting at night function.
- 4. the indoor orientation method according to claim 1 based on radio area network, it is characterised in that：In the step S3 It is optical cable to transmit the cable that signal is used.
- 5. the indoor orientation method according to claim 1 based on radio area network, it is characterised in that：In the step S4 Indoor original image was opened 0.2 second, to indoor original when without external equipment access one's respective area net by camera every 30 minutes Image is updated.
- 6. the indoor orientation method according to claim 1 based on radio area network, it is characterised in that：In the step S5 Main frame only by networked terminals relative to the three-dimensional model transmitting of the position where indoor arrangement to computer display, take the photograph As initial data that head is shot be in locking can not read states, and be provided with self-destruction program in initial data storage area, work as camera When the initial data of shooting meets with violence invasion, initial data complete deletion that self-destruction program shoots camera.
- 7. the indoor orientation method according to claim 1 based on radio area network, it is characterised in that：In the step S6 If main frame does not receive the Location Request that networked terminals are sent all the time, after networked terminals disconnect one's respective area net, meter Calculate the location model that machine host is automatically deleted the networked terminals.
- 8. the indoor orientation method according to claim 1 based on radio area network, it is characterised in that：For described base In the alignment system of the indoor orientation method of radio area network, including networked terminals（1）, floor（2）, positioning table（3）, without circuit By device（4）, ceiling（5）, camera（6）, computer display（7）, data connecting line（8）And main frame（9）, it is described Networked terminals（1）It can access one's respective area net, the floor in corner indoors（2）On be placed with positioning table（3）, in positioning table（3） On be placed with wireless router（4）, in ceiling（5）On camera is installed（6）, camera（6）The image information warp of shooting Cable passes to main frame（9）, main frame（9）By camera（6）The image information of shooting is correspondingly converted into interior Placement model and the data message of external equipment model, through data connecting line（8）It is shown in computer display（7）On.
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