CN107218944A - A kind of indoor parking Position Fixing Navigation System and method based on visible light communication technology - Google Patents
A kind of indoor parking Position Fixing Navigation System and method based on visible light communication technology Download PDFInfo
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- CN107218944A CN107218944A CN201710226478.XA CN201710226478A CN107218944A CN 107218944 A CN107218944 A CN 107218944A CN 201710226478 A CN201710226478 A CN 201710226478A CN 107218944 A CN107218944 A CN 107218944A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/20—Instruments for performing navigational calculations
- G01C21/206—Instruments for performing navigational calculations specially adapted for indoor navigation
-
- 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
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/116—Visible light communication
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Automation & Control Theory (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses a kind of indoor parking Position Fixing Navigation System based on visible light communication technology, including：LED end and terminal, LED end includes microcontroller, modulation module and LED, microcontroller connects modulation module, modulation module connects LDE lamps, wherein, microcontroller is used to store the corresponding position encoded information of LED, and position encoded information is sent to modulation module, and modulation module is used to control LED to launch optical signal；Terminal includes Optical Receivers, wireless communication module, client, Optical Receivers is connected with wireless communication module, wireless communication module is connected with client, Optical Receivers is used for the modulating signal for receiving LED transmitting, and optical signal is reduced into position encoded information is sent to wireless communication module, the position encoded information received is decoded and sent to client by wireless communication module, to obtain navigation information.Solve electromagnetic interference technical problem present in existing indoor parking navigation location technology.
Description
Technical field
The present invention relates to technical field of visible light communication, more particularly to a kind of indoor parking based on visible light communication technology
Position Fixing Navigation System and method.
Background technology
With the quickening and the popularization of large-scale underground parking of urbanization process, people position for underground garage,
Stop, seek car demand it is increasing, while it is also proposed higher requirement to location Based service on mobile-terminal platform.
GPS is as a kind of ripe alignment system, and free environments have good Consumer's Experience and positioning precision out of doors, but due to defending
Star navigation signal is penetrated after building walls, and signal intensity significantly decays, and indoor multipath phenomenon is serious in addition, causes GPS
Positioning precision significantly decline, it is difficult to meet the indoor positioning demand of user.
At present, the indoor locating system of main flow relies primarily on infrared, ultrasonic wave, ultra wide band, radio frequency identification (wireless local
Net, ZigBee) technology etc., but be easily disturbed and in same microwave electricity because it uses radiofrequency signal, when propagating in the air
It can not be used on road, same direction under the special screnes such as same frequency, therefore aircraft, hospital using limited.It is therefore necessary to seek
A kind of new location technology is looked for, to solve the problems of indoor wireless location technology.
The content of the invention
One of purpose of the present invention is to propose a kind of indoor parking location navigation system based on visible light communication technology
System and method, solve the easy by electromagnetic interference technical problem of existing indoor positioning airmanship presence.It is all that the present invention is provided
Many technique effects elaboration as detailed below that optimal technical scheme in many technical schemes can be generated.
To achieve the above object, the invention provides following technical scheme：
A kind of indoor parking Position Fixing Navigation System based on visible light communication technology, including：LED end and terminal, it is described
LED end includes microcontroller, modulation module and LED, and the microcontroller connects the modulation module, the modulation module
The LDE lamps are connected, wherein, the microcontroller is used to store the corresponding position encoded information of LED, and the position is compiled
Code information is sent to the modulation module, and the modulation module is used to control the LED transmitting optical signal；The terminal includes
Optical Receivers, wireless communication module, client, the Optical Receivers are connected with the wireless communication module, described wireless
Communication module is connected with the client, and the Optical Receivers is used for the modulating signal for receiving the LED transmitting, and will be described
Optical signal is reduced into position encoded information and is sent to wireless communication module, and the wireless communication module is position encoded by what is received
Information is decoded and sent to client, to obtain navigation information.
Further, the LED at least two, installs the lighting apparatus of known location indoors, each LED
Using independent integrated circuit is used, by control system of switching on or off electricity, unique passage of scintillation light, the unique position encoded letter of correspondence are sent
Breath.
Further, the modulation module uses OOK, PPM or VPPM modulation system.
Further, the modulation module controls LED to launch optical signal by switching control key.
Further, the position encoded information is the binary data Jing Guo Manchester's code.
Further, wireless communication module is specially bluetooth communication.
Further, the client is the mobile communication terminal for being built-in with location navigation software, and mobile communication terminal connects
The position encoded information that the wireless communication module is sent is received, is decoded by built-in location navigation software, to obtain use
Navigation information.
In addition, the present invention provides a kind of indoor parking positioning navigation method based on visible light communication technology, using above-mentioned
Position Fixing Navigation System carries out location navigation, including：
For each LED, independent integrated circuit is set, and by control system of switching on or off electricity LED send unique passage of scintillation light,
With the unique position encoded information of correspondence；
Modulation module is by controlling the flicker of LDE lamps to send optical signal；
Optical Receivers receives optical signal, and the optical signal is reduced into the corresponding position of LED for sending optical signal
Coding information；
The position encoded information received is sent to client by Optical Receivers by wireless communication module.
Further, the modulation module sends light letter using the control LED flicker of OOK, PPM or VPPM modulation system
Number.
Further, the wireless communication module is specially bluetooth module.
Based on above-mentioned technical proposal, by will be seen that optical communication technique and indoor navigation location technology are mused together,
Using dismountable optical receiver, location navigation can be provided for car, and location navigation service can be provided for people, and utilizes LED
The being widely present property of lamp, can solve the easy by electromagnetic interference technical problem of existing indoor navigation location technology presence.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
The indoor parking Position Fixing Navigation System framework based on visible light communication technology that Fig. 1 is provided by the embodiment of the present invention
Figure；
The indoor parking positioning navigation method flow based on visible light communication technology that Fig. 2 is provided by the embodiment of the present invention
Figure.
Reference：
LED end 10；Microcontroller 11；Modulation module 12；LED 13；
Terminal 20；Optical Receivers 21；Wireless communication module 22；Client 23.
Embodiment
Be referred to accompanying drawing Fig. 1~Fig. 2 below and word content understand present disclosure and it is of the invention with it is existing
Distinctive points between technology.Hereafter accompanying drawing and enumerate the present invention some alternative embodiments by way of, to the present invention
Technical scheme (including optimal technical scheme) is described in further detail.It should be noted that：Any skill in the present embodiment
Art feature, any technical scheme are the one or more in the technical characteristic or optional technical scheme of plurality of optional, in order to
All alternative technical characteristics of the invention impossible to exhaust and alternative technical side in this document the need for description is succinct
Case, the embodiment for being also not easy to each technical characteristic emphasizes that it is one of optional numerous embodiments, so this area
Technical staff should know：Any technological means of the invention that provide can be replaced or the present invention is provided any two
Individual or more technological means or technical characteristic are combined mutually and obtain new technical scheme.Any skill in the present embodiment
Art feature and any technical scheme are not limited the scope of the invention, and protection scope of the present invention should include this area
Technical staff does not pay the thinkable any alternate embodiments of creative work institute and those skilled in the art by the present invention
Any two of offer or more technological means or technical characteristic technical scheme new obtained from being combined mutually.
The embodiments of the invention provide a kind of indoor parking Position Fixing Navigation System based on visible light communication technology and method.
Illustrated in more detail with reference to Fig. 1~Fig. 2 technical schemes provided the present invention.
A kind of indoor parking Position Fixing Navigation System based on visible light communication technology that the embodiment of the present invention is provided, such as schemes
Shown in 1, including LED end 10 and terminal 20, the LED end 10 includes microcontroller 11, modulation module 12 and LED 13,
The microcontroller 11 connects the modulation module 12, and the modulation module 12 connects the LDE lamps 13, wherein, the micro-control
Device 11 processed is used to store the corresponding position encoded information of LED 13, and the position encoded information is sent to the modulation mould
Block 12, the modulation module 12 is used to control the transmitting of LED 13 optical signal；The terminal 20 include Optical Receivers 21,
Wireless communication module 22 and client 23, the Optical Receivers 21 are connected with the wireless communication module 22, the channel radio
Letter module 22 is connected with the client 23, and the Optical Receivers 21 is used to receive the modulating signal that the LED 13 is launched, and
The optical signal is reduced into position encoded information and is sent to wireless communication module 22, the wireless communication module 22 will be received
Position encoded information decoded and sent to client 23, to obtain navigation information.
For above-mentioned embodiment, the present invention provides a kind of application scenarios, by taking underground parking as an example, logical by visible ray
Letter technology carries out location navigation, and wherein the position of LED 13 and quantity, which are set, is arranged according to the ceiling height in parking lot, parking stall
And lighting demand arrangement, it is specifically laid in the top of garage passageway and parking stall etc., and the layout density of LED 13 should
Set positioning precision is met, the interference met again between the optical signal of each LED transmitting does not influence the letter of terminal 20
Breath parsing.LED end 10 includes microcontroller 11, modulation module 12 and LED 13, wherein microcontroller 11, modulation module 12
And LED is sequentially connected, microcontroller 11 is stored with specific position encoded information and by this position encoded message loop
It is sent to modulation module 12 to work, the control of modulation module 12 LED 13 flashes and launches optical signal.Terminal 20 is arranged on before automobile
On windshield or console, terminal 20 includes Optical Receivers 21, wireless communication module 22 and client 23, passes through light-receiving
Module 21 receives optical signal and optical signal is reduced into position encoded information, then exports the information to wireless communication module 22, nothing
Line communication module 22 sends position encoded information to client 23, and customer position information is obtained after being decoded by client 23.It is excellent
Choosing, wireless communication module 22 is bluetooth module, by using the mode of Bluetooth communication；Client 23 specifically includes to be built-in with
The mobile communication terminal of location navigation software, such as smart mobile phone, smart mobile phone are encoded by Blue-tooth communication method receiving position
Information, customer position information is obtained after being decoded by the location navigation software built in smart mobile phone to position coding information,
Realize the function of location navigation.
In addition, when having stopped car people and leaving, optical receiver 21 can be taken off from shield glass, now,
The communication between smart mobile phone is realized without using bluetooth module, but the receiver J-Horner of smart mobile phone can be directly inserted in
On.So as to realize the location navigation of people and seek car function.
The present embodiment is by using LED-ID as technical principle, while using Bluetooth information data transfer, and using removable
The optical receiver unloaded, is that people also provides positioning navigation dress on the basis of the location navigation of car is realized to realize reverse car seeking
Business.It will be seen that optical communication technique and indoor navigation location technology are mused together, using the being widely present property of LED, to solve
Electromagnetic interference problem present in certainly existing indoor navigation technology.
Further, the LED 13 at least two, installs the lighting apparatus of known location indoors, each LED
Lamp 13 is using independent integrated circuit is used, by control system of switching on or off electricity, sends unique passage of scintillation light, and correspondence is unique position encoded
Information.By setting independent integrated circuit respectively for LED etc., control system of switching on or off electricity is individually carried out to each LED, to cause
Each LED sends unique passage of scintillation light, and corresponds to unique coding information, to improve the accuracy of location navigation.
Further, modulation module 12 uses OOK, PPM or VPPM modulation system.Specifically, being adopted in bad channel occasion
Use PPM modulation；When requiring to change 13 brightness of LED, modulated under conditions of working direct current is constant using VPPM；In bandwidth
Modulated when greatly, realizing simple using OOK.
Further, modulation module 12 controls LED to flash by switching control key, to send visible light signal.
Further, the position encoded information is the binary data Jing Guo Manchester's code.By using graceful thorough
This special coded system, can prevent the alternating due to binary code " 0 " and " 1 " and trigger the sudden strain of a muscle of the LED lamplight when sending signal
It is bright.
The present invention also provides a kind of indoor parking positioning navigation method based on visible light communication technology, as shown in Fig. 2 adopting
Location navigation is carried out with above-mentioned Position Fixing Navigation System, including：
S101, is that each LED 13 sets independent integrated circuit, and sent uniquely by control system of switching on or off electricity LED 13
Passage of scintillation light, with the unique position encoded information of correspondence；
S102, modulation module 12 is by controlling the flicker of LDE lamps 13 to send optical signal；
S103, Optical Receivers 21 receives optical signal, and the optical signal is reduced into the LED correspondence for sending optical signal
Position encoded information；
The position encoded information received is sent to visitor by S104, Optical Receivers 21 by wireless communication module 22
Family end 23.
A kind of positioning navigation method based on visible light communication technology that the present embodiment is provided, is each LED first
13 set independent integrated circuit, and send unique passage of scintillation light, by control system of switching on or off electricity LED 13 to correspond to unique position
Coding information；Modulation module 12 is by controlling the flicker of LDE lamps 13 to send optical signal；Optical Receivers 21 receives optical signal, and will
The optical signal is reduced into the corresponding position encoded information of LED for sending optical signal；Optical Receivers 21 is by the institute received
Rheme puts coding information and is sent to client 23 by wireless communication module 22.It is preferred that, wireless communication module 22 is bluetooth mould
Block, by using the mode of Bluetooth communication；Client 23 is specifically included to be built-in with the mobile communication terminal of location navigation software,
Such as smart mobile phone, smart mobile phone passes through the positioning built in smart mobile phone by Blue-tooth communication method receiving position coding information
Navigation software obtains customer position information after being decoded to position coding information, realizes the function of location navigation.The present embodiment
By this it will be seen that optical communication technique and indoor navigation location technology are mused together, using the being widely present property of LED, with
Solve electromagnetic interference problem present in existing indoor navigation technology.
The indoor parking navigation system and method based on visible light communication technology that the embodiment provided in the present invention is provided,
By this it will be seen that optical communication technique and indoor navigation location technology are mused together, using the being widely present property of LED, with
Solve electromagnetic interference problem present in existing indoor navigation technology.
Any technical scheme disclosed in the invention described above unless otherwise stated, if it discloses number range, then
Disclosed number range is preferred number range, it is any it should be appreciated by those skilled in the art：It is preferred that number range
The only obvious or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, it is impossible to
Exhaustion, so just open component values of the invention are to illustrate technical scheme, also, the above-mentioned numerical value enumerated is not
The limitation to the invention protection domain should be constituted.
If the word such as " first ", " second " is used herein come if limiting parts, those skilled in the art should
This knows：" first ", the use of " second " are intended merely to facilitate in description and parts distinguished such as no Stated otherwise
Outside, above-mentioned word does not have special implication.
In addition, being used for applied in any technical scheme disclosed in the invention described above represents the art of position relationship or shape
Its implication includes approximate with its, similar or close state or shape to language unless otherwise stated.Any part that the present invention is provided
Both can be to be assembled by multiple single parts, or the separate part that integrally formed technique is manufactured.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
The embodiment of the present invention can be modified or equivalent substitution is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical scheme, it all should cover among claimed technical scheme scope of the invention.
Claims (10)
1. a kind of indoor parking Position Fixing Navigation System based on visible light communication technology, it is characterised in that including：LED end and
Terminal, the LED end includes microcontroller, modulation module and LED, and the microcontroller connects the modulation module, institute
State modulation module and connect the LDE lamps, wherein, the microcontroller is used to store the corresponding position encoded information of LED, and will
The position encoded information is sent to the modulation module, and the modulation module is used to control the LED transmitting optical signal；Institute
Stating terminal includes Optical Receivers, wireless communication module, client, and the Optical Receivers connects with the wireless communication module
Connect, the wireless communication module is connected with the client, the Optical Receivers is used for the lamp letter for receiving the LED transmitting
Number, and the optical signal is reduced into position encoded information is sent to wireless communication module, the wireless communication module will be received
To position encoded information decoded and sent to client, to obtain navigation information.
2. parking Position Fixing Navigation System in interior as claimed in claim 1, it is characterised in that the LED at least two, peace
Mounted in the lighting apparatus of indoor known location, each LED, which is used, uses independent integrated circuit, by control system of switching on or off electricity,
Send unique passage of scintillation light, the unique position encoded information of correspondence.
3. interior parking Position Fixing Navigation System as claimed in claim 1, it is characterised in that the modulation module using OOK,
PPM or VPPM modulation systems.
4. parking Position Fixing Navigation System in interior as claimed in claim 1, it is characterised in that the modulation module is controlled by switching
Key control LED launches optical signal.
5. parking Position Fixing Navigation System in interior as claimed in claim 1, it is characterised in that the position encoded information is process
The binary data of Manchester's code.
6. parking Position Fixing Navigation System in interior as claimed in claim 1, it is characterised in that wireless communication module is specially bluetooth
Communication module.
7. parking Position Fixing Navigation System in interior as claimed in claim 1, it is characterised in that the client is to be built-in with positioning
The mobile communication terminal of navigation software, mobile communication terminal receives the position encoded information that the wireless communication module is sent, and leads to
Cross built-in location navigation software to be decoded, with acquisition navigation information.
8. a kind of indoor parking positioning navigation method based on visible light communication technology, is determined using above-mentioned Position Fixing Navigation System
Position navigation, it is characterised in that including：
Independent integrated circuit is set for each LED, and unique passage of scintillation light is sent, with right by control system of switching on or off electricity LED
Should unique position encoded information；
Modulation module sends optical signal by controlling LDE lamps to flash,；
Optical Receivers receives optical signal, and the optical signal is reduced into send optical signal LED it is corresponding position encoded
Information；
The position encoded information received is sent to client by Optical Receivers by wireless communication module.
9. interior parking positioning navigation method as claimed in claim 8, it is characterised in that the modulation module using OOK,
The control LED flicker of PPM or VPPM modulation systems sends optical signal.
10. parking positioning navigation method in interior as claimed in claim 8, it is characterised in that the wireless communication module is specific
For bluetooth module.
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| CN107831469A (en) * | 2017-10-26 | 2018-03-23 | 张斌 | Optical signal positioner, method and system |
| CN108303676A (en) * | 2018-01-31 | 2018-07-20 | 张斌 | Optical signal positioning device, method and system |
| CN108363052A (en) * | 2018-05-22 | 2018-08-03 | 广东工业大学 | A kind of indoor locating system and method based on visible light communication |
| CN108460986A (en) * | 2018-03-20 | 2018-08-28 | 深圳市日锋电子有限公司 | Garage lights light-seeking automated navigation system |
| CN109245822A (en) * | 2018-07-09 | 2019-01-18 | 广东工业大学 | A kind of warehouse smart tray light sensation recognition methods |
| CN109756264A (en) * | 2017-11-03 | 2019-05-14 | 天津职业技术师范大学 | A kind of indoor visible light communication system based on great power LED |
| CN110361007A (en) * | 2019-07-03 | 2019-10-22 | 深圳市庚明光电科技有限公司 | Indoor orientation method based on visible light communication technology |
| CN110873861A (en) * | 2018-09-03 | 2020-03-10 | 中国移动通信集团设计院有限公司 | Indoor navigation method and device |
| CN112147569A (en) * | 2019-06-28 | 2020-12-29 | Oppo广东移动通信有限公司 | Vehicle positioning method and device and vehicle positioning system |
| CN112648996A (en) * | 2019-10-12 | 2021-04-13 | 广州华工弈高科技有限公司 | Indoor positioning navigation method based on visible light communication technology |
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| CN107831469A (en) * | 2017-10-26 | 2018-03-23 | 张斌 | Optical signal positioner, method and system |
| CN109756264A (en) * | 2017-11-03 | 2019-05-14 | 天津职业技术师范大学 | A kind of indoor visible light communication system based on great power LED |
| CN108303676A (en) * | 2018-01-31 | 2018-07-20 | 张斌 | Optical signal positioning device, method and system |
| CN108460986A (en) * | 2018-03-20 | 2018-08-28 | 深圳市日锋电子有限公司 | Garage lights light-seeking automated navigation system |
| CN108363052A (en) * | 2018-05-22 | 2018-08-03 | 广东工业大学 | A kind of indoor locating system and method based on visible light communication |
| CN109245822A (en) * | 2018-07-09 | 2019-01-18 | 广东工业大学 | A kind of warehouse smart tray light sensation recognition methods |
| CN110873861A (en) * | 2018-09-03 | 2020-03-10 | 中国移动通信集团设计院有限公司 | Indoor navigation method and device |
| CN112147569A (en) * | 2019-06-28 | 2020-12-29 | Oppo广东移动通信有限公司 | Vehicle positioning method and device and vehicle positioning system |
| CN110361007A (en) * | 2019-07-03 | 2019-10-22 | 深圳市庚明光电科技有限公司 | Indoor orientation method based on visible light communication technology |
| CN112648996A (en) * | 2019-10-12 | 2021-04-13 | 广州华工弈高科技有限公司 | Indoor positioning navigation method based on visible light communication technology |
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Application publication date: 20170929 |