CN106027148A - Visible light communication system and method - Google Patents
Visible light communication system and method Download PDFInfo
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- CN106027148A CN106027148A CN201610339531.2A CN201610339531A CN106027148A CN 106027148 A CN106027148 A CN 106027148A CN 201610339531 A CN201610339531 A CN 201610339531A CN 106027148 A CN106027148 A CN 106027148A
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- 238000004891 communication Methods 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000003287 optical effect Effects 0.000 claims description 43
- 239000013307 optical fiber Substances 0.000 claims description 8
- 238000005286 illumination Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 239000000835 fiber Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- 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
-
- 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
- H04B10/1149—Arrangements for indoor wireless networking of information
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Optical Communication System (AREA)
Abstract
The invention provides a visible light communication system and method. The visible light communication system comprises a visible light illuminating device, a visible light receiving device, and a wireless communication device, wherein the visible light illuminating device is used for receiving a downlink signal sent by a network server, converting the downlink signal sent by the network server into a visible light signal, transmitting the visible light signal, receiving an uplink signal which is sent by a terminal device and forwarded by the visible light receiving device, and sending the uplink signal sent by the terminal device to the network server; the visible light receiving device is used for receiving the visible light signal, converting the visible light signal into an electrical signal, sending the electrical signal to the wireless communication device, receiving the uplink signal sent by the terminal device, and forwarding the uplink signal sent by the terminal device to the visible light illuminating device; the wireless communication device is used for receiving the electrical signal, converting the electrical signal into a wireless signal, and transmitting the wireless signal. The system and method provided by the invention have the advantage that indoor wiring is simplified.
Description
Technical field
The application relates to the communications field, particularly to a kind of visible light communication system and method.
Background technology
Nowadays, in order to meet user's use demand to network, each place (as family, market,
Restaurant etc.) all offer wireless network.
But, offer wireless network and need nonetheless remain for offering in indoor cable interface, access netting twine, cause
House wiring is complicated.
Summary of the invention
For solving above-mentioned technical problem, the embodiment of the present application provides a kind of visible light communication system and method,
To reach to simplify the purpose of house wiring, technical scheme is as follows:
A kind of visible light communication system, including: visible light illuminator, visible optical pickup apparatus and wireless
Communicator；
Described visible light illuminator is connected with the webserver by netting twine；
Described visible light illuminator, for receiving the downstream signal that the described webserver sends, by institute
The downstream signal stating webserver transmission is converted to visible light signal, and launches described visible light signal,
And receive the upward signal that the terminal unit that described visible optical pickup apparatus forwarded sends, by described end
The upward signal that end equipment sends sends to the described webserver；
Described visible optical pickup apparatus, is used for receiving described visible light signal, and by described visible light signal
Be converted to the signal of telecommunication, send the described signal of telecommunication to described radio communication device, and receive described terminal and set
The upward signal that preparation is sent, is forwarded to described visible illumination by the upward signal that described terminal unit sends
Device；
Described radio communication device, is used for receiving the described signal of telecommunication, and is converted to wireless by the described signal of telecommunication
Signal, and launch described wireless signal, so that described terminal unit receives described wireless signal.
Preferably, described visible light illuminator includes: drive circuit, LED lamp and
Infrared receiving module；
Described drive circuit, for receiving the downstream signal that the described webserver sends, by described network
The downstream signal that server sends is converted to visible light signal；
Described LED, is used for launching described visible light signal；
Described infrared receiving module, the terminal unit forwarded for receiving described visible optical pickup apparatus is sent out
The upward signal sent, the upward signal sent by described terminal unit by netting twine is sent to described network clothes
Business device.
Preferably, described visible optical pickup apparatus includes: photodetector, reception circuit and infrared transmission
Module；
Described photodetector, is used for receiving described visible light signal；
Described reception circuit, for described visible light signal is converted to the signal of telecommunication, sends the described signal of telecommunication
To described radio communication device；
Described infrared sending module, for receiving the upward signal that described terminal unit sends, by described end
The upward signal that end equipment sends is forwarded to described infrared receiving module.
Preferably, described radio communication device includes router and wireless network manager；
Described router, is used for receiving the described signal of telecommunication, and the described signal of telecommunication is converted to wireless signal,
And launch described wireless signal；
Described wireless network manager, for carrying out fault management, performance management, peace to described router
Entirely manage and control described router and launch the power of wireless signal.
Preferably, described netting twine is optical fiber；
Described visible light communication system also includes: optical modem；
One end of described optical modem is connected with described visible light illuminator, and described light modulation demodulates
The other end of device is connected with the described webserver by netting twine；
Described optical modem, is demodulated for the downstream signal sending the described webserver,
Downstream signal after demodulation is sent to described visible light illuminator, and described terminal unit is sent
Upward signal be modulated, the upward signal after modulation is sent to the described webserver.
A kind of visible light communication method, based on visible light communication system, described visible light communication system includes:
Visible light illuminator, visible optical pickup apparatus and radio communication device, described visible light illuminator is led to
Cross netting twine to be connected with the webserver；
Described visible light illuminator receives the downstream signal that the described webserver sends, and by described net
The downstream signal that network server sends is converted to visible light signal；
Described visible light illuminator launches described visible light signal；
Described visible optical pickup apparatus receives described visible light signal, and is converted to by described visible light signal
The signal of telecommunication, sends the described signal of telecommunication to described radio communication device；
Described radio communication device receives the described signal of telecommunication, and the described signal of telecommunication is converted to wireless signal,
And launch described wireless signal；
Described visible optical pickup apparatus receives the upward signal that described terminal unit sends, and described terminal is set
The upward signal that preparation is sent sends to described visible light illuminator；
Described visible light illuminator receives the upward signal that described terminal unit sends, and described terminal is set
The upward signal that preparation is sent sends to the described webserver.
Preferably, described visible light illuminator receives the downstream signal that the described webserver sends, and
The downstream signal that the described webserver sends is converted to the process of visible light signal, including:
It is descending that the described webserver is sent by described visible light illuminator reception optical modem
Signal, the downstream signal after being demodulated, and the described webserver is sent out by described optical modem
The downstream signal sent, the downstream signal after being demodulated is converted to visible light signal.
Preferably, the upward signal sent by described terminal unit sends the mistake to the described webserver
Journey, including:
The upward signal sent by described terminal unit sends to optical modem, so that light modulation demodulation
The upward signal that described terminal unit is sent by device is modulated, and is sent extremely by the upward signal after modulation
The described webserver.
Compared with prior art, the having the beneficial effect that of the application
In this application, netting twine can directly be connected with visible light illuminator, by netting twine and visible ray
The electric wire that illuminator connects is laid in together, it is not necessary to additionally carries out netting twine laying, simplifies room
Interior wiring.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present application, embodiment will be described below
The accompanying drawing used required in is briefly described, it should be apparent that, the accompanying drawing in describing below is only
It is only some embodiments of the application, for those of ordinary skill in the art, is not paying wound
On the premise of the property made is laborious, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of logical structure schematic diagram of the visible light communication system that the application provides；
Fig. 2 is the another kind of logical structure schematic diagram of the visible light communication system that the application provides；
Fig. 3 is a kind of logical structure schematic diagram of the visible light illuminator that the application provides；
Fig. 4 is a kind of logical structure schematic diagram of the visible optical pickup apparatus that the application provides；
Fig. 5 is a kind of logical structure schematic diagram of the radio communication device that the application provides；
Fig. 6 is a kind of flow chart of the visible light communication method that the application provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present application, to the technical scheme in the embodiment of the present application
It is clearly and completely described, it is clear that described embodiment is only that the application part is real
Execute example rather than whole embodiments.Based on the embodiment in the application, ordinary skill
The every other embodiment that personnel are obtained under not making creative work premise, broadly falls into this
The scope of application protection.
Embodiment one
Refer to Fig. 1, it illustrates a kind of logical structure of the visible light communication system that the application provides
Schematic diagram, it is seen that optical communication system includes: visible light illuminator 11, visible optical pickup apparatus 12
With radio communication device 13.
Visible light illuminator 11 is connected with the webserver by netting twine.
Visible light illuminator 11, for receiving the downstream signal that the described webserver sends, by described
The downstream signal that the webserver sends is converted to visible light signal, and launches described visible light signal, with
And the upward signal that receiving terminal apparatus sends, the upward signal sent by described terminal unit sends to institute
State the webserver.
Visible optical pickup apparatus 12, is used for receiving described visible light signal, and is turned by described visible light signal
It is changed to the signal of telecommunication, sends the described signal of telecommunication to described radio communication device 13, and receive described terminal and set
The upward signal that preparation is sent, the upward signal sent by described terminal unit sends to described visible illumination
Device 11；
Radio communication device 13, is used for receiving the described signal of telecommunication, and the described signal of telecommunication is converted to wireless communication
Number, and launch described wireless signal, so that described terminal unit receives described wireless signal.
In the present embodiment, it will be seen that optical signal is converted to wireless signal, wireless signal is sent extremely
Terminal unit, it is achieved the reason of the communication between the webserver and terminal unit is existing end
End equipment does not the most support that the embedded of visible ray chip, the most existing terminal unit can not receive visible ray
Signal, it will be seen that optical signal is converted to the signal of telecommunication that can identify.Further, if directly being set by terminal
Standby reception visible light signal, it is achieved the communication between the webserver and terminal unit, then to visible ray
The angle of radiation of illuminator 11 and the alignment status requirement of terminal unit are higher, and are unfavorable for terminal
The stabilized communication of equipment.Therefore, in the present embodiment, it will be seen that optical signal is converted to wireless signal, by nothing
Line signal sends to terminal unit, can make the communication that terminal unit is more stable.
In the present embodiment, above-mentioned netting twine is specifically as follows optical fiber.Owing to the message capacity of optical fiber is big,
It is lost low and security performance good, therefore can improve traffic rate and the communications security of terminal unit.
And when netting twine is optical fiber, it is achieved that fiber optic communication and the joint communication of visible light communication, fiber optic communication
Both high-rate information transmission characteristics will be made full use of, when meeting information-based with visible light communication joint communication
The generation demand to high speed information transmission.
When netting twine is optical fiber, it is seen that optical communication system also includes: optical modem 14, such as Fig. 2
Shown in.
One end of described optical modem 14 is connected with described visible light illuminator 11, and described light is adjusted
The other end of modulator-demodulator 14 is connected with the described webserver by netting twine.
Described optical modem 14, solves for the downstream signal sending the described webserver
Adjust, the downstream signal after demodulation is sent to described visible light illuminator 11, and described terminal is set
The upward signal that preparation is sent is modulated, and sends the upward signal after modulation to the described webserver.
In the present embodiment, it is seen that the concrete structure of illuminating apparatus 11 refers to Fig. 3, it is seen that illumination
Bright device 11 includes: drive circuit 31, LED (light emitting diode, Light Emitting Diode) lamp 32
With infrared receiving module 33.
Drive circuit 31, for receiving the downstream signal that the described webserver sends, takes described network
The downstream signal that business device sends is converted to visible light signal.
Described LED 32, is used for launching described visible light signal.
Described infrared receiving module 33, for receiving the terminal that described visible optical pickup apparatus 12 is forwarded
The upward signal that equipment sends, the upward signal sent by described terminal unit by netting twine is sent to described
The webserver.
In above-mentioned visible light communication system, it is seen that the concrete structure of optical pickup apparatus 12 refers to Fig. 4,
Visible optical pickup apparatus 12 includes: photodetector 41, reception circuit 42 and infrared sending module 43.
Described photodetector 41, is used for receiving described visible light signal.
Described reception circuit 42, for described visible light signal is converted to the signal of telecommunication, sends described telecommunications
Number to described radio communication device 13.
Described infrared sending module 43, for receiving the upward signal that described terminal unit sends, by described
The upward signal that terminal unit sends is forwarded to described infrared receiving module 33.
In the present embodiment, the upward signal flow sent due to terminal unit is little, to required communication rate
The highest, therefore use infrared sending module 43 and infrared receiving module 33, it is achieved terminal unit sends
The transmission of upward signal, it is to avoid cause the waste of communication channel bandwidth when using other communication modes.
In above-mentioned visible light communication system, the concrete structure of radio communication device 13 refers to Fig. 5,
Radio communication device 13 includes: router 51 and wireless network manager 52.
Router 51, is used for receiving the described signal of telecommunication, and the described signal of telecommunication is converted to wireless signal, and
Launch described wireless signal.
Wireless network manager 52, for described router 51 carried out fault management, performance management,
Safety management and the described router 51 of control launch the power of wireless signal.
In the present embodiment, wireless network manager 52 is by reasonably controlling described router 51
Penetrate the power of wireless signal, make the overlay area of the wireless signal that router 51 launches not interfere with each other, from
And improve the channel capacity of unique user.
Embodiment two
In the present embodiment, it is provided that a kind of visible light communication method, based on visible light communication system,
Described visible light communication system includes: visible light illuminator, visible optical pickup apparatus and radio communication dress
Putting, described visible light illuminator is connected with the webserver by netting twine.
Refer to Fig. 6, it illustrates a kind of flow chart of the visible light communication method that the application provides, can
To comprise the following steps:
Step S61: visible light illuminator receives the downstream signal that the described webserver sends, and will
The downstream signal that the described webserver sends is converted to visible light signal.
In the present embodiment, when above-mentioned netting twine is optical fiber, it is seen that illuminating apparatus receives described network clothes
The downstream signal that business device sends, and the downstream signal that the described webserver sends is converted to visible ray letter
Number process, particularly as follows:
Visible light illuminator receives the downstream signal that the described webserver is sent by optical modem,
Downstream signal after being demodulated, and the described webserver is sent down by described optical modem
Row signal, the downstream signal after being demodulated is converted to visible light signal.
Step S62: visible light illuminator launches described visible light signal.
Step S63: visible optical pickup apparatus receives described visible light signal, and by described visible light signal
Be converted to the signal of telecommunication, send the described signal of telecommunication to described radio communication device.
Step S64: radio communication device receives the described signal of telecommunication, and is converted to wireless by the described signal of telecommunication
Signal, and launch described wireless signal.
Step S65: visible optical pickup apparatus receives the upward signal that described terminal unit sends, by described
The upward signal that terminal unit sends sends to described visible light illuminator.
Step S66: visible light illuminator receives the upward signal that described terminal unit sends, by described
The upward signal that terminal unit sends sends to the described webserver.
In the present embodiment, when above-mentioned netting twine is optical fiber, the up letter that described terminal unit is sent
Number send to the process of the described webserver, particularly as follows: the upward signal that described terminal unit is sent
Send to optical modem, so that the upward signal that described terminal unit is sent by optical modem enters
Row modulation, and the upward signal after modulation is sent to the described webserver.
It should be noted that each embodiment in this specification all uses the mode gone forward one by one to describe,
What each embodiment stressed is the difference with other embodiments, between each embodiment
Identical similar part sees mutually.For device class embodiment, due to itself and method
Embodiment basic simlarity, so describe is fairly simple, relevant part sees the portion of embodiment of the method
Defend oneself bright.
Finally, in addition it is also necessary to explanation, in this article, the relation of such as first and second or the like
Term is used merely to separate an entity or operation with another entity or operating space, and not
Necessarily require or imply and there is the relation of any this reality or suitable between these entities or operation
Sequence.And, term " includes ", " comprising " or its any other variant are intended to nonexcludability
Comprise, so that include that the process of a series of key element, method, article or equipment not only include
Those key elements, but also include other key elements being not expressly set out, or also include for this
The key element that process, method, article or equipment are intrinsic.In the case of there is no more restriction,
The key element limited by statement " including ... ", it is not excluded that including the process of described key element, side
Method, article or equipment there is also other identical element.
Above a kind of visible light communication system provided herein and method are described in detail,
Principle and the embodiment of the application are set forth by specific case used herein, above reality
Execute the explanation of example to be only intended to help and understand the present processes and core concept thereof；Simultaneously for
One of ordinary skill in the art, according to the thought of the application, at detailed description of the invention and application model
Placing and all will change, in sum, this specification content should not be construed as the application's
Limit.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610339531.2A CN106027148A (en) | 2016-05-20 | 2016-05-20 | Visible light communication system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610339531.2A CN106027148A (en) | 2016-05-20 | 2016-05-20 | Visible light communication system and method |
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| CN106487449A (en) * | 2016-10-17 | 2017-03-08 | 深圳市先通网信息科技有限公司 | A kind of optic communication digital handset and its signal intensity display system, method |
| CN106850063A (en) * | 2017-02-15 | 2017-06-13 | 深圳前沿通信技术开发有限公司 | Information transferring method, apparatus and system based on visible light communication |
| CN107196702A (en) * | 2017-04-19 | 2017-09-22 | 安徽大学 | A kind of new light wireless communication intelligence system |
| CN107508634A (en) * | 2017-08-21 | 2017-12-22 | 浙江六联照明科技有限公司 | Visible light communication system and its method |
| CN107911166A (en) * | 2017-11-14 | 2018-04-13 | 山东大学 | A kind of visible ray/radio frequency mixing collaboration communication method based on wireless energy harvesting with non-orthogonal multiple |
| CN108282228A (en) * | 2018-01-12 | 2018-07-13 | 西安电子科技大学 | Multizone dual controller layered network architecture based on indoor visible light communication |
| CN114079506A (en) * | 2020-08-17 | 2022-02-22 | 中国电信股份有限公司 | Network access device and method for terminal to access network and storage medium |
| CN118138132A (en) * | 2024-03-18 | 2024-06-04 | 非凡士智能科技(苏州)有限公司 | System and method for performing visible light communication based on intelligent lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106487449A (en) * | 2016-10-17 | 2017-03-08 | 深圳市先通网信息科技有限公司 | A kind of optic communication digital handset and its signal intensity display system, method |
| CN106487449B (en) * | 2016-10-17 | 2019-02-26 | 深圳市先通网信息科技有限公司 | A kind of optic communication digital walkie-talkie and its signal strength display system, method |
| CN106850063A (en) * | 2017-02-15 | 2017-06-13 | 深圳前沿通信技术开发有限公司 | Information transferring method, apparatus and system based on visible light communication |
| CN107196702A (en) * | 2017-04-19 | 2017-09-22 | 安徽大学 | A kind of new light wireless communication intelligence system |
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| CN107508634A (en) * | 2017-08-21 | 2017-12-22 | 浙江六联照明科技有限公司 | Visible light communication system and its method |
| CN107911166A (en) * | 2017-11-14 | 2018-04-13 | 山东大学 | A kind of visible ray/radio frequency mixing collaboration communication method based on wireless energy harvesting with non-orthogonal multiple |
| CN108282228A (en) * | 2018-01-12 | 2018-07-13 | 西安电子科技大学 | Multizone dual controller layered network architecture based on indoor visible light communication |
| CN114079506A (en) * | 2020-08-17 | 2022-02-22 | 中国电信股份有限公司 | Network access device and method for terminal to access network and storage medium |
| CN118138132A (en) * | 2024-03-18 | 2024-06-04 | 非凡士智能科技(苏州)有限公司 | System and method for performing visible light communication based on intelligent lamp |
| CN118138132B (en) * | 2024-03-18 | 2025-07-11 | 非凡士智能科技(苏州)有限公司 | System and method for performing visible light communication based on intelligent lamp |
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Application publication date: 20161012 |