CN103812561A - Transmission device based on LiFi lamplight and two-dimensional code, and communication method - Google Patents
Transmission device based on LiFi lamplight and two-dimensional code, and communication method Download PDFInfo
- Publication number
- CN103812561A CN103812561A CN201410068100.8A CN201410068100A CN103812561A CN 103812561 A CN103812561 A CN 103812561A CN 201410068100 A CN201410068100 A CN 201410068100A CN 103812561 A CN103812561 A CN 103812561A
- Authority
- CN
- China
- Prior art keywords
- module
- quick response
- response code
- sending module
- device based
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 39
- 238000004891 communication Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000004044 response Effects 0.000 claims abstract description 50
- 238000001914 filtration Methods 0.000 claims description 10
- 230000003321 amplification Effects 0.000 claims description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 239000000523 sample Substances 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000012795 verification Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004313 glare Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
Images
Landscapes
- Optical Communication System (AREA)
Abstract
The invention discloses a transmission device based on a LiFi lamplight and a two-dimensional code, which belongs to the technical field of computer communication. The transmission device comprises a sending module and a two-dimensional code scanning module which are communicated with a sending host respectively, and a receiving module and a two-dimensional code display screen which are communicated with a receiving host respectively, wherein the sending module is physically isolated from the receiving module, and an LED lamp in the sending module is aligned with a photomultiplier in the receiving module; the two-dimensional code display screen is located in the view-finding range of the two-dimensional code scanning module. According to the transmission device disclosed by the invention, verification during a data transmission process is realized by a two-dimensional system, thus improving the reliability and efficiency of data transmission; the LiFi lamplight is used for transmitting data and the two-dimensional system is used for transmitting an ACK response signal, thus realizing uplink and downlink differentiated communication and ensuring transmission speed. The invention further provides a communication method for the transmission device based on the LiFi lamplight and the two-dimensional code, wherein communication is carried out between the sending module and the receiving module which are physically connected, thus guaranteeing the communication safety.
Description
Technical field
The present invention relates to a kind of net internetwork transfer apparatus and communication means, is specifically a kind of transmitting device and communication means based on LiFi light and Quick Response Code, belongs to computer communication technology field.
Background technology
Computer network communication has now become the basic tool of information interchange between world's all trades and professions, but existing communication network and communications equipment is to be all mostly that communication protocol based on traditional completes, and be all based upon on the basis of traditional physical link, communication security can not get effective assurance, cannot meet the communication requirement of the secret unit such as army, state security department.
On January 11st, 2013, Chinese invention patent application CN103067405A discloses a kind of inter-network safe transmission method and device thereof, it becomes Quick Response Code figure to output to display screen the data transaction of needs transmission after by data processor disposal data information, by probe every sky scanning Quick Response Code figure reading character string, be transferred to another separate network after data processor conversion.But the information capacity by Quick Response Code single transmission is limited, and transmission speed is relatively slow, cannot realize data inter-network fast transport; In addition this apparatus structure complexity,
Li-Fi (Light Fidelity) is a kind of brand-new wireless data transmission technology, it is a kind of technology of utilizing the light transmission data that light source sends, its fast open by LED light source, light switch, or strong, weak switching, realize binary coding and transmission to information, existing to realize unidirectional, the quick and safe transmission of data between inter-network.
The present invention be directed to the improvement to a kind of secure transmission system based on LiFi light and Quick Response Code of formerly application for a patent for invention of the applicant, because it cannot carry out real-time verification to data, cause that transmission error rates is high, efficiency of transmission is relatively low in data transmission procedure.
Summary of the invention
Technical problem to be solved by this invention is to overcome the defect of prior art, and a kind of transmission error rates is low, transmission speed is fast, transmitting procedure the is safe transmitting device based on LiFi light and Quick Response Code and communication means are provided.
In order to solve the problems of the technologies described above, the invention provides a kind of transmitting device based on LiFi light and Quick Response Code, comprise sending module, Quick Response Code scan module and the receiver module being communicated with Receiving Host respectively, the Quick Response Code display screen that are communicated with transmission main frame respectively; Sending module and receiver module physical isolation, the LED lamp in sending module is aimed at the photomultiplier in receiver module; Quick Response Code display location is in Quick Response Code scan module viewfinder range.
In the present invention, sending module is processed code modulation module, light drive circuit and LED lamp by the data-interface connecting successively, signal and is formed;
In the present invention, receiver module processes synchronous demodulation module by the photomultiplier connecting successively, bandpass optical filter, the main amplification module of filtering, signal and data-interface forms.
In order to guarantee reliable and stable transmission and the reception of light signal, the LED lamp of sending module and the photomultiplier of receiver module are arranged on same straight line.
For reducing the interference of veiling glare in signals transmission, the LED of sending module and the photomultiplier of receiver module are arranged in the casing of same sealing shading.
The present invention also provides a kind of communication means of the transmitting device based on LiFi light and Quick Response Code, comprises the following steps:
1), send main frame and transfer to after treatment receiver module by transferring to sending module after data encoding;
2), receiver module reduces the information receiving after processing and sends to Receiving Host decoding;
3), as receive data correct, Receiving Host is encoded into Quick Response Code by ACK answer signal and transfers to Quick Response Code display screen;
4), Quick Response Code probe is transferred to the Quick Response Code scanning to send main frame decoding, send main frame and receive that the follow-up supervention of ACK answer signal gives next data; If send the overtime ACK answer signal of confiscating of main frame, retransmit.
Of the present invention producing effect is: (1), the present invention realize real-time verification in data transmission procedure by 2 D code system, have improved data transmission credibility and efficiency of transmission; (2), LiFi light transmission data, 2 D code system transferring ACK answer signal in the present invention, carry out the communication of up-downgoing differentiation, guaranteed transmission rate; (3), transceiver module is transparent without any physical connection, device interface in apparatus of the present invention, has guaranteed communication security.
Accompanying drawing explanation
Fig. 1 is the transmitting device overall structure figure that the present invention is based on LiFi light and Quick Response Code;
Fig. 2 is the sending module theory diagram in transmitting device of the present invention;
Fig. 3 is the receiver module theory diagram in transmitting device of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is elaborated.
As shown in Figure 1, transmitting device based on LiFi light and Quick Response Code of the present invention, comprise and send main frame 1, Receiving Host 2, sending module 3, receiver module 4, Quick Response Code scan module 5, Quick Response Code display screen 6, wherein sending module 3, Quick Response Code scan module 5 and transmission main frame 1 are connected, and receiver module 4, Quick Response Code display screen 6 are connected with Receiving Host 2.Sending module 1 arranges in opposite directions with receiver module 2, physical isolation between sending module 1 and receiver module 2, and the LED lamp in sending module 3 is aimed at the photomultiplier in receiver module 4; Quick Response Code display screen 6 is positioned at Quick Response Code scan module 5 viewfinder ranges.The bandpass optical filter of the LED of sending module 3 and receiver module 4 is arranged in the casing 7 of same sealing shading, to reduce the interference of veiling glare in signals transmission.The bandpass optical filter of the LED of sending module 3 and receiver module 4 arranges in opposite directions, and in order to guarantee reliable and stable transmission and the reception of light signal, LED and bandpass optical filter should arrange on same straight line.
As shown in Figure 2, sending module 3 is processed code modulation module, light drive circuit and LED and is connected to form successively by data-interface, signal.Wherein, data-interface is for the transmission data of receiving end/sending end 3; Signal is processed code modulation module data-interface is transmitted data by the Changing Pattern change carrier parameter of baseband signal, and low frequency signal is modulated into high-frequency signal; The high-frequency signal collecting is converted to light signal by light drive circuit, and amplify, filtering and removal noise; LED transmits processing through light drive circuit the light signal amplifying by fast blink.
As shown in Figure 3, receiver module 4 is connected to form successively by photomultiplier (PMT), bandpass optical filter (agc circuit), the main amplification module of filtering, signal processing synchronous demodulation module and data-interface.Wherein, the light signal that photomultiplier sends for receiving the LED of sending module 1, carries out count detection to light signal; The light of other wavelength of light signal that bandpass optical filter receives for filtering photomultiplier only, through the light of required wave-length coverage, carries out opto-electronic conversion by light signal simultaneously; The main amplification module of filtering for to change rear signals transmission produce noise suppress and prevent disturb; Signal is processed synchronous demodulation circuit and is used for the signal restoring signal waveform the demodulation that receive; Data-interface is for being sent to receiving terminal by data.
Data-interface in above-mentioned sending module 3, receiver module 4 is network interface card.
The present invention is based on the communication means of the transmitting device of LiFi light and Quick Response Code, its step is as follows:
1), will send main frame 1 is connected with netting twine respectively with sending module 3, Receiving Host 2 and receiver module 4, and be configured in the same network segment with the IP of sending module 3 sending main frame 1, Receiving Host 2 is configured in the same network segment with the IP of receiver module 4, the LED lamp of sending module 3 is aimed to the photomultiplier of receiver module 4; Quick Response Code scan module 5 is connected with transmission main frame 1 by serial ports, and Quick Response Code scanning screen 6 is connected with Receiving Host 2, and Quick Response Code scan module 5 is aimed at Quick Response Code display screen 6.
2), send main frame 1 by data to be sent add head portion, afterbody, verification etc. rule encoding, then data are transferred to signal by the data-interface of sending module 3 and process code modulation module, signal is processed code modulation module and transmission is carried out to data is changed carrier parameter by the Changing Pattern of modulation signal (baseband signal), is transferred to light drive circuit after low frequency signal is modulated into high-frequency signal; Light drive circuit carries out electric light conversion, amplification and filtering processing to collecting high-frequency signal, and pin down the means such as amplification and suppress the external interference such as electromagnetic induction and electrostatic induction by taking to lock amplification, signal averaging, adaptive noise cancellation, low noise, reduce thermal noise, Johnson noise, low-frequency noise, put the noises such as atmospheric noise, improve Signal-to-Noise; The light signal of processing through light drive circuit is transferred on receiver module 4 by LED and via airspace again.
3) light signal that the photomultiplier, on receiver module 4 sends the LED of sending module 3 receives and count detection, and its counting intensity is directly proportional to the instantaneous power of receiving; The light of other wavelength in the composite optical signal that bandpass optical filter filtering photomultiplier receives, sees through the light of required wave-length coverage, light signal is carried out to be transferred to the main amplification module of filtering after opto-electronic conversion simultaneously and carries out noise suppressed friendship and eliminate other interference; Signal is processed synchronous demodulation circuit to the signal restoring signal waveform that main filtering receiving amplification module was processed, carry out being transferred to Receiving Host 2 through sending module 4 data-interfaces after demodulation, Receiving Host 2 is received to decode after signal and is removed the head, afterbody, verification etc. of signal, extracts and obtain valid data.
4), Receiving Host 2 receives to correct data, ACK answer signal is encoded into Quick Response Code and transfers on Quick Response Code display screen 6; As incorrect in decoded data, stop sending ACK answer signal.
5), Quick Response Code probe 5 scans to be transferred to after the Quick Response Code on Quick Response Code display screen 6 and sends main frame 1 decoding and carry out, decoding obtains the follow-up supervention of ACK answer signal and gives next data; If the overtime ACK of the sending answer signal of Receiving Host 2 or the overtime ACK answer signal of confiscating of transmission main frame 1, carry out and resend data, until receive ACK answer signal.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, can also make under the premise without departing from the principles of the invention some improvement, and these improve and also should be considered as protection scope of the present invention.
Claims (6)
1. the transmitting device based on LiFi light and Quick Response Code, is characterized in that: comprise sending module, Quick Response Code scan module and the receiver module being communicated with Receiving Host respectively, the Quick Response Code display screen that are communicated with transmission main frame respectively; Described sending module and receiver module physical isolation, the LED lamp in described sending module is aimed at the photomultiplier in receiver module; Described Quick Response Code display location is in Quick Response Code scan module viewfinder range.
2. the transmitting device based on LiFi light and Quick Response Code according to claim 1, is characterized in that: described sending module is processed code modulation module, light drive circuit and LED lamp by the data-interface connecting successively, signal and formed.
3. according to the transmitting device based on LiFi light and Quick Response Code described in claim 1 or 2, it is characterized in that: described receiver module processes synchronous demodulation module by the photomultiplier connecting successively, bandpass optical filter, the main amplification module of filtering, signal and data-interface forms.
4. the transmitting device based on LiFi light and Quick Response Code according to claim 3, is characterized in that: the LED lamp of described sending module and the photomultiplier of receiver module are arranged on same straight line.
5. the transmitting device based on LiFi light and Quick Response Code according to claim 4, is characterized in that: the LED of described sending module and the photomultiplier of receiver module are arranged in the casing of same sealing shading.
6. a communication means that utilizes the transmitting device based on LiFi light and Quick Response Code described in claim 1,2,4,5 any one, is characterized in that comprising the following steps:
1), send main frame and transfer to after treatment receiver module by transferring to sending module after data encoding;
2), receiver module reduces the information receiving after processing and sends to Receiving Host decoding;
3), as receive data correct, Receiving Host is encoded into Quick Response Code by ACK answer signal and transfers to Quick Response Code display screen;
4), Quick Response Code probe is transferred to the Quick Response Code scanning to send main frame decoding, send main frame and receive that the follow-up supervention of ACK answer signal gives next data; If send the overtime ACK answer signal of confiscating of main frame, retransmit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410068100.8A CN103812561A (en) | 2014-02-27 | 2014-02-27 | Transmission device based on LiFi lamplight and two-dimensional code, and communication method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410068100.8A CN103812561A (en) | 2014-02-27 | 2014-02-27 | Transmission device based on LiFi lamplight and two-dimensional code, and communication method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103812561A true CN103812561A (en) | 2014-05-21 |
Family
ID=50708825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410068100.8A Pending CN103812561A (en) | 2014-02-27 | 2014-02-27 | Transmission device based on LiFi lamplight and two-dimensional code, and communication method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103812561A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104038284A (en) * | 2014-06-10 | 2014-09-10 | 南京复实通讯科技有限公司 | Visible light communication system and method |
| CN104485995A (en) * | 2014-12-15 | 2015-04-01 | 昆山国显光电有限公司 | Light fidelity access device |
| CN105389148A (en) * | 2015-11-02 | 2016-03-09 | 京东方科技集团股份有限公司 | Data transmitting method, data receiving method, and related device and system |
| CN106059667A (en) * | 2016-08-09 | 2016-10-26 | 浪潮电子信息产业股份有限公司 | A method based on visible light communication and display device thereof |
| CN107944326A (en) * | 2017-12-12 | 2018-04-20 | 来飞光通信有限公司 | Data acquisition method, data processing method and system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040100964A1 (en) * | 2002-11-27 | 2004-05-27 | Robotham Robert E. | System and method for detecting lost messages transmitted between modules in a communication device |
| CN1756100A (en) * | 2004-08-27 | 2006-04-05 | 索尼株式会社 | Radio communication system, radio communication device, and radio communication method |
| CN101953097A (en) * | 2008-02-21 | 2011-01-19 | 三星电子株式会社 | Device and method for transmitting and receiving data using visible light communication |
| CN103442019A (en) * | 2013-09-22 | 2013-12-11 | 南京云创存储科技有限公司 | System for copying data among multidimensional code separation nets |
| CN103490812A (en) * | 2013-09-16 | 2014-01-01 | 北京航空航天大学 | Mobile phone near field communication system and method based on visible light |
| CN203722638U (en) * | 2014-02-27 | 2014-07-16 | 刘鹏 | Transmission device based on LiFi lamplight and two-dimension code |
-
2014
- 2014-02-27 CN CN201410068100.8A patent/CN103812561A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040100964A1 (en) * | 2002-11-27 | 2004-05-27 | Robotham Robert E. | System and method for detecting lost messages transmitted between modules in a communication device |
| CN1756100A (en) * | 2004-08-27 | 2006-04-05 | 索尼株式会社 | Radio communication system, radio communication device, and radio communication method |
| CN101953097A (en) * | 2008-02-21 | 2011-01-19 | 三星电子株式会社 | Device and method for transmitting and receiving data using visible light communication |
| CN103490812A (en) * | 2013-09-16 | 2014-01-01 | 北京航空航天大学 | Mobile phone near field communication system and method based on visible light |
| CN103442019A (en) * | 2013-09-22 | 2013-12-11 | 南京云创存储科技有限公司 | System for copying data among multidimensional code separation nets |
| CN203722638U (en) * | 2014-02-27 | 2014-07-16 | 刘鹏 | Transmission device based on LiFi lamplight and two-dimension code |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104038284A (en) * | 2014-06-10 | 2014-09-10 | 南京复实通讯科技有限公司 | Visible light communication system and method |
| CN104485995A (en) * | 2014-12-15 | 2015-04-01 | 昆山国显光电有限公司 | Light fidelity access device |
| CN105389148A (en) * | 2015-11-02 | 2016-03-09 | 京东方科技集团股份有限公司 | Data transmitting method, data receiving method, and related device and system |
| WO2017076005A1 (en) * | 2015-11-02 | 2017-05-11 | 京东方科技集团股份有限公司 | Data sending method, data reception method, related device, and related system |
| US10217353B2 (en) | 2015-11-02 | 2019-02-26 | Boe Technology Group Co., Ltd. | Data transmitting method, data receiving method and device and system thereof |
| CN106059667A (en) * | 2016-08-09 | 2016-10-26 | 浪潮电子信息产业股份有限公司 | A method based on visible light communication and display device thereof |
| CN107944326A (en) * | 2017-12-12 | 2018-04-20 | 来飞光通信有限公司 | Data acquisition method, data processing method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103490815B (en) | Method of payment, intermediate equipment, intelligent terminal and system based on visible light communication | |
| CN102811091B (en) | Visible light communication-based broadband access device and method | |
| CN103812561A (en) | Transmission device based on LiFi lamplight and two-dimensional code, and communication method | |
| CN103825656A (en) | Visible light communication system based on TCP/IP and method | |
| CN104283611A (en) | Near-field optical wireless high-speed and simple interactive communication system and method between electronic devices | |
| CN106253983A (en) | The most point-to-point LED-based high speed and bidirectional data transfers mobile terminal | |
| KR101937560B1 (en) | Image sensor communication system based on dimmable M-PSK | |
| CN204089821U (en) | A visible light communication system | |
| CN104104439A (en) | Examination listening broadcasting system based on visible light communication | |
| CN103763030A (en) | Unidirectional transmission device based on LIFI lamplight | |
| KR20160133838A (en) | VLC Transmitter and Receiver with PCI Interface | |
| JP2018515956A5 (en) | ||
| CN102694592B (en) | Photon receiving device capable of eliminating external interference | |
| CN115225149B (en) | Visible light communication method, system, medium, and device assisted by RIS | |
| CN112260755A (en) | Heterogeneous network communication system of coal mining working face of coal mine | |
| CN102904637A (en) | Space optical communication method and system based on ultraviolet light transmission | |
| CN103338071A (en) | Mobile terminal near field communication device and method | |
| CN203722638U (en) | Transmission device based on LiFi lamplight and two-dimension code | |
| CN106779679A (en) | A kind of mobile-payment system based on visible light communication | |
| CN112636829A (en) | Wireless communication data transmission device for coal mining working face of coal mine | |
| CN105227240A (en) | Based on the industrial communication systems of visible ray | |
| CN103532623A (en) | Photo-communication relay transmission method and system based on polarization displacement keying modulation | |
| CN110113110B (en) | Underwater visible light communication device | |
| CN110995347B (en) | LED visible light communication system suitable for road traffic safety | |
| CN105515660B (en) | A kind of visible light communication system of reverse impulse coded modulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140521 |