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CN106911383A - A kind of data communication system and method - Google Patents

A kind of data communication system and method Download PDF

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Publication number
CN106911383A
CN106911383A CN201510977855.4A CN201510977855A CN106911383A CN 106911383 A CN106911383 A CN 106911383A CN 201510977855 A CN201510977855 A CN 201510977855A CN 106911383 A CN106911383 A CN 106911383A
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CN
China
Prior art keywords
data
signal
mobile terminal
module
external equipment
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Pending
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CN201510977855.4A
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Chinese (zh)
Inventor
常兴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing WatchData System Co Ltd
Beijing WatchSmart Technologies Co Ltd
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Beijing WatchSmart Technologies Co Ltd
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Application filed by Beijing WatchSmart Technologies Co Ltd filed Critical Beijing WatchSmart Technologies Co Ltd
Priority to CN201510977855.4A priority Critical patent/CN106911383A/en
Publication of CN106911383A publication Critical patent/CN106911383A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114Indoor or close-range type systems
    • H04B10/116Visible light communication

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)

Abstract

The invention discloses a kind of data communication system, the data signal after coding, for being encoded to communication data using data coding module, is converted to visible light signal, and will be seen that optical signal is sent to external equipment by mobile terminal using photoelectric conversion module;External equipment, for receiving visible light signal using opto-electronic receiver module and will be seen that optical signal is converted to data signal, is decoded using data decoder module to the data signal after conversion.External equipment, is additionally operable to encode communication data using data coding module, the data signal after coding is converted into visible light signal using photoelectric conversion module, and will be seen that optical signal is sent to mobile terminal;Mobile terminal, is additionally operable to receive visible light signal using opto-electronic receiver module and will be seen that optical signal is converted to data signal, and the data signal after conversion is decoded using data decoder module.The invention also discloses a kind of data communications method.

Description

A kind of data communication system and method
Technical field
The present invention relates to communication technical field, more particularly to a kind of data communication system and method.
Background technology
With the gradually popularization of mobile device and mobile terminal, the communication of external equipment and mobile terminal is also therewith Increasingly it is taken seriously, typical mobile terminal (such as mobile phone, panel computer equipment) is logical with external equipment Letter mode has bluetooth, NFC (Near Field Communication, near-field communication), USB (Universal Serial Bus, USB), audio etc., but each have the shortcomings that its is different.But these The traffic rate of communication mode need to be improved, and data are easily disturbed in transmitting procedure and capture.
The content of the invention
In view of this, the main purpose of the embodiment of the present invention is to provide a kind of data communication system and method, Data communication rates are improved with realization and data transfer is difficult purpose that is disturbed and capturing.
To achieve the above object, a kind of data communication system is the embodiment of the invention provides, the system includes Mobile terminal and the external equipment with the communication of mobile terminal, the mobile terminal include data coding module And photoelectric conversion module, the external equipment include opto-electronic receiver module and data decoder module;
The mobile terminal, for being encoded to communication data using data coding module, is turned using photoelectricity Data signal after coding is converted to visible light signal by mold changing block, and the visible light signal is sent into institute State external equipment;
The external equipment, for receiving the visible ray letter that the mobile terminal sends using opto-electronic receiver module Number and the visible light signal is converted into data signal, using data decoder module to after conversion numeral letter Number decoded.
Optionally, the external equipment also includes data coding module and photoelectric conversion module, described mobile whole End also includes opto-electronic receiver module and data decoder module;
The external equipment, is additionally operable to encode communication data using data coding module, using photoelectricity Data signal after coding is converted to visible light signal by modular converter, and the visible light signal is sent to The mobile terminal;
The mobile terminal, is additionally operable to receive the visible ray that the external equipment sends using opto-electronic receiver module The visible light signal is simultaneously converted to data signal by signal, using data decoder module to the numeral after conversion Signal is decoded.
Optionally, the visible light signal is LED light signal.
Optionally, the data rate span between the mobile terminal and the external equipment be 2.4kb/s~ 4Mb/s。
Optionally, if the data transfer rate is less than 4Mb/s,:
The photoelectric conversion module of the mobile terminal, specifically for 3/16 mode using zero reversion RZI, The digital signal modulated that will be received is into optical signal;The opto-electronic receiver module of the external equipment, specifically for Using 3/16 mode of RZI, the optical signal demodulation that will be received is into data signal;
The photoelectric conversion module of the external equipment, specifically for 3/16 mode using RZI, will receive Digital signal modulated into optical signal;The opto-electronic receiver module of the mobile terminal, specifically for using RZI 3/16 mode, the optical signal demodulation that will be received is into data signal;
If the data rate is 4Mb/s,:
The photoelectric conversion module of the mobile terminal, specifically for using pulse position modulation 4PPM modes, will The digital signal modulated for receiving is into optical signal;The opto-electronic receiver module of the external equipment, specifically for adopting 4PPM modes are used, the optical signal demodulation that will be received is into data signal;
The photoelectric conversion module of the external equipment, specifically for using 4PPM modes, the numeral that will be received Signal modulation is into optical signal;The opto-electronic receiver module of the mobile terminal, specifically for using 4PPM modes, The optical signal demodulation that will be received is into data signal.
The embodiment of the present invention additionally provides a kind of data communications method, and methods described is applied to a kind of data communication System, the system includes mobile terminal and the external equipment with the communication of mobile terminal, described mobile whole End includes data coding module and photoelectric conversion module, and the external equipment includes opto-electronic receiver module and data Decoder module, methods described includes:
The mobile terminal is encoded using data coding module to communication data, using photoelectric conversion module Data signal after coding is converted into visible light signal, and the visible light signal is sent to the outside Equipment;
The external equipment utilizes the visible light signal of the opto-electronic receiver module reception mobile terminal transmission simultaneously The visible light signal is converted into data signal, the data signal after conversion is entered using data decoder module Row decoding.
Optionally, the external equipment also includes data coding module and photoelectric conversion module, described mobile whole End also includes opto-electronic receiver module and data decoder module, and methods described also includes:
The external equipment is encoded using data coding module to communication data, using photoelectric conversion module Data signal after coding is converted into visible light signal, and the visible light signal is sent to the movement Terminal;
The mobile terminal utilizes the visible light signal of the opto-electronic receiver module reception external equipment transmission simultaneously The visible light signal is converted into data signal, the data signal after conversion is entered using data decoder module Row decoding.
Optionally, the visible light signal is LED light signal.
Optionally, the data rate span between the mobile terminal and the external equipment be 2.4kb/s~ 4Mb/s。
Optionally, if the data transfer rate is less than 4Mb/s,:
The photoelectric conversion module of the mobile terminal inverts 3/16 mode of RZI using zero, by what is received Digital signal modulated is into optical signal;The opto-electronic receiver module of the external equipment uses 3/16 mode of RZI, The optical signal demodulation that will be received is into data signal;
The photoelectric conversion module of the external equipment uses 3/16 mode of RZI, the data signal that will be received It is modulated into optical signal;The opto-electronic receiver module of the mobile terminal will be received using 3/16 mode of RZI Optical signal demodulation into data signal;
If the data rate is 4Mb/s,:
The photoelectric conversion module of the mobile terminal uses pulse position modulation 4PPM modes, the number that will be received Word signal modulation is into optical signal;The opto-electronic receiver module of the external equipment uses 4PPM modes, will receive Optical signal demodulation into data signal;
The photoelectric conversion module of the external equipment uses 4PPM modes, the digital signal modulated that will be received Into optical signal;The opto-electronic receiver module of the mobile terminal uses 4PPM modes, the optical signal that will be received It is demodulated to data signal.
Data communication system provided in an embodiment of the present invention and method, mobile terminal utilize data coding module pair Communication data is encoded, and the data signal after coding is converted into visible ray using photoelectric conversion module believes Number, and the visible light signal is sent to the external equipment;External equipment is connect using opto-electronic receiver module Receive the visible light signal of the mobile terminal transmission and the visible light signal is converted into data signal, utilize Data decoder module is decoded to the data signal after conversion.It can be seen that, the embodiment of the present invention utilizes optical signal As signal transmission carrier, data communication rates can be effectively improved, and data transfer is difficult disturbed and captures.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to implementing Example or the accompanying drawing to be used needed for description of the prior art are briefly described, it should be apparent that, describe below In accompanying drawing be some embodiments of the present invention, for those of ordinary skill in the art, do not paying wound On the premise of the property made is worked, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the composition schematic diagram of embodiment of the present invention data communication system;
Fig. 2 is embodiment of the present invention RZI coding schematic diagrams;
Fig. 3 is that the embodiment of the present invention 3/16 modulates schematic diagram;
Fig. 4 is that embodiment of the present invention 4PPM modulates schematic diagram;
Fig. 5 is one of schematic flow sheet of embodiment of the present invention data communications method;
Fig. 6 is the two of the schematic flow sheet of embodiment of the present invention data communications method.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the present invention Accompanying drawing in embodiment, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that Described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based in the present invention Embodiment, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its His embodiment, belongs to the scope of protection of the invention.
The present invention is made by visible ray such as LED (Light Emitting Diode, light emitting diode) light It is communications carrier, data communication rates can be effectively improved, and data transfer is difficult disturbed and captures. The method can be used for the challenging value input mode of dynamic token, improve the ease for use and convenience of token, also may be used As the data transmission channel of intelligent code key, there is provided flexible cipher key usage scenario.Lower mask body Introduce the embodiment of the present invention.
It is the composition schematic diagram of data communication system provided in an embodiment of the present invention, the system referring to Fig. 1 The external equipment 2 communicated including mobile terminal 1 and with the mobile terminal 1.
The mobile terminal 1 includes data coding module 101 and photoelectric conversion module 102, and the outside sets Standby 2 include opto-electronic receiver module 201 and data decoder module 202.Wherein:The data coding module 101 It is for realizing the functional module of data encoding in the mobile terminal 1 internal processor;The opto-electronic conversion Module 102 is the LED flash module that the mobile terminal 1 is carried, and it is used to export visible light signal, Specifically, the visible light signal of its output is LED light signal;The opto-electronic receiver module 201 includes light sensation Sensor and coherent signal process circuit;The data decoder module 202 utilizes the Special electric of external equipment 2 Road or general processor are realized.
When the mobile terminal 1 sends data to the external equipment 2, therebetween in the following manner Communicated:
The mobile terminal 1, for being encoded to communication data using data coding module 101, using light Data signal after coding is converted to visible light signal by electric modular converter 102, and by the visible light signal It is sent to the external equipment 2;
The external equipment 2, can for receive that the mobile terminal 1 sends using opto-electronic receiver module 201 See optical signal and the visible light signal is converted into data signal, using the 202 pairs of conversions of data decoder module Data signal afterwards is decoded.
Further, the external equipment 2 also includes data coding module 203 and photoelectric conversion module 204, The mobile terminal 1 also includes opto-electronic receiver module 103 and data decoder module 104.Wherein:The data Coding module 203 is realized using the special circuit or general processor of external equipment 2;The photoelectric conversion module 204 is the LED module of the external equipment 2, and it is used to export visible light signal, specifically, its output Visible light signal is LED light signal;The opto-electronic receiver module 103 includes the camera or preceding of mobile terminal 1 The light sensitive device and coherent signal process circuit at end;The data decoder module 104 is the mobile terminal 1 It is used to realize the functional module of data decoding in internal processor.
When the external equipment 2 sends data to the mobile terminal 1, enter in the following manner therebetween Row communication:
The external equipment 2, is additionally operable to encode communication data using data coding module 203, utilizes Data signal after coding is converted to visible light signal by photoelectric conversion module 204, and the visible ray is believed Number it is sent to the mobile terminal 1;
The mobile terminal 1, is additionally operable to receive the transmission of the external equipment 2 using opto-electronic receiver module 103 The visible light signal is simultaneously converted to data signal by visible light signal, and using data decoder module, 104 pairs turn Data signal after changing is decoded.
In embodiments of the present invention, the data rate span between the mobile terminal 1 and the external equipment 2 is 2.4kb/s~4Mb/s.When link connection starts, link data rates are arranged, such as, and protocol requirement Link always starts connection with the data transfer rate of 9.6kb/s.If communicating pair supports change data rate, can To arrange higher or lower data transfer rate, such as, when next link connection starts or in this link connection Afterwards, using more than 2.4kb/s and less than 9.6kb/s or using the data more than 9.6kb/s and less than 4Mb/s Rate.
In embodiments of the present invention, if the data transfer rate be less than 4Mb/s, using zero reversion RZI modulation and Demodulation:
The photoelectric conversion module 102 of the mobile terminal 1, specifically for 3/16 mode using RZI, will connect The digital signal modulated for receiving is into optical signal;The opto-electronic receiver module 201 of the external equipment 2, specifically for Using 3/16 mode of RZI, the optical signal demodulation that will be received is into data signal.Likewise, the outside The photoelectric conversion module 204 of equipment 2, specifically for 3/16 mode using RZI, the numeral letter that will be received Number it is modulated into optical signal;The opto-electronic receiver module 103 of the mobile terminal 1, specifically for using the 3/16 of RZI Mode, the optical signal demodulation that will be received is into data signal.
It is reverse that the data signal that data coding module 101 is exported is converted to RZI by the photoelectric conversion module 102 The modulated signal of zero, modulated signal is loaded on visible ray luminous tube, is converted to visible light signal transmission Go out;The opto-electronic receiver module 201 receives the optical signal of the transmission of the photoelectric conversion module 102, and passes through The reverse rz signals of RZI, are demodulated into data signal by demodulation.Likewise, the photoelectric conversion module 204 The data signal that data coding module 203 is exported is converted into the modulated signal that RZI is reversely zeroed, modulation is believed Number it is loaded on visible ray luminous tube, is converted to visible light signal and sends;The opto-electronic receiver module 103 The optical signal of the transmission of the photoelectric conversion module 204 is received, and by demodulation, the reverse rz signal solutions of RZI It is adjusted to data signal.On RZI coded systems, RZI coding schematic diagrams shown in Figure 2, by original generation The code element of table 0 is modulated to the high level pulse of the width of the 3/16 of original code element, and the code element that will originally represent 1 is adjusted It is made as the low level signal of original symbol width.On 3/16 modulation system, 3/16 tune shown in Figure 3 Schematic diagram processed, chooses 3 clock cycle signals (the 8th to the 10th clock cycle letter in 16 clock signals Number) as modulated signal.
In embodiments of the present invention, if the data rate is 4Mb/s, using pulse position modulation 4PPM Mode modulation and demodulation:
The photoelectric conversion module 102 of the mobile terminal 1, specifically for using 4PPM modes, by what is received Digital signal modulated is into optical signal;The opto-electronic receiver module 201 of the external equipment 2, specifically for using 4PPM modes, the optical signal demodulation that will be received is into data signal;The opto-electronic conversion mould of the external equipment 2 Block 204, specifically for using 4PPM modes, the digital signal modulated that will be received is into optical signal;The shifting The opto-electronic receiver module 103 of dynamic terminal 1, specifically for using 4PPM modes, the optical signal demodulation that will be received Into data signal.On 4PPM modulation systems, 4PPM modulation schematic diagrames shown in Figure 4, opto-electronic conversion Module 102 or photoelectric conversion module 204 are each two bit modulation into four bits, opto-electronic receiver module 103 or opto-electronic receiver module 201 receive optical signal after, by the PGC demodulation of every four bit symbols after, according to height Position of the level pulse in code character judges the state of original position.
Data communication system provided in an embodiment of the present invention, mobile terminal is using data coding module to communication number According to being encoded, the data signal after coding is converted into visible light signal using photoelectric conversion module, and will The visible light signal is sent to the external equipment;External equipment receives the shifting using opto-electronic receiver module The visible light signal is simultaneously converted to data signal by the visible light signal of dynamic terminal transmission, is decoded using data Module is decoded to the data signal after conversion.It can be seen that, the embodiment of the present invention is by the use of optical signal as signal Transport vehicle, can effectively improve communication speed, and data transfer is difficult disturbed and captures.
It is one of schematic flow sheet of data communications method provided in an embodiment of the present invention referring to Fig. 5, it is described Method is applied to a kind of data communication system, the system include mobile terminal and with the communication of mobile terminal External equipment, the mobile terminal include data coding module and photoelectric conversion module, the external equipment Including opto-electronic receiver module and data decoder module, methods described includes:
Step 501:The mobile terminal is encoded using data coding module to communication data, using light Data signal after coding is converted to visible light signal by electric modular converter, and the visible light signal is sent To the external equipment;
Step 502:The external equipment receives the visible of the mobile terminal transmission using opto-electronic receiver module The visible light signal is simultaneously converted to data signal by optical signal, using data decoder module to the number after conversion Word signal is decoded.
In embodiments of the present invention, the external equipment also includes data coding module and photoelectric conversion module, The mobile terminal also includes opto-electronic receiver module and data decoder module, is implementation of the present invention referring to Fig. 6 The two of the schematic flow sheet of the data communications method that example is provided, methods described also includes:
Step 601:The external equipment is encoded using data coding module to communication data, using light Data signal after coding is converted to visible light signal by electric modular converter, and the visible light signal is sent To the mobile terminal;
Step 602:The mobile terminal receives the visible of the external equipment transmission using opto-electronic receiver module The visible light signal is simultaneously converted to data signal by optical signal, using data decoder module to the number after conversion Word signal is decoded.
In embodiments of the present invention, the visible light signal is LED light signal.
In embodiments of the present invention, the data rate span between the mobile terminal and the external equipment is 2.4kb/s~4Mb/s.
In embodiments of the present invention, if the data transfer rate is less than 4Mb/s,:
The photoelectric conversion module of the mobile terminal inverts 3/16 mode of RZI using zero, by what is received Digital signal modulated is into optical signal;The opto-electronic receiver module of the external equipment uses 3/16 mode of RZI, The optical signal demodulation that will be received is into data signal;
The photoelectric conversion module of the external equipment uses 3/16 mode of RZI, the data signal that will be received It is modulated into optical signal;The opto-electronic receiver module of the mobile terminal will be received using 3/16 mode of RZI Optical signal demodulation into data signal;
If the data rate is 4Mb/s,:
The photoelectric conversion module of the mobile terminal uses pulse position modulation 4PPM modes, the number that will be received Word signal modulation is into optical signal;The opto-electronic receiver module of the external equipment uses 4PPM modes, will receive Optical signal demodulation into data signal;
The photoelectric conversion module of the external equipment use 4PPM modes, the digital signal modulated that will be received into Optical signal;The opto-electronic receiver module of the mobile terminal uses 4PPM modes, the optical signal demodulation that will be received Into data signal.
As seen through the above description of the embodiments, those skilled in the art can be understood that Stating all or part of step in embodiment method can add the mode of required general hardware platform by software To realize.Based on such understanding, technical scheme substantially makes tribute to prior art in other words The part offered can be embodied in the form of software product, and the computer software product can be stored in storage In medium, such as ROM/RAM, magnetic disc, CD, including some instructions are used to so that a computer equipment (can be network communication equipments such as personal computer, server, or WMG, etc.) holds Method described in some parts of row each embodiment of the present invention or embodiment.
It should be noted that for method disclosed in embodiment, because it is with disclosed in embodiment System is corresponding, so description is fairly simple, related part is illustrated referring to components of system as directed.Also need to It is bright, herein, term " including ", "comprising" or its any other variant be intended to non-row His property is included, so that process, method, article or equipment including a series of key elements not only include Those key elements, but also other key elements including being not expressly set out, or also include for this process, Method, article or the intrinsic key element of equipment.In the absence of more restrictions, by sentence " including One ... " key element that limits, it is not excluded that in the process including the key element, method, article or set Also there is other identical element in standby.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses this Invention.Various modifications to these embodiments will be for those skilled in the art apparent , generic principles defined herein can without departing from the spirit or scope of the present invention, Realized in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and It is to fit to the most wide scope consistent with principles disclosed herein and features of novelty.

Claims (10)

1. a kind of data communication system, it is characterised in that the system include mobile terminal and with the shifting The external equipment of dynamic terminal communication, the mobile terminal includes data coding module and photoelectric conversion module, The external equipment includes opto-electronic receiver module and data decoder module;
The mobile terminal, for being encoded to communication data using data coding module, using photoelectricity Data signal after coding is converted to visible light signal by modular converter, and the visible light signal is sent To the external equipment;
The external equipment, for receiving the visible ray that the mobile terminal sends using opto-electronic receiver module The visible light signal is simultaneously converted to data signal by signal, using data decoder module to the number after conversion Word signal is decoded.
2. system according to claim 1, it is characterised in that the external equipment also includes data Coding module and photoelectric conversion module, the mobile terminal also include opto-electronic receiver module and data decoding mould Block;
The external equipment, is additionally operable to encode communication data using data coding module, using light Data signal after coding is converted to visible light signal by electric modular converter, and the visible light signal is sent out Give the mobile terminal;
The mobile terminal, is additionally operable to receive the visible of the external equipment transmission using opto-electronic receiver module The visible light signal is simultaneously converted to data signal by optical signal, using data decoder module to conversion after Data signal is decoded.
3. system according to claim 1 and 2, it is characterised in that the visible light signal is LED Optical signal.
4. system according to claim 1 and 2, it is characterised in that the mobile terminal is outer with described Data rate span between portion's equipment is 2.4kb/s~4Mb/s.
5. system according to claim 4, it is characterised in that
If the data transfer rate is less than 4Mb/s,:
The photoelectric conversion module of the mobile terminal, specifically for 3/16 mode using zero reversion RZI, The digital signal modulated that will be received is into optical signal;The opto-electronic receiver module of the external equipment is specific to use In 3/16 mode using RZI, the optical signal demodulation that will be received is into data signal;
The photoelectric conversion module of the external equipment, specifically for 3/16 mode using RZI, will receive Digital signal modulated into optical signal;The opto-electronic receiver module of the mobile terminal, specifically for using RZI 3/16 mode, the optical signal demodulation that will be received is into data signal;
If the data rate is 4Mb/s,:
The photoelectric conversion module of the mobile terminal, specifically for using pulse position modulation 4PPM modes, The digital signal modulated that will be received is into optical signal;The opto-electronic receiver module of the external equipment is specific to use In 4PPM modes are used, the optical signal demodulation that will be received is into data signal;
The photoelectric conversion module of the external equipment, specifically for using 4PPM modes, the number that will be received Word signal modulation is into optical signal;The opto-electronic receiver module of the mobile terminal, specifically for using 4PPM side Formula, the optical signal demodulation that will be received is into data signal.
6. a kind of data communications method, it is characterised in that methods described is applied to a kind of data communication system, The system includes mobile terminal and the external equipment with the communication of mobile terminal, the mobile terminal bag Data coding module and photoelectric conversion module are included, the external equipment includes opto-electronic receiver module and data solution Code module, methods described includes:
The mobile terminal is encoded using data coding module to communication data, using opto-electronic conversion mould Data signal after coding is converted to visible light signal by block, and the visible light signal is sent to described External equipment;
The external equipment utilizes the visible light signal of the opto-electronic receiver module reception mobile terminal transmission simultaneously The visible light signal is converted into data signal, using data decoder module to the data signal after conversion Decoded.
7. method according to claim 6, it is characterised in that the external equipment also includes data Coding module and photoelectric conversion module, the mobile terminal also include opto-electronic receiver module and data decoding mould Block, methods described also includes:
The external equipment is encoded using data coding module to communication data, using opto-electronic conversion mould Data signal after coding is converted to visible light signal by block, and the visible light signal is sent to described Mobile terminal;
The mobile terminal utilizes the visible light signal of the opto-electronic receiver module reception external equipment transmission simultaneously The visible light signal is converted into data signal, using data decoder module to the data signal after conversion Decoded.
8. the method according to claim 6 or 7, it is characterised in that the visible light signal is LED Optical signal.
9. the method according to claim 6 or 7, it is characterised in that the mobile terminal is outer with described Data rate span between portion's equipment is 2.4kb/s~4Mb/s.
10. method according to claim 9, it is characterised in that
If the data transfer rate is less than 4Mb/s,:
The photoelectric conversion module of the mobile terminal inverts 3/16 mode of RZI using zero, by what is received Digital signal modulated is into optical signal;The opto-electronic receiver module of the external equipment uses 3/16 mode of RZI, The optical signal demodulation that will be received is into data signal;
The photoelectric conversion module of the external equipment uses 3/16 mode of RZI, the data signal that will be received It is modulated into optical signal;The opto-electronic receiver module of the mobile terminal will be received using 3/16 mode of RZI Optical signal demodulation into data signal;
If the data rate is 4Mb/s,:
The photoelectric conversion module of the mobile terminal uses pulse position modulation 4PPM modes, by what is received Digital signal modulated is into optical signal;The opto-electronic receiver module of the external equipment uses 4PPM modes, will connect The optical signal demodulation for receiving is into data signal;
The photoelectric conversion module of the external equipment uses 4PPM modes, the digital signal modulated that will be received Into optical signal;The opto-electronic receiver module of the mobile terminal uses 4PPM modes, the optical signal that will be received It is demodulated to data signal.
CN201510977855.4A 2015-12-23 2015-12-23 A kind of data communication system and method Pending CN106911383A (en)

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CN110489373A (en) * 2019-08-21 2019-11-22 格威半导体(厦门)有限公司 A kind of serial isolation communication means, apparatus and system
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CN102957478A (en) * 2011-08-19 2013-03-06 深圳光启高等理工研究院 Radio frequency control lighting light source based visible light wireless communication system
CN105049119A (en) * 2015-09-09 2015-11-11 苏州昭创光电技术有限公司 Visible light both-way communication system

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CN107293108A (en) * 2017-08-30 2017-10-24 贝分科技(杭州)有限公司 Applied to the infrared data communication device of sorting system, method and sorting system
CN107864237A (en) * 2017-10-28 2018-03-30 张文忠 Non-modulation lightwave communication mode based on mobile phone
CN110489373A (en) * 2019-08-21 2019-11-22 格威半导体(厦门)有限公司 A kind of serial isolation communication means, apparatus and system
CN111162810A (en) * 2019-12-14 2020-05-15 河南思凯蓝通信科技有限公司 Wireless communication method, CSCF (Call Session control function) and PSBC (particle swarm optimization) equipment

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Application publication date: 20170630