CN103490815B - Method of payment, intermediate equipment, intelligent terminal and system based on visible light communication - Google Patents
Method of payment, intermediate equipment, intelligent terminal and system based on visible light communication Download PDFInfo
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Abstract
The invention discloses the method for payment based on visible light communication, intermediate equipment, intelligent terminal and systems.This method includes：Intermediate equipment receives the payment information that intelligent terminal is sent in the form of visible ray；The visible light signal of reception is converted to digital electric signal by intermediate equipment；The digital electric signal is decoded, and passes through wired mode and is sent to server and show；When server returns to the feedback information for the payment information, intermediate equipment receives the feedback information that server is sent by wired mode, and feedback information is sent to intelligent terminal in the form of visible ray.In the present invention, payment information is sent by the form of visible ray, reduces leakage of the payment information in transmission process, improves the security of intelligent terminal payment；In addition, the portable intelligent terminal of user is used as payment terminal, without the safety equipment that user carries cash, network payment needs（Such as U-shield, OTP token etc.）, facility is provided for user's payment.
Description
Technical field
The present invention relates to technical field of visible light communication, more particularly to the method for payment based on visible light communication, centre
Equipment, intelligent terminal and system.
Background technology
At present, people's consumption generally using to the means of payment pay in cash, bank card payment, network payment etc.,
Or cash is carried in the requirement of these modes or requirement carries credit card or bank card, network payment management USB flash disk（Such as U
Shield）Deng payment is got up relatively inconvenient.Then, intelligent terminal payment technology rises therewith, such as Mobile banking, is propped up for user
The business of paying is provided convenience, but during existing intelligent terminal progress payment transaction, is used the wireless network means of payment, deposited
In many safety problems.For example, using bluetooth, WIFI when wireless networks are paid, used by be traditional nothing
Line radiofrequency signal, the wireless signal is there are the characteristics of 360 degrees omnidirection radiation, and information is easier to reveal, and security has much room for improvement.
The content of the invention
In order to solve the above technical problems, the embodiment of the present invention provide the method for payment based on visible light communication, intermediate equipment,
Intelligent terminal and system, when with solution, terminal is paid in the prior art, easily leakage causes information security to payment information
The technical issues of relatively low.It is as follows that the present invention provides technical solution：
Method of payment based on visible light communication, including：
Intermediate equipment receives the payment information that intelligent terminal is sent in the form of visible ray；
The visible light signal of reception is converted to digital electric signal by intermediate equipment；
The digital electric signal is decoded, and passes through wired mode and is sent to server and show；
After the response instruction of the payment information corresponding to display is triggered, server is returned for the payment information
Feedback information, intermediate equipment receive the feedback information that server is sent in a wired fashion, and by the feedback information with visible ray
Form be sent to intelligent terminal, so that intelligent terminal restores original feedback information and basis according to the visible light signal of reception
Feedback information carries out the confirmation or modification of payment information.
The present invention also provides a kind of intermediate equipment, including：
First optical signal receiving module, for receiving the payment information that intelligent terminal is sent in the form of visible ray；
First photoelectric conversion module, for the visible light signal of reception to be converted to digital electric signal；First decoder module,
For being decoded to the digital electric signal；Sending module is sent for obtained payment information after decoding by wired mode
It is shown to server；
Receiving module, for being triggered when the response of the payment information corresponding to display instruction, server is returned for institute
When stating the feedback information of payment information, the feedback information that server is sent in a wired fashion is received；
Coding module for encoding the feedback information that server is sent, is suitable for transmitting in visible light channel；
First optical signal sending module, for the feedback information after encoding to be sent to intelligent end in the form of glistening
End, so that intelligent terminal restores original feedback information according to the feedback signal of reception and carries out payment information according to feedback information
Confirmation or modification.
The present invention also provides a kind of intermediate equipment, including：
Photoelectric converter, for receiving the payment information that intelligent terminal is sent in the form of visible ray, and will be described visible
Optical signal is converted to analog electrical signal；
Analog-digital converter, for the analog electrical signal to be converted to digital electric signal；
Decoder, for being decoded to the digital electric signal；
Interface circuit shows for decoded obtained payment information to be transmitted to server；When server returns to pin
During to the feedback information of the payment information, the feedback information that server is sent in a wired fashion is received；
Encoder for encoding the feedback information, is suitable for transmitting in visible light channel；
Light source, for the feedback information after encoding to be sent to intelligent terminal in the form of visible ray, so as to intelligent terminal
Original feedback information is restored according to the visible light signal of reception and the confirmation or modification of payment information are carried out according to feedback information,
Wherein, the light source provides bias current by light source driving circuit for it.
The present invention also provides a kind of method of payment based on visible light communication, including：
Intelligent terminal carries out payment information to be sent coding and forms binary data stream；
The binary data stream is sent to intermediate equipment by intelligent terminal in the form of visible ray, so that intermediate equipment connects
Receive visible light signal and by the visible light signal be converted to digital electric signal, to the digital electric signal decoding, will decode
To payment information server be sent to by wired mode show；
When the response instruction of the payment information corresponding to display is triggered, server is returned for the anti-of the payment information
During feedforward information, intelligent terminal receives the feedback information after the coding that intermediate equipment is forwarded in the form of visible ray；
Intelligent terminal restores original feedback presentation of information according to the visible light signal of reception, in order to according to feedback information
Carry out the confirmation or modification of payment information.
The present invention also provides a kind of intelligent terminal, including：
Coding module forms binary data stream for carrying out coding to payment information to be sent；
Second optical signal sending module sets for the binary data stream to be sent to centre in the form of visible ray
It is standby, it receives visible light signal so as to intermediate equipment and the visible light signal is converted into digital electric signal, to the number electricity
Signal decoding will decode obtained payment information and be sent to server by wired mode and shows；
Second optical signal receiving module is triggered for corresponding to the response of the payment information of display instruction, and server returns
When back stitching is to the feedback information of the payment information, receive after the coding that intermediate equipment forward in the form of visible ray it is described instead
Feedforward information；
Recovery module, for restoring original feedback information according to the visible light signal of reception；Display module, for showing
The original feedback information that recovery module obtains, in order to carry out the confirmation or modification of payment information according to feedback information.
The present invention also provides a kind of payment system based on visible light communication, including：
Intermediate equipment as described in any of the above-described, the intelligent terminal as described in any of the above-described, server and human-computer interaction circle
Face；
The server is for receiving and showing the payment information that intermediate equipment is sent by wired mode, when return is directed to
During the feedback information of the payment information, feedback information is sent to intermediate equipment in a wired fashion.
By above technical solution provided in an embodiment of the present invention as it can be seen that the payment information that intermediate equipment receives is intelligent terminal
It is sent in the form of visible ray, intelligent terminal is not transmitted using traditional radio frequency signal, but is led to using visible ray
Letter technology can be decayed soon with directed radiation and visible light signal since visible ray is sent, be easy to strictly control its coverage
System, so as to greatly reduce the degree of signal leakage, improves the security of information transmission in finite region.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in invention, for those of ordinary skill in the art, can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the flow chart of the method for payment embodiment 1 provided by the invention based on visible light communication；
Fig. 2 is the flow chart of the method for payment embodiment 2 provided by the invention based on visible light communication；
Fig. 3 is the flow chart of the method for payment embodiment 3 provided by the invention based on visible light communication；
Fig. 4 is the flow chart of the method for payment embodiment 4 provided by the invention based on visible light communication；
Fig. 5 is a kind of structure diagram of intermediate equipment embodiment 1 provided by the invention；
Fig. 6 is a kind of structure diagram of intermediate equipment embodiment 2 provided by the invention；
Fig. 7 is a kind of structure diagram of intelligent terminal embodiment 1 provided by the invention；
Fig. 8 is a kind of structure diagram of the payment system based on visible light communication provided by the invention.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the technical solution in the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described implementation
Example is only part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiments obtained should all belong to the scope of protection of the invention.
Although the existing wireless network means of payment has provided the convenience of payment to the user, but there are many peaces
Full problem.For example, using bluetooth, WIFI when wireless networks are paid, used by be traditional radio frequency signal,
There are the characteristics of 360 degrees omnidirection radiation, and signal propagation distance is farther out, and information is easier to reveal, and security has much room for improvement.
It is therefore desirable to develop a kind of more reliable, safety mode of doing business, the payer provided by the invention based on visible light communication
Method, intermediate equipment, intelligent terminal and system, when terminal is paid, using visible light communication technology, so-called visible light communication
（VLC）, refer to that sender utilizes light emitting diode（LED）The optical signal for sending the imperceptible high speed brilliant flash of human eye comes in fact
The Emerging wireless communications technology of existing information transmission.Visible ray transmitting portion directed radiation, rapid decay, are easy to its coverage
It is strict controlled in finite region, so as to greatly reduce the degree of signal leakage.Present intelligent terminal with oneself must as everyone
The communication tool of band, and the camera and LED light that such as mobile phone or iPad intelligent terminals carry are using visible light communication technology
It carries out payment and provides good basis.First below to the method for payment provided by the invention based on visible light communication, carry out
It is discussed in detail.
As shown in Figure 1, be the flow chart of the method for payment embodiment 1 provided by the invention based on visible light communication, this reality
Example is applied specifically to may include steps of：
S101：Intermediate equipment receives the payment information that intelligent terminal is sent in the form of visible ray.
It is different from traditional mode, it is not to use radio frequency signal when user carries out payment transaction using intelligent terminal
Short message is sent, but visible light communication technology is used to carry out payment transaction.So-called visible light communication（VLC）, refer to sender
The optical signal of the imperceptible high speed brilliant flash of human eye is sent using luminaire to realize the emerging channel radio of information transmission
Letter technology, for the intelligent terminal that current people generally use, such as smart mobile phone, tablet computer（Such as iPad）Deng these
LED in terminal（Diode）Lamp can be used as the transmission that luminaire carries out payment information.For example, if payment information corresponds to
Binary data stream it is encoded for " 00110000111111 ", if luminaire is set, which to shine, represents binary " 1 ", hair
Light device does not shine and represents binary " 0 ", then luminaire is controlled to shine, do not shine the information that can represent the sequence
It sends.In addition, except information being sent in the form of shining or is non-luminous, can also control the light and shade of LED light
Degree indicates that different information sends payment information.
S102：The visible light signal of reception is converted to digital electric signal by intermediate equipment.
What intermediate equipment received is exactly the optical signal that the luminaire is sent, and in practical applications, sense may be employed
Optic component is into the reception of traveling optical signal, such as photodiode, while photodiode converts optical signals to electric signal, so
The analog electrical signal that photodiode exports can be converted to by digital electric signal by analog-to-digital conversion afterwards, so as to subsequent signal
Processing.
S103：The digital electric signal is decoded, and passes through wired mode and is sent to server and show.
In order to realize transmission of the payment information in visible light channel, it is necessary to carry out information source volume to the payment information of user
Code, and be converted into the frame format of setting being suitble to the binary sequence transmitted in visible light channel, to correspond to the bright of LED light
It is or dark.For example, it is a kind of default frame format for being suitble to propagate in visible light channel, including synchronization shown in reference table 1
Sequence, information sequence and end sequence.
A kind of default frame format for being suitble to propagate in visible light channel of table 1.
| Synchronizing sequence | Information sequence | End sequence |
| 128 bits | 4080 bits | 8 bits |
Wherein, synchronizing sequence is made of 128 bits, and it is synchronous with the clock of transmitting terminal to be used to implement receiving terminal, and determines
The starting position of effective information；Information sequence is encoded by original payment information through RS（Reed-Solomon is encoded）, Man Qiesi
Spy's coding generates.Wherein, because the effective information that RS codings generate accounts for 223 bytes, check information accounts for 32 bytes.It is passing through and is going here and there
Synchronization is done after conversion, information sequence total length becomes 4080 bits.The end sequence of postamble is used to show this frame
End of data accounts for 8 bits.Frame structure shown in table 1 is served only for schematically illustrate, is not limitation of the present invention, specific
Application scenarios in, can according to practical application set need frame format, here without enumerating.
Intermediate equipment receives visible light signal, after being converted into digital electric signal to the signal, to gained digital signal
It synchronizes and decodes, specific decoder can make choice according to the coding mode that transmitting terminal uses, and not be restricted here.
Specifically, the digital electric signal of sampling output, if the Serial No. that sampling obtains is synchronizing sequence, then it is assumed that valid data are opened
Begin, just think the data transfer ends until sampling end sequence.Original payment information pair is obtained after being decoded to the signal
Then the data are sent to server by wired mode and shown by the binary data answered, for example, by USB interface or
Serial ports after server receives payment information, can show payment information by the display device of itself, user is facilitated to check.
S104：When server returns to the feedback information for the payment information, intermediate equipment receives server to have
The feedback information that line mode is sent.
If necessary to be fed back to the payment information, for example, confirmation of payment information etc., specifically, aobvious when corresponding to
After the response instruction of the payment information shown is triggered, server returns to the feedback information for the payment information, by server
The feedback information is sent to intermediate equipment in a manner of wired.
S105：Intelligent terminal is sent in the form of visible ray after the feedback information is encoded.
It, will equally in the form of visible ray to ensure the security of signal after intermediate equipment receives the feedback information
The feedback information is sent to intelligent terminal processing, for example carries out the confirmation or modification of payment information.In order to which feedback information can be with
It is sent in the form of visible ray, first has to encode feedback information, specifically may be referred to the description of S103, make it possible to
It is transmitted in visible light channel.
Technical solution provided in this embodiment, the payment information that intermediate equipment receives are intelligent terminals in the form of visible ray
It sending, intelligent terminal is not transmitted using traditional radio frequency signal, but using visible light communication technology, due to visible
Light, which is sent, to be decayed soon with directed radiation and visible light signal, be easy to its coverage being strict controlled in finite region,
So as to greatly reduce the degree of signal leakage, the security of information transmission is improved.In addition, intelligent terminal with oneself must as everyone
The communication tool of band passes through mobile phone or tablet computer（Such as iPad）The LED light that intelligent terminals carry is waited to realize visible light communication,
The transmission of payment information is completed, use is more convenient.
Further, refering to what is shown in Fig. 2, stream for the method for payment embodiment 2 provided by the invention based on visible light communication
Cheng Tu, the present embodiment can be regarded as a specific implementation on the basis of embodiment 1, and the present embodiment can specifically include：
S201：Intermediate equipment receives the payment information that intelligent terminal is sent in the form of visible ray.
S202：Optically focused is carried out to the visible light signal that intelligent terminal is sent, with the light intensity for the visible light signal that enhancing receives.
Preferably, condenser may be employed here, optically focused is carried out to the visible light signal that intelligent terminal is sent, reduce intelligence
The diverging for the visible light signal that terminal is sent, makes more visible rays reach intermediate equipment, the visible light signal received with enhancing
Light intensity.
S203：The visible light signal sent to intelligent terminal filters, to filter out in visible light signal in addition to blue light
Optical signal.
Preferably, the visible light signal that optical filtering sends intelligent terminal may be employed in this step to filter, blue light
The loss of communication is typically small, thus generally using blue light as communications carrier, but can wherein be mingled with feux rouges and green light, it can be right
Blue light affects, it is therefore possible to use optical filtering filters out the optical signal in addition to blue light in visible light signal, removal
Noise.
S204：The visible light signal of reception is converted to digital electric signal by intermediate equipment.
S205：The digital electric signal is decoded, and passes through wired mode and is sent to server and show.
S206：When server returns to the feedback information for the payment information, intermediate equipment receives server to have
The feedback information that line mode is sent.
S207：The feedback information is encoded, and intelligent terminal is sent in the form of visible ray.
Refering to what is shown in Fig. 3, be the flow chart of the method for payment embodiment 3 provided by the invention based on visible light communication, this
The realization of correlation step may be referred to the realization method in relation to step in embodiment 1 in embodiment, be not detailed herein.This
Embodiment can specifically include：
S301：Intelligent terminal carries out payment information to be sent coding and forms binary data stream.
The specific implementation of this step may be referred to step S103 in embodiment 1, and which is not described herein again.
S302：The binary data stream is sent to intermediate equipment by intelligent terminal in the form of visible ray.
So that intermediate equipment receives visible light signal and the visible light signal is converted to digital electric signal, to described
Digital electric signal decoding will decode obtained payment information and be sent to server by wired mode and shows.
S303：When server returns to the feedback information for the payment information, intelligent terminal receives intermediate equipment with can
See the feedback information after the coding of the form forwarding of light；
S304：Intelligent terminal restores original feedback information according to the visible light signal of reception and shows, in order to basis
Feedback information carries out the confirmation or modification of payment information.
Preferably, for smart mobile phone, the camera that terminal carries, which may be employed, can receive intermediate equipment transmission
Visible light signal, after intelligent terminal receives visible light signal, the visible light signal received is converted into analog electrical signal,
Further, the analog electrical signal is converted into digital electric signal, then by being solved to the obtained digital electric signal
Code can obtain original feedback information, which is shown on a terminal screen, feedback information is confirmed for user
Or modification.
On the basis of embodiment 1,2 and 3, refering to what is shown in Fig. 4, being the payment provided by the invention based on visible light communication
The flow chart of embodiment of the method 4, the present embodiment are the general flowchart of the method for payment based on visible light communication, correlation step
Specific implementation may be referred to the various embodiments described above, and which is not described herein again.The present embodiment specifically may comprise steps of：
S401：Intelligent terminal carries out payment information to be sent coding and forms binary data stream.
S402：The binary data stream is sent to intermediate equipment by intelligent terminal in the form of visible ray.
S403：Intermediate equipment receives the payment information that intelligent terminal is sent in the form of visible ray.
S404：The visible light signal of reception is converted to digital electric signal by intermediate equipment.
S405：The digital electric signal is decoded, and passes through wired mode and is sent to server and show.
S406：When server returns to the feedback information for the payment information, intermediate equipment receives server to have
The feedback information that line mode is sent.S407：Intelligent end is sent in the form of visible ray after the feedback information is encoded
End.
S408：Intelligent terminal receives the feedback information that intermediate equipment is forwarded in the form of visible ray；
S409：Intelligent terminal restores original feedback information according to the visible light signal of reception and shows, in order to basis
Feedback information carries out the confirmation or modification of payment information.
On the basis of embodiment 4, it is preferred that intermediate equipment, can when receiving the visible light signal that intelligent terminal is sent
Before reception, optically focused and optical filtering are carried out to visible light signal, the optically focused is mainly used for the visible light signal that enhancing receives
Light intensity, the optical filtering main purpose is the letter of the light in addition to blue light in the visible light signal that intelligent terminal to be filtered out is sent
Number, the optical signal in addition to blue light can be known as noise here.
Corresponding to above method embodiment, the present invention also provides a kind of intermediate equipment, refering to what is shown in Fig. 5, in being described
Between apparatus embodiments 1 structure diagram, the intermediate equipment includes：
First optical signal receiving module 510, for receiving the payment information that intelligent terminal is sent in the form of visible ray；
First photoelectric conversion module 520, for the visible light signal of reception to be converted to digital electric signal；
First decoder module 530, for being decoded to the digital electric signal；Sending module 540, for obtaining after decoding
Payment information server be sent to by wired mode show；
Receiving module 550 is triggered for corresponding to the response of the payment information of display instruction, and server is returned for institute
When stating the feedback information of payment information, the feedback information that server is sent by wired mode is received；
Coding module 560 for encoding the feedback information that server is sent, is suitable for passing in visible light channel
It is defeated；
First optical signal sending module 570, for the feedback information after encoding to be sent to intelligence in the form of visible ray
Terminal, so that intelligent terminal restores original feedback information according to the visible light signal of reception and is paid according to feedback information
The confirmation or modification of information.
Preferably, in addition to above-mentioned each module, the intermediate equipment can also include：
Concentration module 580, the branch sent for the first optical signal receiving module reception intelligent terminal in the form of visible ray
Before paying information, optically focused is carried out to the visible light signal that intelligent terminal is sent, with the light intensity for the visible light signal that enhancing receives.
Filtration module 590, the branch sent for the first optical signal receiving module reception intelligent terminal in the form of visible ray
Before paying information, the visible light signal sent to intelligent terminal filters, to filter out in visible light signal in addition to blue light
Optical signal.
Refering to what is shown in Fig. 6, be a kind of structure diagram of intermediate equipment embodiment 2 provided by the invention, the present embodiment
Intermediate equipment can be regarded as the actual realization of the intermediate equipment shown in the intermediate equipment embodiment 1, the intermediate equipment bag
It includes：
Photoelectric converter 610, corresponding to 510 and first photoelectric conversion module 520 of the first optical signal receiving module
Partial function for receiving the payment information that intelligent terminal is sent in the form of visible ray, and the visible light signal is converted
For analog electrical signal；
Analog-digital converter 620, corresponding to the partial function of first photoelectric conversion module 520, for by the simulation
Electric signal is converted to digital electric signal；Decoder 630, corresponding to first decoder module 530, for the digital telecommunication
Number decoding；Interface circuit 640, corresponding to the sending module 540 and receiving module 550, for by decoded obtained branch
Information is paid to be transmitted to server and show；When server returns to the feedback information for the payment information, server hair is received
The feedback information sent；Preferably, the interface circuit can be usb circuit or serial port circuit.
Encoder 650 corresponding to the coding module, for encoding the feedback information, is suitable for believing in visible ray
It is transmitted in road；
Light source 660, corresponding to the first optical signal sending module 570, for the feedback information after encoding with visible
The form of light is sent to intelligent terminal, so that intelligent terminal restores original feedback information and root according to the visible light signal of reception
The confirmation or modification of payment information are carried out according to feedback information, the light source 660 provides biased electrical by light source driving circuit 670 for it
Stream..
Preferably, in addition to the module shown in Fig. 6, the intermediate equipment can also include：
Condenser 680, the corresponding concentration module 580 receive intelligent terminal with visible ray for photoelectric converter 610
Before the payment information that form is sent, optically focused is carried out to the visible light signal that intelligent terminal is sent, the visible ray received with enhancing
The light intensity of signal.
Optical filtering 690, the corresponding filtration module 590 receive intelligent terminal with visible ray for photoelectric converter 610
Before the payment information that form is sent, filtering operation is carried out to the visible light signal that intelligent terminal is sent, to filter out visible ray letter
Optical signal in number in addition to blue light.
Refering to what is shown in Fig. 7, being a kind of structure diagram of intelligent terminal embodiment 1 provided by the invention, the intelligence is eventually
End can include：
Coding module 710 forms binary data stream for carrying out coding to payment information to be sent；
Second optical signal sending module 720, for the binary data stream to be sent to centre in the form of visible ray
Equipment, so that intermediate equipment receives visible light signal and the visible light signal is converted to digital electric signal, to the number
Electric signal decoding will decode obtained payment information and be sent to server by wired mode and shows；
Second optical signal receiving module 730 is triggered for corresponding to the response of the payment information of display instruction, server
When returning to the feedback information for the payment information, the feedback after the coding that intermediate equipment is forwarded in the form of visible ray is received
Information；
Recovery module 740, for restoring original feedback information according to the visible light signal of reception；
Display module 750, for showing original feedback information that recovery module obtains, in order to be carried out according to feedback information
The confirmation or modification of payment information.
Preferably, the recovery module 740 can include：
Second photoelectric conversion module, for the visible light signal of reception to be converted to analog electrical signal；
Analog-to-digital conversion module, for the analog electrical signal to be converted to digital electric signal；
Second decoder module, the digital electric signal for being obtained to the modular converter are decoded to obtain original feedback
Information.
Refering to what is shown in Fig. 8, be a kind of structure diagram of the payment system based on visible light communication provided by the invention, institute
Stating system includes the intermediate equipment 810 shown in Fig. 5, the intelligent terminal 820 shown in Fig. 6, server 830；
The server 830 for receiving and showing payment information that intermediate equipment is sent by wired mode, works as return
For the payment information feedback information when, feedback information is sent to intermediate equipment in a wired fashion.
It should be noted that being transferred using visible ray wireless transmission method into row information, avoid using conventional radio frequency side
Formula may give people the health problem brought；And the optical frequencies used is authorized without radio control department；If display device
Using the visualization man-machine interactive platform under WINDOWS interfaces when showing payment information, it can be ensured that based on visible light communication
The means of payment more hommization, while so that the mode of both parties' information exchange is relatively reliable；For consumers, in reality
In the application of border, need to only install related software, bank etc. only need to add and can carry out being based on visible light communication with light emitting/receiving circuit
Payment, cost is comparatively cheap.In addition, technical solution provided by the invention, if applying on mobile phone, takes full advantage of
LED light and camera resource on mobile phone, and smart mobile phone and transaction payment are naturally combined, system has good secret
Property, security and convenience.Without authorizing, optical signal directed radiation quickly declines for its duplex communication possessed, visible light frequency band
Subtract, many advantages such as safety and stability, performance are good so that payment transaction is convenient, secret, safety.The application cost of relative moderate is
The large-scale promotion of the system is laid a good foundation.
For convenience of description, it is divided into various units during description apparatus above with function to describe respectively.Certainly, this is being implemented
The function of each unit is realized can in the same or multiple software and or hardware during invention.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Point just to refer each other, and the highlights of each of the examples are difference from other examples.It is real especially for system
For applying example, since it is substantially similar to embodiment of the method, so describing fairly simple, related part is referring to embodiment of the method
Part explanation.The above is only the specific embodiment of the present invention, for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications should also regard
For protection scope of the present invention.
Claims (16)
1. the method for payment based on visible light communication, which is characterized in that including：
Intermediate equipment receives the payment information that intelligent terminal is sent in the form of the visible ray of different bright-dark degrees；
The visible light signal of reception is converted to digital electric signal by intermediate equipment；
The digital electric signal is decoded, and passes through wired mode and is sent to server and show；
After the response instruction of the payment information corresponding to display is triggered, server returns to the feedback for the payment information
Information, intermediate equipment receive the feedback information that sends in a wired fashion of server, and with visible after the feedback information is encoded
The form of light is sent to intelligent terminal, so that intelligent terminal restores original feedback information and root according to the visible light signal of reception
The confirmation or modification of payment information are carried out according to feedback information.
2. according to the method described in claim 1, it is characterized in that, intermediate equipment reception intelligent terminal is sent out in the form of visible ray
Before the payment information sent, further include：
Optically focused is carried out to the visible light signal that intelligent terminal is sent, with the light intensity for the visible light signal that enhancing receives.
3. according to the method described in claim 1, it is characterized in that, intermediate equipment reception intelligent terminal is sent out in the form of visible ray
Before the payment information sent, further include：
The visible light signal sent to intelligent terminal filters, to filter out the optical signal in visible light signal in addition to blue light.
4. according to the method described in claim 1, it is characterized in that, intermediate equipment uses LED light as light source, by the feedback
Intelligent terminal is sent in the form of visible ray after information coding.
5. a kind of intermediate equipment, which is characterized in that including：
First optical signal receiving module, for receiving the payment that intelligent terminal is sent in the form of the visible ray of different bright-dark degrees
Information；
First photoelectric conversion module, for the visible light signal of reception to be converted to digital electric signal；
First decoder module, for being decoded to the digital electric signal；
Sending module is sent to server by wired mode for obtained payment information after decoding and shows；
Receiving module, for being triggered when the response of the payment information corresponding to display instruction, server is returned for the branch
When paying the feedback information of information, the feedback information that server is sent in a wired fashion is received；
Coding module for encoding the feedback information that server is sent, is suitable for transmitting in visible light channel；
First optical signal sending module, for the feedback information after encoding to be sent to intelligent terminal in the form of visible ray, with
Just intelligent terminal restores original feedback information according to the feedback signal of reception and carries out payment information really according to feedback information
Recognize or change.
6. intermediate equipment according to claim 5, which is characterized in that the intermediate equipment further includes：
Concentration module, for the first optical signal receiving module receive the payment information that is sent in the form of visible ray of intelligent terminal it
Before, optically focused is carried out to the visible light signal that intelligent terminal is sent, with the light intensity for the visible light signal that enhancing receives.
7. intermediate equipment according to claim 5, which is characterized in that the intermediate equipment further includes：
Filtration module, for the first optical signal receiving module receive the payment information that is sent in the form of visible ray of intelligent terminal it
Before, the visible light signal sent to intelligent terminal filters, to filter out the optical signal in visible light signal in addition to blue light.
8. a kind of intermediate equipment, which is characterized in that the intermediate equipment includes：Photoelectric converter, for receive intelligent terminal with
The payment information that the form of the visible ray of different bright-dark degrees is sent, and the visible light signal is converted into analog electrical signal；
Analog-digital converter, for the analog electrical signal to be converted to digital electric signal；
Decoder, for being decoded to the digital electric signal；Interface circuit is transmitted to clothes for will decode obtained payment information
Business device is shown, when server returns to the feedback information for the payment information, receives what server was sent in a wired fashion
Feedback information；
Encoder for encoding the feedback information, is suitable for transmitting in visible light channel；
Light source, for by encode after feedback information intelligent terminal is sent in the form of visible ray, so as to intelligent terminal according to
The visible light signal of reception restores original feedback information and the confirmation or modification of payment information is carried out according to feedback information,
In, the light source provides bias current by light source driving circuit for it.
9. intermediate equipment according to claim 8, which is characterized in that further include：Condenser, for being sent to intelligent terminal
Visible light signal carry out optically focused, with enhancing receive visible light signal light intensity.
10. intermediate equipment according to claim 8, which is characterized in that further include：Optical filtering, for sending out intelligent terminal
The visible light signal sent carries out filtering operation, to filter out the optical signal in visible light signal in addition to blue light.
11. intermediate equipment according to claim 8, which is characterized in that the interface circuit is：Usb circuit or string
Mouth circuit.
12. the method for payment based on visible light communication, which is characterized in that including：
Intelligent terminal carries out payment information to be sent coding and forms binary data stream；
The binary data stream is sent to intermediate equipment by intelligent terminal in the form of the visible ray of different bright-dark degrees, so as to
Intermediate equipment receives visible light signal and the visible light signal is converted to digital electric signal, to the digital electric signal solution
Code will decode obtained payment information and be sent to server by wired mode and shows；
When the response instruction of the payment information corresponding to display is triggered, server returns to the feedback letter for the payment information
During breath, intelligent terminal receives the feedback information after the coding that intermediate equipment is forwarded in the form of visible ray；
Intelligent terminal restores original feedback information according to the visible light signal of reception and shows, in order to according to feedback information into
The confirmation or modification of row payment information.
13. according to the method for claim 12, which is characterized in that intelligent terminal is restored according to the visible light signal of reception
Original feedback information includes：
The visible light signal received is converted into analog electrical signal；
The analog electrical signal is converted into digital electric signal；
The obtained digital electric signal is decoded to obtain original feedback information.
14. a kind of intelligent terminal, which is characterized in that the intelligent terminal includes：
Coding module forms binary data stream for carrying out coding to payment information to be sent；
Second optical signal sending module, for the binary data stream to be sent in the form of the visible ray of different bright-dark degrees
To intermediate equipment, so that intermediate equipment receives visible light signal and the visible light signal is converted to digital electric signal, to institute
Digital electric signal decoding is stated, obtained payment information will be decoded server is sent to by wired mode and show；
Second optical signal receiving module is triggered for corresponding to the response of the payment information of display instruction, and server returns to pin
During to the feedback information of the payment information, the feedback letter after the coding that intermediate equipment is forwarded in the form of visible ray is received
Breath；
Recovery module, for restoring original feedback information according to the visible light signal of reception；Display module reduces for showing
The original feedback information that module obtains, in order to carry out the confirmation or modification of payment information according to feedback information.
15. intelligent terminal according to claim 14, which is characterized in that the recovery module includes：
Second photoelectric conversion module, for the visible light signal of reception to be converted to analog electrical signal；
Modular converter, for the analog electrical signal to be converted to digital electric signal；
Second decoder module, the digital electric signal for being obtained to the modular converter are decoded to obtain original feedback letter
Breath.
16. a kind of payment system based on visible light communication, which is characterized in that the system comprises：
Such as claim 5-11 any one of them intermediate equipment, such as claim 14-15 any one of them intelligent terminal, clothes
Business device；
The server is for receiving and showing the payment information that intermediate equipment is sent by wired mode, when return is for described
During the feedback information of payment information, feedback information is sent to intermediate equipment in a wired fashion.
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| CN103986516A (en) * | 2014-05-30 | 2014-08-13 | 中国人民解放军信息工程大学 | Visible light communication system and method |
| CN104022827A (en) * | 2014-06-30 | 2014-09-03 | 中国人民解放军信息工程大学 | Visible light communication system |
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| CN105117905A (en) * | 2015-07-21 | 2015-12-02 | 北京邮电大学 | Wireless Key payment system based on visible light communications and payment method |
| CN106022766A (en) * | 2016-05-20 | 2016-10-12 | 中国人民解放军信息工程大学 | Payment method based on visible light communication and related device and system |
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