CN107425911B - Communication terminal visible light data transmission device and transmission method - Google Patents
Communication terminal visible light data transmission device and transmission method Download PDFInfo
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- CN107425911B CN107425911B CN201710620969.2A CN201710620969A CN107425911B CN 107425911 B CN107425911 B CN 107425911B CN 201710620969 A CN201710620969 A CN 201710620969A CN 107425911 B CN107425911 B CN 107425911B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/116—Visible light communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/40—Transceivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
Abstract
The invention provides a communication terminal visible light data transmission device and a transmission method. The device utilizes the light source and the camera of the communication terminal to realize data transmission. An electro-optical converter is arranged in a light source of the communication terminal to convert an electric signal into an optical signal, and data information is sent out in a light source mode. The camera of the communication terminal is internally provided with a photoelectric detector and a photoelectric converter, converts an optical signal of a light source into an electric signal and completes the function of receiving data information. The device can realize the data transmission and the data reception between the communication terminals with the functions of the light source and the camera, does not depend on a third-party network, and does not need an additional data connecting line.
Description
Technical Field
The invention belongs to the technical field of communication, and particularly relates to a device and a method for transmitting light source data of a mobile terminal in visible light communication.
Background
With the rapid development of mobile internet services, data transmission between mobile phone terminals is increasingly frequent, and the data volume also increases rapidly. At present, besides a small amount of data transmitted through the wireless bluetooth technology, most of the data amount still needs to be transmitted by means of third-party network relay.
The transmission method has the following problems: the data volume transmitted by the wireless bluetooth technology is too small, the transmission rate is not high, and the wireless bluetooth technology is difficult to play a role especially in scenes where the wireless technology cannot be used (such as an airplane cabin and a high-risk mine in the process of flight). The transmission via the third-party network has a certain transmission delay, and the transmission efficiency and the speed are low for large-capacity files. Especially, when the third-party network has a fault and suspends the service, the data transmission between the mobile phone terminals cannot be carried out.
In addition, the current smart phone generally has a camera and a light source, the camera is used for taking pictures by the mobile phone, and the light source is used for lighting the mobile phone and has the function of a photographing flash lamp. The invention provides a method for modifying a device of a camera and a light source of a mobile phone to enable the device to have a data transmission function, thereby realizing the point-to-point data transmission function between mobile phones without depending on a third party network.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a data transmission device with high capacity and high speed between mobile phone terminals, which does not depend on a third party network. The invention provides a device for a camera and a light source of a mobile phone, which is modified to have an optical data transmission function. The device comprises the following specific contents:
1. a sending end device: an electro-optical converter is connected and arranged at the background of a light source of the communication terminal and is connected with a signal sending module of a terminal transmission system. The electric signal data information sent by the terminal can be converted into an optical signal through the electro-optical converter, and then the data information is sent out in the form of the optical signal through the light source on the terminal.
2. A receiving end device: a photoelectric detector and a photoelectric converter are arranged in a camera background of the communication terminal and used for converting optical signals of a light source into electric signals and connecting the electric signal information with a signal processing module of a mobile phone operating system to realize a data information receiving function.
The invention provides a device for transmitting visible light data of a communication terminal. The device only needs to be modified by certain technology on the basis of the light source of the mobile phone terminal and the accessories of the camera, so that point-to-point data transmission between the mobile phone terminals can be realized, the device does not depend on a third-party network, and an additional data connecting line is not needed.
The basic unidirectional data transmission steps for data file transmission between different terminals (namely a terminal A and a terminal B) are as follows:
1. the terminal A and the terminal B are close to each other in distance, the terminal A is used as a data sending end, and the terminal B is used as a data receiving end; and aligning the light source of the terminal A to the camera of the terminal B to finish the position preparation work before data transmission.
2. The terminal A and the terminal B respectively select the optical communication function of the light source through a terminal operating system, and the terminal A and the terminal B respectively enter a sending mode and a receiving mode.
3. And the terminal A starts a light source and sends a test light signal, and the terminal B starts a camera and starts to receive the light source test light signal of the terminal A. And the terminal B judges whether the current data transmission environment of the terminal A is suitable for real-time data transmission or not through the received test optical signal, if the current data transmission environment of the terminal A is not suitable, the position and the distance between the terminal B and the terminal A are adjusted until the terminal operating system displays that the current environment is suitable for data transmission in a feedback mode, and therefore the data test mode before data transmission is finished.
4. Keeping the current positions and distances of the terminal A and the terminal B after the test results of the terminal A and the terminal B are qualified; the terminal A selects the electronic file to be sent to send to the terminal B, and the terminal B selects the file of the receiving terminal A and selects a proper storage space to store the file from the terminal A. At this time, the terminals a and B formally enter a data transmission and reception mode.
5. And after the data file of the terminal A is sent and the terminal B receives the data file completely and correctly, the transmission link between the terminal A and the terminal B is removed.
The beneficial effects are that: the invention improves the existing camera and light source communication device to make it have point-to-point communication function. The light source of the communication terminal is internally provided with an electro-optical converter to convert an electric signal into an optical signal and send data information to the outside in an optical form. A camera of the communication terminal is internally provided with a photoelectric detector and a photoelectric converter, and visible light signals are converted into electric signals to complete the function of receiving data information. The device can realize the data transmission and the data reception between the communication terminals with the functions of the light source flash lamp and the camera, does not depend on a third-party network, and does not need an additional data connecting line.
Drawings
Fig. 1 is a schematic structural diagram of a device for transmitting visible light data of a communication terminal according to the present invention;
FIG. 2 is a schematic diagram of a terminal LED optical built-in transceiver device provided by the present invention
FIG. 3 is a schematic diagram of data transmission between different communication terminals according to the present invention;
fig. 4 is a schematic structural diagram of a visible light duplex payment system according to an embodiment of the present invention;
FIG. 5 is a diagram illustrating a payment method initiated by a payer to a payee in accordance with an embodiment of the present invention;
FIG. 6 is a diagram illustrating a payee initiating a collection method to a payer, according to an embodiment of the invention;
FIG. 7 is a diagram illustrating a user initiating a method of transferring funds to a payment and receipt instrument in accordance with an embodiment of the present invention;
Detailed Description
Referring to fig. 1 and 2, the device of the present invention uses the light source and the camera of the communication terminal to realize data transmission. An electro-optical converter is arranged in a light source of the communication terminal to convert an electric signal into an optical signal, and data information is sent out in the form of light of the light source. The camera of the communication terminal is internally provided with a photoelectric detector and a photoelectric converter, converts an optical signal of a light source into an electric signal and completes the function of receiving data information. The device can realize the data transmission and the data reception between the communication terminals with the functions of the light source and the camera, does not depend on a third-party network, and does not need an additional data connecting line.
The following describes in detail the flow of light source optical bidirectional data transmission under the basic unidirectional data transmission condition between the communication terminal a and the terminal B equipped with the apparatus of the present invention. The data transmission diagram between different terminals is shown in fig. 3.
1. The terminal A and the terminal B are close to each other, the light source of the terminal A faces the detectable range of the camera of the terminal B, the camera of the terminal A faces the light source light coverage range of the terminal B, and position preparation work before data transmission is finished.
2. The terminal A and the terminal B respectively select a light source two-way communication function through a mobile phone operating system, and both the terminal A and the terminal B enter a sending and receiving duplex mode.
3. And the terminal A starts a light source and sends a test light signal, and the terminal B starts a camera and starts to receive the light source test light signal of the terminal A. And the terminal B judges whether the current data transmission environment of the terminal A is suitable for real-time data transmission or not through the received test optical signal, if the current data transmission environment of the terminal A is not suitable, the position and the distance between the terminal B and the terminal A are adjusted until the terminal operating system displays that the current environment is suitable for data transmission in a feedback mode, and therefore the data test mode before data transmission is finished.
4. And the terminal B starts a light source and sends a test light signal, and the terminal A starts a camera and starts to receive the light source test light signal of the terminal B. And the terminal A judges whether the current data transmission environment of the terminal B is suitable for real-time data transmission or not through the received test optical signal, if the current data transmission environment of the terminal B is not suitable, the positions and the distances of the terminal A and the terminal B are adjusted until the current environment is fed back and displayed by the terminal operating system to be suitable for data transmission, and therefore the data test mode before data transmission is finished.
5. And after the test results of the terminal A and the terminal B are qualified, keeping the current positions and distances of the terminal A and the terminal B.
6. The terminal A selects the electronic file to be sent to send to the terminal B, and the terminal B selects the file of the receiving terminal A and selects a proper storage space to store the file from the terminal A. At this time, the terminals a and B formally enter a data transmission and reception mode.
7. And the terminal B selects the electronic file to be sent to send to the terminal A, and the terminal A selects to receive the file of the terminal B and selects a proper storage space to store the file from the terminal B. At this time, the terminal B and the terminal a formally enter a data transmission and reception mode.
8. And after the files of the terminal A and the terminal B are transmitted and received correctly, the transmission link between the terminal A and the terminal B is removed.
The invention improves the existing camera and light source communication device to make it have point-to-point communication function. The light source of the communication terminal is internally provided with an electro-optical converter to convert an electric signal into an optical signal and send data information to the outside in an optical form. A camera of the communication terminal is internally provided with a photoelectric detector and a photoelectric converter, and visible light signals are converted into electric signals to complete the function of receiving data information. The device can realize the data transmission and the data reception between the communication terminals with the functions of the light source flash lamp and the camera, does not depend on a third-party network, and does not need an additional data connecting line.
Example 1:
in order to further explain the invention in detail, on the basis of the technical scheme, the following payment example between the mobile phone and the mobile phone terminal is given, so that the payment mode is realized through near-distance point-to-point visible light duplex communication, the confirmation of both parties of collection and payment can be realized under the condition of no networking, meanwhile, the point-to-point communication is safer and more reliable, the connectivity is stronger, the communication is not easy to steal, the face-to-face account transfer is realized, the identity information is easier to determine, the communication speed is faster, and no more cost is added.
The following embodiments use a mobile phone with a flash lamp, a camera or an external device as a visible light communication transmitting and receiving module.
Fig. 4 illustrates two cases of payment, one is a user transferring to a receipt and payment device, and the other is a user-to-user transfer, wherein when the user transfers to the receipt and payment device, the receipt and payment device is connected to a payment terminal through a network, and the receipt information is stored and backed up.
When the user starts transferring money, the two parties face the visible light communication module (in most cases, the mobile phone camera flash lamp module), as shown in fig. 5, one party initiates collection to the other party, and the payer confirms information such as transfer objects, money to be transferred and the like on a screen and confirms the transfer. After the payee collects the money successfully, the payer displays that the payment is successful. As shown in fig. 6, one party initiates a payment request to the other party, the payee confirms the amount of the received money on the screen, and the payer displays that the payment is successful after the payment is completed.
When the user pays for the payment receiving and paying device, the user aims the mobile phone camera flash lamp or the external visible light communication module at the visible light communication module of the payment receiving and paying instrument, as shown in fig. 7, a cashier initiates collection at a computer end, and sends a bill and money amount to the user, after the user confirms at a screen end, the cashier displays that collection is successful, and simultaneously, the information is sent to the payment terminal in a networking mode.
The duplex visible light payment system and the payment method provided by the invention comprise the following steps: a payer, a payee and a payment terminal; wherein:
the invention provides a visible light payment system and a method for initiating and receiving money transfer between mobile phones, which comprises the following steps:
step 1) a mobile phone payee initiates collection and sends identity information and collection amount to a payer point to point through visible light communication;
step 2) after receiving the information, the mobile phone payer verifies whether the amount, the user information and the like are correct by the user, selects whether to confirm payment, and sends payment information to the payee point to point by using visible light communication if selecting to confirm the collection;
step 3) after the mobile phone payee successfully collects the money, a successful money collection signal is sent to the payer through visible light communication;
the invention provides a visible light payment system and a payment method, and a payment initiating method for transfer between mobile phones, which comprises the following steps:
step 1) the mobile phone payer sends payment amount, identity information and the like point to point through visible light communication;
step 2) after the mobile phone payee receives the payment request, the related information is verified by the payee, whether to confirm the collection is selected, if the collection is selected to be confirmed, the payee sends a collection confirmation signal to the payer;
step 3) the payer completes payment through visible light communication after receiving the signal of confirming collection by the payee;
step 4) after receiving the payment signal, the payee sends a payment completion signal to the payer through optical communication;
the method for transferring the account from the mobile phone to the collection instrument of the visible light payment system and the visible light payment method provided by the invention comprises the following steps:
step 1) the payment receiving instrument initiates collection to a user through visible light communication, and sends the received amount, a bill and the like;
step 2) the user confirms payment after checking the bill through a screen, and sends confirmed payment information to the payee through visible light communication;
step 3) after the payer finishes collecting the amount, sending a payment completion signal to the payer through visible light communication;
step 4) after the payment receiving instrument sends a signal for confirming the completion of collection, the user identity of collection information and the like are sent to a payment terminal through a network and are filed and recorded;
the light source can be an LED lamp of the existing mobile phone, and can also be other elements with the function of emitting light.
According to the embodiment, the invention has the advantages that the elements of the mobile phone are utilized, the cost is not increased, the system is safer and more reliable, and the transfer payment can be completed without networking. And the visible light communication system has high speed, and the communication speed can be further improved on the premise of realizing duplex communication. The point-to-point communication is safer and is not easy to steal. The effects are shown in the following four aspects:
firstly, a new method for carrying out a payment method by utilizing visible light communication is provided, and the scheme can realize duplex communication and accelerate the payment speed.
Secondly, the communication system can realize point-to-point communication, the security is good, and the communication content is not easy to steal.
Thirdly, the payment transfer can be completed under the condition that the mobile phone is not networked by using the method, more cost is not increased, and the payment transfer is more convenient and faster and is not limited.
Fourth, through point-to-point communication, connectivity is good, and communication is more stable than network communication.
It should be noted that the above embodiments are only illustrations of the technical solutions of the present invention, and do not limit the scope of the present invention, and the technical solutions of the present invention are not only applied to mobile phones, but also can be applied to any devices with cameras and light sources. Obvious modifications made to the basic idea of the invention are all included in the scope of protection of the invention.
Claims (7)
1. A communication terminal visible light data transmission device is characterized in that: comprises a sending terminal and a receiving terminal, realizes data transmission by utilizing a light source and a camera of a communication terminal,
the transmitting terminal comprises a light source and an electro-optical converter: the method comprises the steps that an electro-optical converter is connected and arranged at the background of a light source of a communication terminal and is connected with a signal sending module of the communication terminal, electric signal data information sent by the communication terminal is converted into optical signals through the electro-optical converter, and then the data information is sent out through the light source on the communication terminal in the form of the optical signals;
the receiving terminal comprises a camera, a photoelectric detector and a photoelectric converter: a photoelectric detector and a photoelectric converter are arranged in the background of a camera of the communication terminal and are used for converting optical signals of a light source into electric signals and transmitting data information of the electric signals to a signal processing module of a mobile phone operating system to realize the receiving of the data information;
data transmission between a light source and a camera of the communication terminal is not dependent on a third-party network and is realized without an additional data connecting line;
the optical signal includes a test optical signal and a data information optical signal.
2. The visible light data transmission device of a communication terminal according to claim 1, characterized in that: the light source is an LED lamp.
3. A visible light data transmission method of a communication terminal, which is used for data transmission of the device of claim 1 or 2, and is characterized in that: the data file transmission one-way data transmission steps among different terminals are as follows:
1) the terminal A and the terminal B are close to each other in distance, the terminal A is used as a data sending end, and the terminal B is used as a data receiving end; aligning a light source of the terminal A to a camera of the terminal B to complete position preparation work before data transmission;
2) the terminal A and the terminal B respectively select a light source communication function through a mobile phone operating system, and the terminal A and the terminal B respectively enter a sending mode and a receiving mode;
3) the terminal A starts a light source and sends a test light signal, the terminal B starts a camera and starts to receive the light source test light signal of the terminal A, the terminal B judges whether the current data transmission environment of the terminal A is suitable for real-time data transmission or not according to the received test light signal, if the current data transmission environment is not suitable for real-time data transmission, the positions and the distances between the terminal B and the terminal A are adjusted until a mobile phone operating system feeds back and displays that the current environment is suitable for data transmission, and therefore a data test mode before data sending is completed;
4) after the test results of the terminal A and the terminal B are qualified, keeping the current positions and distances of the terminal A and the terminal B; the terminal A selects an electronic file to be sent to the terminal B, the terminal B selects a file of the receiving terminal A, selects a proper storage space to store the file from the terminal A, and at the moment, the terminal A and the terminal B formally enter a data sending and receiving mode;
5) after the data file of the terminal A is sent and the terminal B receives the data file completely and correctly, a transmission link between the terminal A and the terminal B is removed;
wherein the transmitting terminal comprises a light source, an electro-optical converter: the method comprises the steps that an electro-optical converter is connected and arranged at the background of a light source of a communication terminal and is connected with a signal sending module of the communication terminal, electric signal data information sent by the terminal is converted into optical signals through the electro-optical converter, and then the data information is sent out through the light source on the terminal in the form of the optical signals;
receiving terminal includes camera, photoelectric detector, photoelectric converter: a photoelectric detector and a photoelectric converter are arranged in the background of a camera of the communication terminal and used for converting optical signals of a light source into electric signals and transmitting data information of the electric signals to a signal processing module of a mobile phone operating system to realize the receiving of the data information.
4. The visible light data transmission method of the communication terminal according to claim 3, characterized in that: the data transmission is realized by a mobile phone and comprises a mobile phone payer, a mobile phone payee and a payment receiving instrument, wherein the communication of the payment receiving party is completed by point-to-point visible light communication.
5. The visible light data transmission method of the communication terminal according to claim 4, wherein: the mobile phone paying party and the mobile phone collecting party comprise a light source, a visible light data processing system in the mobile phone, a camera and a control unit, wherein: the system comprises a light source, a mobile phone flash lamp and a sending terminal, wherein the light source is used as the sending terminal; a visible light data processing system in the mobile phone, namely a coding and modulation module; a camera serving as a receiving terminal; and the control unit determines the selection of the light source, and the identity confirmation and the collection verification of the user by using the control module.
6. The visible light data transmission method of the communication terminal according to claim 5, wherein: the control unit comprises a mobile phone payer control unit, a mobile phone payee control unit and a payment receiving instrument, and the control mode comprises the following steps:
wherein mobile payment side control unit: when a user sends a payment command from a screen, the communication module is aligned to a payee, identity verification information is sent, and after a signal for confirming collection by the payee is received, payment information begins to be sent; when receiving a payment receiving request, sending a payment confirmation signal after the user verifies the amount and the transfer user information;
wherein the mobile phone payee control unit: after receiving the payment information, the user sends payment confirmation information to the mobile phone after confirming the payment through the mobile phone screen, and after the payment is finished, the payment party sends payment completion information to the payment party; if the payee initiates collection, a collection request is sent to the payer, and the payer sends payment completion information to the payer after confirming payment;
wherein the payment and receipt instrument: the mobile phone payee control unit is connected with a company or shop network through a wired network, can store a payment record and can be controlled through a cash register.
7. The visible light data transmission method of the communication terminal according to any one of claims 3 to 6, wherein: the mobile phone is provided with a camera and a flash lamp, and the visible light communication system on the payment instrument is utilized to realize duplex communication in the payment process through visible light communication.
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| CN1992572B (en) * | 2005-12-31 | 2012-02-15 | 北京畅通达通信技术有限公司 | Method and apparatus for multiplexing from low-speed light port to 2M transmission line and protection switching |
| CN103116846A (en) * | 2012-12-27 | 2013-05-22 | 重庆濯晖科技有限公司 | Mobile payment based on visible light communications |
| CN103501191B (en) * | 2013-08-21 | 2016-03-30 | 王越 | A kind of mobile payment device based on NFC technology and method thereof |
| CN103490812B (en) * | 2013-09-16 | 2016-01-20 | 北京航空航天大学 | Based on mobile phone near field communication system and the method for visible ray |
| CN103996116A (en) * | 2014-04-21 | 2014-08-20 | 北京邮电大学 | Mobile payment system and method based on visible light communication technology |
| CN104992326B (en) * | 2015-05-08 | 2019-04-09 | 邹骁 | A kind of self-service consumption system, method and relevant device |
| CN105429703A (en) * | 2015-10-22 | 2016-03-23 | 武汉邮电科学研究院 | Mobile terminal interaction system and method based on visible light communication |
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