CN105634596B - A kind of underwater visible light communication system and method - Google Patents
A kind of underwater visible light communication system and method Download PDFInfo
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- CN105634596B CN105634596B CN201610049324.3A CN201610049324A CN105634596B CN 105634596 B CN105634596 B CN 105634596B CN 201610049324 A CN201610049324 A CN 201610049324A CN 105634596 B CN105634596 B CN 105634596B
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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
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/06—Non-electrical signal transmission systems, e.g. optical systems through light guides, e.g. optical fibres
Abstract
This application provides a kind of underwater visible light communication system and method, underwater visible light communication system includes：Underwater unmanned robot, underwater backbone network node device and multiple and different underwater sensors；Underwater backbone network node device is communicatively coupled respectively with each underwater sensor by fiber optic communication；Underwater unmanned robot is communicatively coupled with underwater backbone network node device by visible light wireless communication.In this application, due to visible light wireless communication influenced by underwater environment it is small, it can be seen that the underwater transmission rate of light wireless communication is relatively high, therefore the information acquisition efficiency of underwater unmanned robot is improved, the promptness of bank base station is fed back to so as to improve underwater unmanned robot by underwater information.
Description
Technical field
This application involves the communications field, more particularly to a kind of underwater visible light communication system and method.
Background technology
It is pre- that underwater sensor network system is mainly used in Marine Sciences data collection, pollution monitoring, offshore exploration, disaster
Anti-, assisting navigation, undersea surveillance etc..At present, underwater sensor network system is by underwater unmanned robot and underwater wireless
Sensor forms, and is connected under water between unmanned robot and underwater wireless sensor by wireless communication, underwater unmanned robot
The underwater information got from underwater wireless sensor is forwarded to bank base station, realizes the monitoring to underwater information.
Wherein, it is underwater to be connected between unmanned robot and underwater wireless sensor especially by sound wave wireless communication, still
Due to the particularity of underwater environment, transmission speed is low under water for sound wave wireless communication, and the information of underwater unmanned robot is caused to obtain
Take efficiency low.
The content of the invention
In order to solve the above technical problems, the embodiment of the present application provides a kind of underwater visible light communication system and method, to reach
To the information acquisition efficiency for improving underwater unmanned robot, underwater information is fed back into bank so as to improve underwater unmanned robot
The purpose of the promptness of base station, technical solution are as follows：
A kind of underwater visible light communication system, including：Underwater unmanned robot, underwater backbone network node device and multiple
Different underwater sensors；
The underwater backbone network node device is communicated respectively with each underwater sensor by fiber optic communication
Connection；
The underwater unmanned robot is led to the underwater backbone network node device by visible light wireless communication
Letter connection；
The underwater unmanned robot is instructed for sending task distribution to the underwater backbone network node device, with
And send information gathering and instruct to the underwater backbone network node device, and receive the underwater backbone network node device pin
To the information for each underwater sensor acquisition that described information acquisition instructions are sent；
The underwater backbone network node device, for task distribution instruction to be forwarded to corresponding underwater sensing
Device and the information for obtaining each underwater sensor acquisition, and when receiving described information acquisition instructions, by each institute
The information for stating underwater sensor acquisition is sent to the underwater unmanned robot；
The underwater sensor, for gathering underwater information.
Preferably, the underwater backbone network node device is specifically used for each underwater sensor acquisition of timing acquisition
Information.
Preferably, the underwater unmanned robot includes：First VISIBLE LIGHT EMISSION device, the first visible optical pickup apparatus,
First driving circuit and the first receiving circuit；
First driving circuit, for the electric signal for characterizing the task distribution instruction to be converted to the first optical signal,
And the electric signal for characterizing described information acquisition instructions is converted into the second optical signal；
The first VISIBLE LIGHT EMISSION device, for by first optical signal and second optical signal launch to described
Underwater backbone network node device；
The first visible optical pickup apparatus, for receiving the 3rd of the information of each underwater sensor acquisition of characterization the
Optical signal；
First receiving circuit, for the 3rd optical signal to be converted to electric signal；
The underwater backbone network node device includes：Second VISIBLE LIGHT EMISSION device, the second visible optical pickup apparatus,
Two driving circuits and the second receiving circuit；
Second driving circuit, for the electric signal for characterizing the information of each underwater sensor acquisition to be converted to
3rd optical signal；
The second VISIBLE LIGHT EMISSION device, for by the 3rd optical signal launch to the underwater unmanned robot；
The second visible optical pickup apparatus, for receiving first optical signal and second optical signal；
Second receiving circuit, for first optical signal conversion and second optical signal to be respectively converted into electricity
Signal.
Preferably, the first VISIBLE LIGHT EMISSION device and the second VISIBLE LIGHT EMISSION device are light emitting diode
LED light；
The first visible optical pickup apparatus and the second visible optical pickup apparatus are photodetector.
A kind of underwater visible light communication method, based on underwater visible light communication system, the underwater visible light communication system
Including：Underwater unmanned robot, underwater backbone network node device and multiple and different underwater sensors, the underwater backbone network
Network node device is communicatively coupled respectively with each underwater sensor by fiber optic communication, the underwater unmanned robot
It is communicatively coupled with the underwater backbone network node device by visible light wireless communication, the described method includes：
The underwater backbone network node device receives the task distribution instruction that the underwater unmanned machine human hair is sent, and will
The task distribution instruction is forwarded to corresponding underwater sensor；
The underwater backbone network node device obtains the information of each underwater sensor acquisition；
The underwater backbone network node device is receiving the information gathering instruction that unmanned machine human hair is sent described under water
When, the information of each underwater sensor acquisition is sent to the underwater unmanned robot.
Preferably, the underwater backbone network node device obtains the information that each underwater sensor gathers and includes：
The information of each underwater sensor acquisition of underwater backbone network node device timing acquisition.
Preferably, the underwater backbone network node device receives the task distribution that the underwater unmanned machine human hair is sent and refers to
The process of order, including：
The underwater backbone network node device receives the first optical signal for characterizing the task distribution instruction；
First optical signal is converted to the characterization task distribution instruction by the underwater backbone network node device
Electric signal.
Preferably, the underwater backbone network node device is adopted receiving the information that the underwater unmanned machine human hair send
During collection instruction, the information of each underwater sensor acquisition is sent to the process of the underwater unmanned robot, including：
The underwater backbone network node device is receiving the information gathering instruction that unmanned machine human hair is sent described under water
When, the electric signal for the information for characterizing each underwater sensor acquisition is converted into the 3rd optical signal；
3rd optical signal is sent to the underwater unmanned robot by the underwater backbone network node device.
Compared with prior art, the application has the beneficial effect that：
In this application, underwater backbone network node device obtains the letter of each underwater sensor acquisition by fiber optic communication
Breath, for underwater backbone network node device after the signal of each underwater sensor acquisition is got, underwater unmanned robot can be with
The information that each underwater sensor sent by the underwater backbone network node device of visible ray wireless communication receiver gathers.
Due to visible light wireless communication influenced by underwater environment it is small, it is seen that the underwater transmission rate phase of light wireless communication
To higher, therefore the information acquisition efficiency of underwater unmanned robot is improved, it will be underwater so as to improve underwater unmanned robot
Information feeds back to the promptness of bank base station.
Description of the drawings
In order to illustrate more clearly of the technical solution in the embodiment of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present application, for
For those of ordinary skill in the art, without having to pay creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is a kind of logical construction schematic diagram for the underwater visible light communication system that the application provides；
Fig. 2 is a kind of logical construction schematic diagram for the underwater unmanned robot that the application provides；
Fig. 3 is a kind of logical construction schematic diagram for the underwater backbone network node device that the application provides；
Fig. 4 is a kind of operating diagram for the underwater visible light communication system that the application provides；
Fig. 5 is a kind of flow chart for the underwater visible light communication method that the application provides；
Fig. 6 is a kind of sub-process figure for the underwater visible light communication method that the application provides；
Fig. 7 is another sub-process figure for the underwater visible light communication method that the application provides.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, the technical solution in the embodiment of the present application is carried out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall in the protection scope of this application.
Embodiment one
Refer to Fig. 1, it illustrates the application provide underwater visible light communication system a kind of logical construction schematic diagram,
Underwater visible light communication system includes：Underwater unmanned robot 11, underwater backbone network node device 12 and multiple and different water
Lower sensor.
The underwater backbone network node device 12 is led to respectively with each underwater sensor by fiber optic communication
Letter connection.
In the present embodiment, it is not required autonomous that can gather peripheral information due to laying underwater sensor, because
Underwater sensor is connected to underwater backbone network node device 12 by this using optical fiber, realizes underwater backbone network node device 12
It is communicatively coupled respectively with each underwater sensor by fiber optic communication.Optical fiber transmission is influenced small, water by underwater environment
The rate of information throughput between lower sensor and underwater backbone network node device 12 is high, and interference is small, and underwater sensor is not
It needs to carry out wireless communication again, reduces the complexity of underwater sensor.
The underwater unmanned robot 11 and the underwater backbone network node device 12 by visible light wireless communication into
Row communication connection.
The underwater unmanned robot 11, for sending task distribution instruction to the underwater backbone network node device
It 12 and sends information gathering and instructs to the underwater backbone network node device 12, and receive the underwater backbone network section
The information for each underwater sensor acquisition that point device 12 is sent for described information acquisition instructions.
In the present embodiment, when staff needs to gather the information of water-bed each underwater sensor, can send with charge free underwater
Unmanned robot 11 dives into the water, and underwater unmanned robot 11 establishes visible ray channel radio with underwater backbone network node device 12
Letter, and task distribution instruction is sent by underwater unmanned robot 11, task distribution is carried out to corresponding underwater sensor.
The underwater backbone network node device 12, for task distribution instruction to be forwarded to corresponding underwater sensing
Device and the information for obtaining each underwater sensor acquisition, and when receiving described information acquisition instructions, by each institute
The information for stating underwater sensor acquisition is sent to the underwater unmanned robot 11；
The underwater sensor, for gathering underwater information.
In the present embodiment, the underwater sensor for receiving task distribution instruction is then accordingly appointed according to task distribution instruction
The execution of business.
In this application, underwater backbone network node device 12 obtains what each underwater sensor gathered by fiber optic communication
Information, underwater backbone network node device 12 is after the signal of each underwater sensor acquisition is got, underwater unmanned robot
What the 11 each underwater sensors that can be sent by the underwater backbone network node device 12 of visible ray wireless communication receiver gathered
Information.
Due to visible light wireless communication influenced by underwater environment it is small, it is seen that the underwater transmission rate phase of light wireless communication
To higher, therefore the information acquisition efficiency of underwater unmanned robot 11 is improved, it will so as to improve underwater unmanned robot 11
Underwater information feeds back to the promptness of bank base station.
Further, in the present embodiment, it is each specifically to can be used for timing acquisition for underwater backbone network node device 12
The information of underwater sensor acquisition, under water backbone network node device 12 obtain the information of each underwater sensor acquisition
Afterwards, underwater unmanned 11 needs of robot directly carry out visible light wireless communication with underwater backbone network node device 12, receive
The information for each underwater sensor acquisition that underwater backbone network node device 12 is sent, it is no longer necessary to respectively with each underwater biography
Sensor establishes wireless connection, shortens the total time of acquisition of information, further improves the efficiency of acquisition of information, improves underwater
Underwater information is fed back to the promptness of bank base station by unmanned robot 11.
In the present embodiment, underwater backbone network node device 12 specifically can be used for each underwater biography of timing acquisition
The information of sensor acquisition.
In above-mentioned underwater visible light communication system, underwater unmanned robot 11 specifically includes：First VISIBLE LIGHT EMISSION fills
The 111, first visible optical pickup apparatus 112, the first driving circuit 113 and the first receiving circuit 114 are put, as shown in Figure 2.
First driving circuit 113, for the electric signal for characterizing the task distribution instruction to be converted to the first light letter
Number and by characterize described information acquisition instructions electric signal be converted to the second optical signal.
The first VISIBLE LIGHT EMISSION device 111, for by first optical signal and second optical signal launch extremely
The underwater backbone network node device 12.
In the present embodiment, the first VISIBLE LIGHT EMISSION device 111 is specifically as follows LED (light emitting diode, Light-
Emitting Diode) lamp.
The first visible optical pickup apparatus 112, for receiving the information of each underwater sensor acquisition of characterization
3rd optical signal.
In the present embodiment, the first visible optical pickup apparatus 112 is specifically as follows photodetector.
First receiving circuit 114, for the 3rd optical signal to be converted to electric signal.
In above-mentioned underwater visible light communication system, underwater backbone network node device 12 includes：Second VISIBLE LIGHT EMISSION
Device 121, the second visible optical pickup apparatus 122, the second driving circuit 123 and the second receiving circuit 124, as shown in Figure 3.
Second driving circuit 123, the electric signal for that will characterize the information of each underwater sensor acquisition turn
It is changed to the 3rd optical signal.
The second VISIBLE LIGHT EMISSION device 121, for by the 3rd optical signal launch to the underwater unmanned machine
People 11.
Wherein, the second VISIBLE LIGHT EMISSION device 121 is specifically as follows LED light.
The second visible optical pickup apparatus 122, for receiving first optical signal and second optical signal.
Wherein, the second visible optical pickup apparatus 122 is specifically as follows photodetector.
Second receiving circuit 124, for first optical signal conversion and second optical signal to be converted respectively
For electric signal.
Fig. 4 is referred to, it illustrates a kind of operating diagrams of underwater visible light communication system.As shown in figure 4, underwater nothing
It is communicatively coupled between robot people 11 and underwater backbone network node device 12 by visible light wireless communication, underwater backbone
Apparatus for network node 12 is communicatively coupled with each underwater sensor by fiber optic communication, the LED of underwater unmanned robot 11
Lamp is responsible for sending optical signal, and the photodetector of underwater unmanned robot 11, which is responsible for receiving underwater backbone network node device 12, to be sent out
The optical signal sent, the LED light of underwater backbone network node device 12 are responsible for sending optical signal, underwater backbone network node device 12
Photodetector be responsible for receiving the optical signal that underwater unmanned robot 11 is sent.
Embodiment two
Present embodiments provide a kind of underwater visible light communication method, the underwater visible light communication shown in based on embodiment one
System refers to Fig. 5, it illustrates the application provide underwater visible light communication method a kind of flow chart, can include with
Lower step：
Step S51：Underwater backbone network node device receives the task distribution instruction that the underwater unmanned machine human hair is sent,
And task distribution instruction is forwarded to corresponding underwater sensor.
Step S52：Underwater backbone network node device obtains the information of each underwater sensor acquisition.
In the present embodiment, it is specific to obtain the information that each underwater sensor gathers for underwater backbone network node device
Can be the information of each underwater sensor acquisition of underwater backbone network node device timing acquisition.
Step S53：Underwater backbone network node device is receiving the information gathering that unmanned machine human hair is sent under water
During instruction, the information of each underwater sensor acquisition is sent to the underwater unmanned robot.
In the present embodiment, underwater backbone network node device receives the task distribution that the underwater unmanned machine human hair is sent
The process of instruction specifically may refer to Fig. 6, may comprise steps of：
Step S61：Underwater backbone network node device receives the first optical signal for characterizing the task distribution instruction.
Step S62：First optical signal is converted to the characterization task distribution and referred to by underwater backbone network node device
The electric signal of order.
In the present embodiment, underwater backbone network node device is receiving the information that unmanned machine human hair is sent under water
During acquisition instructions, the process that the information of each underwater sensor acquisition is sent to the underwater unmanned robot specifically may be used
Referring to Fig. 7, may comprise steps of：
Step S71：Underwater backbone network node device is receiving the information gathering that unmanned machine human hair is sent under water
During instruction, the electric signal for the information for characterizing each underwater sensor acquisition is converted into the 3rd optical signal.
Step S72：3rd optical signal is sent to the underwater unmanned robot by underwater backbone network node device.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation is all difference from other examples, and just to refer each other for identical similar part between each embodiment.
For device class embodiment, since it is basicly similar to embodiment of the method, so description is fairly simple, related part ginseng
See the part explanation of embodiment of the method.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only include that
A little elements, but also including other elements that are not explicitly listed or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except also there are other identical elements in the process, method, article or apparatus that includes the element.
A kind of underwater visible light communication system provided herein and method are described in detail above, herein
Applying specific case, the principle and implementation of this application are described, and the explanation of above example is only intended to help
Understand the present processes and its core concept；Meanwhile for those of ordinary skill in the art, according to the thought of the application,
There will be changes in specific embodiments and applications, in conclusion this specification content should not be construed as to this
The limitation of application.
Claims (6)
1. a kind of underwater visible light communication system, which is characterized in that including：Underwater unmanned robot, underwater backbone network node
Equipment and multiple and different underwater sensors；
The underwater backbone network node device is communicatively coupled respectively with each underwater sensor by fiber optic communication；
The underwater unmanned robot carries out communication link with the underwater backbone network node device by visible light wireless communication
It connects；
The underwater unmanned robot, for sending task distribution instruction to the underwater backbone network node device, Yi Jifa
Breath acquisition instructions of delivering letters receive the underwater backbone network node device for institute to the underwater backbone network node device
State the information for each underwater sensor acquisition that information gathering instruction is sent；
The underwater backbone network node device, for task distribution instruction to be forwarded to corresponding underwater sensor, with
And the information of each underwater sensor acquisition of timing acquisition, and when receiving described information acquisition instructions, by each institute
The information for stating underwater sensor acquisition is sent to the underwater unmanned robot；
The underwater sensor, for gathering underwater information.
2. system according to claim 1, which is characterized in that the underwater unmanned robot includes：First visible ray is sent out
Injection device, the first visible optical pickup apparatus, the first driving circuit and the first receiving circuit；
First driving circuit, the electric signal for task distribution instruction will to be characterized be converted to the first optical signal and
The electric signal for characterizing described information acquisition instructions is converted into the second optical signal；
The first VISIBLE LIGHT EMISSION device, for by first optical signal and second optical signal launch to described underwater
Backbone network node device；
The first visible optical pickup apparatus, for receiving the 3rd light letter of the information of each underwater sensor acquisition of characterization
Number；
First receiving circuit, for the 3rd optical signal to be converted to electric signal；
The underwater backbone network node device includes：Second VISIBLE LIGHT EMISSION device, the second visible optical pickup apparatus, second drive
Dynamic circuit and the second receiving circuit；
Second driving circuit, it is described for the electric signal for characterizing the information of each underwater sensor acquisition to be converted to
3rd optical signal；
The second VISIBLE LIGHT EMISSION device, for by the 3rd optical signal launch to the underwater unmanned robot；
The second visible optical pickup apparatus, for receiving first optical signal and second optical signal；
Second receiving circuit, for first optical signal and second optical signal to be respectively converted into electric signal.
3. system according to claim 2, which is characterized in that the first VISIBLE LIGHT EMISSION device and described second visible
Light emitting devices is LED lamp；
The first visible optical pickup apparatus and the second visible optical pickup apparatus are photodetector.
A kind of 4. underwater visible light communication method, which is characterized in that based on underwater visible light communication system, the underwater visible ray
Communication system includes：Underwater unmanned robot, underwater backbone network node device and multiple and different underwater sensors, the water
Lower backbone apparatus for network node is communicatively coupled respectively with each underwater sensor by fiber optic communication, the underwater nothing
Robot people is communicatively coupled with the underwater backbone network node device by visible light wireless communication, the method bag
It includes：
The underwater backbone network node device receives the task distribution instruction that the underwater unmanned machine human hair is sent, and by described in
Task distribution instruction is forwarded to corresponding underwater sensor；
The information of each underwater sensor acquisition of underwater backbone network node device timing acquisition；
The underwater backbone network node device, will when receiving the information gathering instruction that the underwater unmanned machine human hair is sent
The information of each underwater sensor acquisition is sent to the underwater unmanned robot.
5. according to the method described in claim 4, it is characterized in that, the underwater backbone network node device reception is described underwater
The process for the task distribution instruction that unmanned machine human hair is sent, including：
The underwater backbone network node device receives the first optical signal for characterizing the task distribution instruction；
First optical signal is converted to the telecommunications for characterizing the task distribution instruction by the underwater backbone network node device
Number.
6. according to the method described in claim 4, it is characterized in that, the underwater backbone network node device receive it is described
During the information gathering instruction that underwater unmanned machine human hair is sent, the information of each underwater sensor acquisition is sent to the water
The process of unmanned robot down, including：
The underwater backbone network node device, will when receiving the information gathering instruction that the underwater unmanned machine human hair is sent
The electric signal for characterizing the information of each underwater sensor acquisition is converted to the 3rd optical signal；
3rd optical signal is sent to the underwater unmanned robot by the underwater backbone network node device.
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| CN107240244A (en) * | 2017-07-11 | 2017-10-10 | 北京智芯微电子科技有限公司 | A kind of passive data acquisition terminal, optical controller and system |
| CN107453811B (en) * | 2017-08-23 | 2019-12-03 | 佛山市南海区广工大数控装备协同创新研究院 | A method of the unmanned plane based on photopic vision communication cooperates with SLAM |
| CN107528634A (en) * | 2017-09-06 | 2017-12-29 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Underwater blue light communicator and system, underwater moving target tracking |
| CN108196451B (en) * | 2017-12-29 | 2021-01-22 | 中国电子科技集团公司信息科学研究院 | Bionic fish swarm obstacle avoidance behavior control method |
| CN109100989A (en) * | 2018-08-31 | 2018-12-28 | 深圳前海达闼云端智能科技有限公司 | Robot control method, device, medium and electronic equipment |
| CN109471452A (en) * | 2018-10-09 | 2019-03-15 | 国电南瑞科技股份有限公司 | Remote engineering and geological disaster safety monitoring system and method based on unmanned plane |
| CN109617606A (en) * | 2018-12-18 | 2019-04-12 | 林育东 | A kind of optical fiber bidirectional Transmission system adapting to marine environment |
| CN110113110B (en) * | 2019-04-02 | 2022-02-11 | 南京邮电大学 | Underwater visible light communication device |
| CN110127009B (en) * | 2019-05-08 | 2020-04-10 | 北京航天控制仪器研究所 | Cableless communication underwater vehicle |
| CN110510085A (en) * | 2019-08-01 | 2019-11-29 | 华南理工大学 | A kind of underwater robot based on visible light communication |
| CN110581736A (en) * | 2019-09-25 | 2019-12-17 | 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) | Light-weight long-distance underwater LED wireless optical communication transmission system |
| CN113285765B (en) * | 2021-07-20 | 2021-10-15 | 深之蓝海洋科技股份有限公司 | Underwater robot communication method, electronic equipment and underwater robot |
| CN114024602B (en) * | 2021-11-18 | 2023-03-24 | 华中科技大学鄂州工业技术研究院 | Underwater wireless optical communication system and method |
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