CN105634596A - Underwater visible light communication system and method - Google Patents
Underwater visible light communication system and method Download PDFInfo
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- CN105634596A CN105634596A CN201610049324.3A CN201610049324A CN105634596A CN 105634596 A CN105634596 A CN 105634596A CN 201610049324 A CN201610049324 A CN 201610049324A CN 105634596 A CN105634596 A CN 105634596A
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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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- 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
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Abstract
The application provides an underwater visible light communication system and method. The underwater visible light communication system comprises an underwater unmanned robot, an underwater backbone network node device and multiple different underwater sensors, wherein the underwater backbone network node device is respectively in communication with each underwater sensor through optical fiber communication; the underwater unmanned robot is in communication with the underwater backbone network node device through visible light wireless communication. According to the underwater visible light communication system and method, influence of the visible light wireless communication due to underwater environment is small, and underwater transmission rate of the visible light wireless communication is relatively higher, so that information acquisition efficiency of the underwater unmanned robot is improved, and the timeliness of feeding back underwater information to a shore-side base station by the underwater unmanned robot is also improved.
Description
Technical field
The application relates to the communications field, particularly to one visible light communication system under water and method.
Background technology
Underwater sensor network system is mainly used in the aspects such as Marine Sciences data collection, pollution monitoring, offshore exploration, disaster prevention, assisting navigation, undersea surveillance. At present, underwater sensor network system is made up of unmanned robot and underwater wireless sensor under water, it is connected by radio communication between unmanned robot and underwater wireless sensor under water, the underwater information got from underwater wireless sensor is forwarded to base station, bank by unmanned robot under water, it is achieved the monitoring to underwater information.
Wherein, it is connected especially by sound wave radio communication between unmanned robot and underwater wireless sensor under water, but due to the particularity of underwater environment, sound wave radio communication transmission speed under water is low, cause that the information acquisition efficiency of unmanned robot under water is low.
Summary of the invention
For solving above-mentioned technical problem, the embodiment of the present application provides one visible light communication system under water and method, to reach to improve the information acquisition efficiency of unmanned robot under water, thus improving unmanned robot under water underwater information feeds back to the purpose of the promptness of base station, bank, technical scheme is as follows:
One is visible light communication system under water, including: unmanned robot, under water backbone network node device and multiple different underwater sensor under water;
The described node device of backbone network under water is communicatively coupled by fiber optic communication with underwater sensor each described respectively;
Described unmanned robot under water and the described node device of backbone network under water are communicatively coupled by visible ray radio communication;
Described unmanned robot under water, for sending task distribution instruction extremely described backbone network node device under water, and send information gathering instruction to described backbone network node device under water, and the information that described in reception, backbone network node device gathers for each described underwater sensor that described information gathering instruction sends under water;
Described backbone network node device under water, it is forwarded to corresponding underwater sensor for distributing instruction by described task, and obtain the information that each described underwater sensor gathers, and when receiving described information gathering instruction, the information gathered by each described underwater sensor sends to described unmanned robot under water;
Described underwater sensor, is used for gathering underwater information.
Preferably, the information that the described node device of backbone network under water gathers specifically for each described underwater sensor of timing acquisition.
Preferably, described unmanned robot under water includes: the first VISIBLE LIGHT EMISSION device, the first visible optical pickup apparatus, the first drive circuit and first receive circuit;
Described first drive circuit, for the signal of telecommunication characterizing the distribution instruction of described task is converted to the first optical signal, and is converted to the second optical signal by the signal of telecommunication characterizing described information gathering instruction;
Described first VISIBLE LIGHT EMISSION device, for by described first optical signal and described second optical signal launch extremely described backbone network node device under water;
Described first visible optical pickup apparatus, for receiving the 3rd optical signal characterizing the information that each described underwater sensor gathers;
Described first receives circuit, for described 3rd optical signal is converted to the signal of telecommunication;
The described node device of backbone network under water includes: the second VISIBLE LIGHT EMISSION device, the second visible optical pickup apparatus, the second drive circuit and second receive circuit;
Described second drive circuit, for being converted to described 3rd optical signal by the signal of telecommunication of the information characterizing each described underwater sensor collection;
Described second VISIBLE LIGHT EMISSION device, for by described 3rd optical signal launch to described unmanned robot under water;
Described second visible optical pickup apparatus, is used for receiving described first optical signal and described second optical signal;
Described second receives circuit, for described first optical signal conversion and described second optical signal are respectively converted into the signal of telecommunication.
Preferably, described first VISIBLE LIGHT EMISSION device and described second VISIBLE LIGHT EMISSION device are LED lamp;
Described first visible optical pickup apparatus and the described second visible optical pickup apparatus are photodetector.
One is visible light communication method under water, based on visible light communication system under water, described visible light communication system under water includes: unmanned robot, under water backbone network node device and multiple different underwater sensor under water, the described node device of backbone network under water is communicatively coupled by fiber optic communication with underwater sensor each described respectively, described unmanned robot under water and the described node device of backbone network under water are communicatively coupled by visible ray radio communication, and described method includes:
The task distribution instruction that described in the reception of the described node device of backbone network under water, unmanned machine Crinis Carbonisatus send under water, and the distribution instruction of described task is forwarded to corresponding underwater sensor;
The described node device of backbone network under water obtains the information that each described underwater sensor gathers;
The described node device of backbone network under water is when the information gathering instruction that described in receiving, unmanned machine Crinis Carbonisatus send under water, and the information gathered by each described underwater sensor sends to described unmanned robot under water.
Preferably, the information that the described node device of backbone network under water obtains each described underwater sensor collection includes:
The information that described each described underwater sensor of the node device timing acquisition of backbone network under water gathers.
Preferably, the process of the task distribution instruction that described in the reception of the described node device of backbone network under water, unmanned machine Crinis Carbonisatus send under water, including:
The described node device of backbone network under water receives the first optical signal characterizing the distribution instruction of described task;
Described first optical signal is converted to the signal of telecommunication characterizing the distribution instruction of described task by the described node device of backbone network under water.
Preferably, the described node device of backbone network under water is when the information gathering instruction that described in receiving, unmanned machine Crinis Carbonisatus send under water, and the information gathered by each described underwater sensor sends the process to described unmanned robot under water, including:
The signal of telecommunication characterizing the information of each described underwater sensor collection, when the information gathering instruction that described in receiving, unmanned machine Crinis Carbonisatus send under water, is converted to described 3rd optical signal by the described node device of backbone network under water;
Described 3rd optical signal is sent to described unmanned robot under water by the described node device of backbone network under water.
Compared with prior art, the having the beneficial effect that of the application
In this application, backbone network node device obtains, by fiber optic communication, the information that each underwater sensor gathers under water, backbone network node device is after getting the signal that each underwater sensor gathers under water, and unmanned robot can pass through the information of each underwater sensor collection that visible ray wireless communication receiver backbone network node device under water sends under water.
Owing to visible ray radio communication is little by the impact of underwater environment, the underwater transfer rate of visible ray radio communication is of a relatively high, therefore improve the information acquisition efficiency of unmanned robot under water, thus improve unmanned robot under water underwater information is fed back to the promptness of base station, bank.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in the embodiment of the present application, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of logical structure schematic diagram of the visible light communication system under water that the application provides;
Fig. 2 is a kind of logical structure schematic diagram of the unmanned under water robot that the application provides;
Fig. 3 is a kind of logical structure schematic diagram of the node device of backbone network under water that the application provides;
Fig. 4 is a kind of operating diagram of the visible light communication system under water that the application provides;
Fig. 5 is a kind of flow chart of the method for visible light communication under water that the application provides;
Fig. 6 is a kind of sub-process figure of the method for visible light communication under water that the application provides;
Fig. 7 is the another kind of sub-process figure of the method for visible light communication under water that the application provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described embodiment is only some embodiments of the present application, rather than whole embodiments. Based on the embodiment in the application, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of the application protection.
Embodiment one
Referring to Fig. 1, it illustrates a kind of logical structure schematic diagram of the visible light communication system under water that the application provides, visible light communication system includes under water: unmanned robot 11, under water backbone network node device 12 and multiple different underwater sensor under water.
The described node device of backbone network under water 12 is communicatively coupled by fiber optic communication with underwater sensor each described respectively.
In the present embodiment, peripheral information need not can be gathered by autonomous owing to laying underwater sensor, therefore use optical fiber that underwater sensor is connected to backbone network node device 12 under water, it is achieved backbone network node device 12 is communicatively coupled by fiber optic communication with underwater sensor each described respectively under water. Fiber-optic transfer is affected little by underwater environment, and underwater sensor and the under water rate of information throughput between backbone network node device 12 are high, disturb little, and underwater sensor is no longer necessary to carry out radio communication, reduces the complexity of underwater sensor.
Described unmanned robot 11 under water is communicatively coupled by visible ray radio communication with the described node device of backbone network under water 12.
Described unmanned robot 11 under water, for sending the task distribution instruction extremely described node device of backbone network under water 12, and send information gathering instruction to the described node device of backbone network under water 12, and the information that described in reception, backbone network node device 12 gathers for each described underwater sensor that described information gathering instruction sends under water.
In the present embodiment, when staff needs the information gathering each underwater sensor water-bed, unmanned robot 11 under water can be sent with charge free dive into the water, unmanned robot 11 sets up visible ray radio communication with backbone network node device 12 under water under water, and sent task distribution instruction by unmanned robot 11 under water, corresponding underwater sensor is carried out task distribution.
The described node device of backbone network under water 12, it is forwarded to corresponding underwater sensor for distributing instruction by described task, and obtain the information that each described underwater sensor gathers, and when receiving described information gathering instruction, the information gathered by each described underwater sensor sends to described unmanned robot 11 under water;
Described underwater sensor, is used for gathering underwater information.
In the present embodiment, the underwater sensor receiving task distribution instruction then distributes, according to task, the execution that instruction carries out corresponding task.
In this application, backbone network node device 12 obtains, by fiber optic communication, the information that each underwater sensor gathers under water, backbone network node device 12 is after getting the signal that each underwater sensor gathers under water, and unmanned robot 11 can pass through the information of each underwater sensor collection that visible ray wireless communication receiver backbone network node device 12 under water sends under water.
Owing to visible ray radio communication is little by the impact of underwater environment, the underwater transfer rate of visible ray radio communication is of a relatively high, therefore improve the information acquisition efficiency of unmanned robot 11 under water, thus improve unmanned robot 11 under water underwater information is fed back to the promptness of base station, bank.
Further, in the present embodiment, backbone network node device 12 specifically may be used for the information that each described underwater sensor of timing acquisition gathers under water, after backbone network node device 12 obtains the information that each underwater sensor gathers under water, unmanned robot 11 has only to directly carry out visible ray radio communication with backbone network node device 12 under water under water, receive the information that each underwater sensor that backbone network node device 12 sends under water gathers, it is no longer necessary to set up wireless connections with each underwater sensor respectively, shorten the total time of acquisition of information, further increase the efficiency of acquisition of information, improve unmanned robot 11 under water and underwater information is fed back to the promptness of base station, bank.
In the present embodiment, backbone network node device 12 specifically may be used for the information that each described underwater sensor of timing acquisition gathers under water.
In above-mentioned visible light communication system under water, unmanned robot 11 specifically includes under water: the first visible optical pickup apparatus the 112, first drive circuit 113 and first of VISIBLE LIGHT EMISSION device 111, first receives circuit 114, as shown in Figure 2.
Described first drive circuit 113, for the signal of telecommunication characterizing the distribution instruction of described task is converted to the first optical signal, and is converted to the second optical signal by the signal of telecommunication characterizing described information gathering instruction.
Described first VISIBLE LIGHT EMISSION device 111, for by described first optical signal and the described second optical signal launch extremely described node device of backbone network under water 12.
In the present embodiment, the first VISIBLE LIGHT EMISSION device 111 is specifically as follows LED (light emitting diode, Light-EmittingDiode) lamp.
Described first visible optical pickup apparatus 112, for receiving the 3rd optical signal characterizing the information that each described underwater sensor gathers.
In the present embodiment, the first visible optical pickup apparatus 112 is specifically as follows photodetector.
Described first receives circuit 114, for described 3rd optical signal is converted to the signal of telecommunication.
In above-mentioned visible light communication system under water, backbone network node device 12 includes under water: the second visible optical pickup apparatus the 122, second drive circuit 123 and second of VISIBLE LIGHT EMISSION device 121, second receives circuit 124, as shown in Figure 3.
Described second drive circuit 123, for being converted to described 3rd optical signal by the signal of telecommunication of the information characterizing each described underwater sensor collection.
Described second VISIBLE LIGHT EMISSION device 121, for by described 3rd optical signal launch to described unmanned robot 11 under water.
Wherein, the second VISIBLE LIGHT EMISSION device 121 is specifically as follows LED.
Described second visible optical pickup apparatus 122, is used for receiving described first optical signal and described second optical signal.
Wherein, the second visible optical pickup apparatus 122 is specifically as follows photodetector.
Described second receives circuit 124, for described first optical signal conversion and described second optical signal are respectively converted into the signal of telecommunication.
Refer to Fig. 4, it illustrates a kind of operating diagram of visible light communication system under water. as shown in Figure 4, unmanned robot 11 and being communicatively coupled by visible ray radio communication between backbone network node device 12 under water under water, backbone network node device 12 and each underwater sensor are communicatively coupled by fiber optic communication under water, the LED of unmanned robot 11 is responsible for sending optical signal under water, the photodetector of unmanned robot 11 is responsible for receiving the optical signal that backbone network node device 12 sends under water under water, the LED of backbone network node device 12 is responsible for sending optical signal under water, the photodetector of backbone network node device 12 is responsible for receiving the optical signal that unmanned robot 11 sends under water under water.
Embodiment two
Present embodiments provide one visible light communication method under water, based on the visible light communication system under water shown in embodiment one, refer to Fig. 5, it illustrates a kind of flow chart of the method for visible light communication under water that the application provides, it is possible to comprise the following steps:
Step S51: the task distribution instruction that described in backbone network node device reception under water, unmanned machine Crinis Carbonisatus send under water, and the distribution instruction of described task is forwarded to corresponding underwater sensor.
Step S52: backbone network node device obtains the information that each described underwater sensor gathers under water.
In the present embodiment, backbone network node device obtains the information of each described underwater sensor collection and is specifically as follows the information that each described underwater sensor of backbone network node device timing acquisition gathers under water under water.
Step S53: backbone network node device is when the information gathering instruction that described in receiving, unmanned machine Crinis Carbonisatus send under water under water, the information gathered by each described underwater sensor sends to described unmanned robot under water.
In the present embodiment, the process of the task distribution instruction that described in backbone network node device reception under water, unmanned machine Crinis Carbonisatus send under water specifically may refer to Fig. 6, it is possible to comprises the following steps:
Step S61: backbone network node device receives the first optical signal characterizing the distribution instruction of described task under water.
Step S62: described first optical signal is converted to the signal of telecommunication characterizing the distribution instruction of described task by backbone network node device under water.
In the present embodiment, backbone network node device is when the information gathering instruction that described in receiving, unmanned machine Crinis Carbonisatus send under water under water, the process that the information of each described underwater sensor collection sends extremely described unmanned robot under water specifically be may refer to Fig. 7, it is possible to comprise the following steps:
Step S71: backbone network node device is when the information gathering instruction that described in receiving, unmanned machine Crinis Carbonisatus send under water under water, and the signal of telecommunication characterizing the information of each described underwater sensor collection is converted to the 3rd optical signal.
Step S72: described 3rd optical signal is sent to described unmanned robot under water by backbone network node device under water.
It should be noted that each embodiment in this specification all adopts the mode gone forward one by one to describe, what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually referring to. For device class embodiment, due to itself and embodiment of the method basic simlarity, so what describe is fairly simple, relevant part illustrates referring to the part of embodiment of the method.
Finally, it can further be stated that, in this article, the relational terms of such as first and second or the like is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially. And, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include the process of a series of key element, method, article or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or equipment. When there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of described key element, method, article or equipment.
Above one provided herein visible light communication system under water and method are described in detail, principle and the embodiment of the application are set forth by specific case used herein, and the explanation of above example is only intended to help and understands the present processes and core concept thereof; Simultaneously for one of ordinary skill in the art, according to the thought of the application, all will change in specific embodiments and applications, in sum, this specification content should not be construed as the restriction to the application.
Claims (8)
1. a visible light communication system under water, it is characterised in that including: unmanned robot, under water backbone network node device and multiple different underwater sensor under water;
The described node device of backbone network under water is communicatively coupled by fiber optic communication with underwater sensor each described respectively;
Described unmanned robot under water and the described node device of backbone network under water are communicatively coupled by visible ray radio communication;
Described unmanned robot under water, for sending task distribution instruction extremely described backbone network node device under water, and send information gathering instruction to described backbone network node device under water, and the information that described in reception, backbone network node device gathers for each described underwater sensor that described information gathering instruction sends under water;
Described backbone network node device under water, it is forwarded to corresponding underwater sensor for distributing instruction by described task, and obtain the information that each described underwater sensor gathers, and when receiving described information gathering instruction, the information gathered by each described underwater sensor sends to described unmanned robot under water;
Described underwater sensor, is used for gathering underwater information.
2. system according to claim 1, it is characterised in that the information that the described node device of backbone network under water gathers specifically for each described underwater sensor of timing acquisition.
3. system according to claim 1, it is characterised in that described unmanned robot under water includes: the first VISIBLE LIGHT EMISSION device, the first visible optical pickup apparatus, the first drive circuit and first receive circuit;
Described first drive circuit, for the signal of telecommunication characterizing the distribution instruction of described task is converted to the first optical signal, and is converted to the second optical signal by the signal of telecommunication characterizing described information gathering instruction;
Described first VISIBLE LIGHT EMISSION device, for by described first optical signal and described second optical signal launch extremely described backbone network node device under water;
Described first visible optical pickup apparatus, for receiving the 3rd optical signal characterizing the information that each described underwater sensor gathers;
Described first receives circuit, for described 3rd optical signal is converted to the signal of telecommunication;
The described node device of backbone network under water includes: the second VISIBLE LIGHT EMISSION device, the second visible optical pickup apparatus, the second drive circuit and second receive circuit;
Described second drive circuit, for being converted to described 3rd optical signal by the signal of telecommunication of the information characterizing each described underwater sensor collection;
Described second VISIBLE LIGHT EMISSION device, for by described 3rd optical signal launch to described unmanned robot under water;
Described second visible optical pickup apparatus, is used for receiving described first optical signal and described second optical signal;
Described second receives circuit, for described first optical signal conversion and described second optical signal are respectively converted into the signal of telecommunication.
4. system according to claim 3, it is characterised in that described first VISIBLE LIGHT EMISSION device and described second VISIBLE LIGHT EMISSION device are LED lamp;
Described first visible optical pickup apparatus and the described second visible optical pickup apparatus are photodetector.
5. a visible light communication method under water, it is characterized in that, based on visible light communication system under water, described visible light communication system under water includes: unmanned robot, under water backbone network node device and multiple different underwater sensor under water, the described node device of backbone network under water is communicatively coupled by fiber optic communication with underwater sensor each described respectively, described unmanned robot under water and the described node device of backbone network under water are communicatively coupled by visible ray radio communication, and described method includes:
The task distribution instruction that described in the reception of the described node device of backbone network under water, unmanned machine Crinis Carbonisatus send under water, and the distribution instruction of described task is forwarded to corresponding underwater sensor;
The described node device of backbone network under water obtains the information that each described underwater sensor gathers;
The described node device of backbone network under water is when the information gathering instruction that described in receiving, unmanned machine Crinis Carbonisatus send under water, and the information gathered by each described underwater sensor sends to described unmanned robot under water.
6. method according to claim 5, it is characterised in that the information that the described node device of backbone network under water obtains each described underwater sensor collection includes:
The information that described each described underwater sensor of the node device timing acquisition of backbone network under water gathers.
7. method according to claim 5, it is characterised in that the process of the task distribution instruction that described in the reception of the described node device of backbone network under water, unmanned machine Crinis Carbonisatus send under water, including:
The described node device of backbone network under water receives the first optical signal characterizing the distribution instruction of described task;
Described first optical signal is converted to the signal of telecommunication characterizing the distribution instruction of described task by the described node device of backbone network under water.
8. method according to claim 5, it is characterized in that, the described node device of backbone network under water is when the information gathering instruction that described in receiving, unmanned machine Crinis Carbonisatus send under water, and the information gathered by each described underwater sensor sends the process to described unmanned robot under water, including:
The signal of telecommunication characterizing the information of each described underwater sensor collection, when the information gathering instruction that described in receiving, unmanned machine Crinis Carbonisatus send under water, is converted to described 3rd optical signal by the described node device of backbone network under water;
Described 3rd optical signal is sent to described unmanned robot under water by the described node device of backbone network under water.
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