CN110958591A - Marine cross-domain communication management and control system of wide area ocean thing networking - Google Patents
Marine cross-domain communication management and control system of wide area ocean thing networking Download PDFInfo
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- CN110958591A CN110958591A CN201911329250.9A CN201911329250A CN110958591A CN 110958591 A CN110958591 A CN 110958591A CN 201911329250 A CN201911329250 A CN 201911329250A CN 110958591 A CN110958591 A CN 110958591A
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Abstract
The invention discloses a wide-area marine Internet of things offshore cross-domain communication management and control system, which comprises: the static node and the mobile node are used for acquiring underwater information sensed by the underwater sensor; the underwater Internet of things central node is used for sending the collected underwater information to the water surface convergence gateway of the underwater sensing node; the underwater sensing node water surface convergence gateway is used for sending underwater information to the offshore information node pretreatment equipment; the offshore information node pretreatment equipment is used for collecting and pretreating underwater information; the offshore information node communication equipment is used for packing the preprocessed data to generate fused data; and sending the converged data to a converged access system of the shore-ocean multi-communication system. The invention realizes cross-domain effective interconnection of the underwater sensing network of the marine Internet of things and the marine information node by utilizing fusion of various communication networks such as underwater acoustic communication, water surface networking communication, satellite mobile communication, satellite broadband communication, a Beidou navigation positioning system and the like.
Description
Technical Field
The invention belongs to the technical field of marine communication, and particularly relates to a wide-area marine Internet of things marine cross-domain communication management and control system.
Background
The ocean internet of things is composed of an underwater internet of things and a water surface internet of things in a physical space, and the underwater internet of things and the water surface internet of things are relatively separated due to the limitation of business application at present. In the underwater Internet of things, various underwater static nodes and underwater mobile node sensors form an underwater sensor network, the underwater sensor network converges sensing data of the nodes to a water surface gateway node, and the water surface gateway node transmits the underwater sensing data to a shore-based service center through satellite communication. The infrastructure of the water surface Internet of things comprises an offshore fixed information node and an offshore mobile information node, and sensing data are transmitted to a shore-based service center through satellite mobile communication, satellite broadband communication and a Beidou navigation positioning system. At present, the scale of the underwater internet of things and the scale of the water surface internet of things of the ocean internet of things are continuously developed, the number and the types of underwater and water surface information sensing nodes are rapidly increased, meanwhile, cross-industry information fusion in the fields of ocean environment monitoring, ocean shipping, open sea fishery breeding and the like is more and more deep, and therefore the cross-domain effective interconnection of the underwater internet of things and the water surface internet of things needs to be formed by the ocean internet of things.
The ocean internet of things is formed by an underwater internet of things and a water surface internet of things in a physical space, at present, due to the limitation of service application, an underwater internet of things sensor network is communicated with a shore-based service center, and marine information nodes of the water surface internet of things are communicated with the shore-based service center, and separate satellite communication channels are adopted respectively, so that the interconnection and mutual fusion of the underwater internet of things and the water surface internet of things are difficult to develop at sea, and meanwhile, due to the restriction of an underwater sensing network topological structure, the free access of the underwater sensing nodes is not.
Disclosure of Invention
The technical problem of the invention is solved: the defects of the prior art are overcome, and the wide-area marine Internet of things marine cross-domain communication management and control system is provided, based on marine fixed information nodes and marine maneuvering information nodes, by means of fusion of various communication networks such as underwater acoustic communication, water surface networking communication, satellite mobile communication, satellite broadband communication and a Beidou navigation positioning system, cross-domain effective interconnection of a marine Internet of things underwater sensing network and the marine information nodes is achieved.
In order to solve the technical problem, the invention discloses a wide-area marine internet of things marine cross-domain communication management and control system, which comprises: the system comprises offshore information node communication equipment, an underwater sensing node water surface convergence gateway, an offshore information node cross-domain communication gateway, offshore information node pretreatment equipment, an underwater internet of things central node, a static node and a mobile node;
the static nodes and the mobile nodes are used for acquiring underwater information sensed by the underwater sensors and sending the underwater information to corresponding underwater Internet of things central nodes; wherein the underwater information comprises: underwater target perception information and underwater environment perception information;
the underwater internet of things central node is used for sending the collected underwater information in the region to the water surface convergence gateway of the underwater sensing node;
the underwater sensing node water surface convergence gateway collects all underwater internet of things central nodes in a coverage area and is used for sending underwater information uploaded by the underwater internet of things central nodes to offshore information node pretreatment equipment through an offshore information node cross-domain communication gateway;
the offshore information node pretreatment device is used for collecting and pretreating underwater information sent by the offshore information node cross-domain communication gateway to obtain pretreated data, and sending the pretreated data to the offshore information node communication device through the offshore information node cross-domain communication gateway;
the maritime information node communication equipment is used for carrying out data packaging on the preprocessed data sent by the maritime information node cross-domain communication gateway to generate fusion data; and sending the converged data to a converged access system of the shore-ocean multi-communication system.
In the marine cross-domain communication management and control system of wide area ocean internet of things, the shore ocean multi-communication system fusion access system is used for:
analyzing the fusion data and then storing the fusion data in a classified manner;
when receiving a data request message, acquiring the fusion data requested by the data request message from the stored data, and distributing the fusion data requested by the acquired data request message to each application terminal.
In the wide area marine internet of things marine cross-domain communication management and control system, the marine information node cross-domain communication gateway is used for providing protocol adaptation and interface adaptation function connection of various communication modes, realizing data packaging, unpacking and link establishment of various communication systems such as Beidou communication, satellite mobile communication, satellite broadband communication, water surface networking communication, underwater acoustic communication and the like, and providing interconversion of various different communication protocols and TCP/IP protocols.
In the marine cross-domain communication management and control system of wide area ocean thing networking, the source of the underwater information that sends via marine information node cross-domain communication gateway includes: underwater sound detection, radar detection, photoelectric detection, AIS reception, electromagnetic environment monitoring, and marine environment observation.
In the wide area ocean internet of things offshore cross-domain communication management and control system, the offshore information node pretreatment equipment provides multiple standard data interfaces of RJ-45, E1, RS-232 and SC when collecting underwater information sent by the offshore information node cross-domain communication gateway, accesses various format data and carries out data formatting.
In the above-mentioned wide area ocean thing networking marine cross-domain communication management and control system, marine information node pretreatment equipment is gathering and the preliminary treatment to the underwater information that sends via marine information node cross-domain communication gateway, when obtaining the preliminary treatment data, includes:
collecting underwater information sent by a cross-domain communication gateway of an offshore information node, and classifying data; wherein, the data category comprises: monitoring data, audio data and video data;
and selecting a matched preprocessing strategy according to the data classification result, and preprocessing each underwater information.
In the marine cross-domain communication management and control system of wide area ocean thing networking, marine information node pretreatment equipment is selecting assorted preliminary treatment strategy according to data classification result, when carrying out preliminary treatment to each underwater information, includes:
when the underwater information is determined to be the monitoring data, compressing and filtering the underwater information to obtain the compressed and filtered monitoring data;
when the underwater information is determined to be audio data, audio feature extraction is carried out on the underwater information to obtain audio feature data;
and when the underwater information is determined to be video data, performing video feature extraction on the underwater information to obtain video feature data.
In above-mentioned marine cross-domain communication management and control system of wide area ocean thing networking, marine information node communication equipment includes: the system comprises a maritime information node and a plurality of communication devices; the offshore information node performs information interaction with a shore-based service center through the various communication devices;
a plurality of communication devices, comprising: the system comprises Beidou communication equipment, satellite mobile communication equipment, satellite broadband communication equipment and water surface networking communication equipment; wherein, each communication equipment is arranged on the offshore information node of the corresponding type according to the requirement.
The invention has the following advantages:
the invention discloses a wide-area marine Internet of things marine cross-domain communication management and control system, which is characterized in that a marine information node cross-domain communication gateway is interconnected with an underwater sensing node water surface convergence gateway, so that the number of nodes of the underwater sensing node water surface convergence gateway can be expanded under the condition of not changing the topological structure of the existing underwater sensing network, and the free access of various types of underwater sensing nodes is supported. The invention can simplify the network structure of the data transmission of the ocean Internet of things application system, and reduce the difficulty of the installation and deployment of the underwater sensor network and the guarantee and maintenance.
Drawings
Fig. 1 is a structural block diagram of an offshore cross-domain communication management and control system of a wide-area marine internet of things in the embodiment of the invention;
fig. 2 is a schematic work flow diagram of a wide-area marine internet of things marine cross-domain communication management and control system in the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1, in this embodiment, the marine cross-domain communication management and control system of wide-area marine internet of things includes: the system comprises offshore information node communication equipment, an underwater sensing node water surface convergence gateway, an offshore information node cross-domain communication gateway, offshore information node pretreatment equipment, an underwater internet of things center node, a static node and a mobile node. The system comprises a static node and a mobile node, wherein the static node and the mobile node are used for acquiring underwater information sensed by an underwater sensor and sending the underwater information to a corresponding underwater Internet of things central node; wherein the underwater information comprises: underwater target perception information and underwater environment perception information. And the underwater Internet of things central node is used for sending the collected underwater information in the region to the water surface convergence gateway of the underwater sensing node. The underwater sensing node water surface convergence gateway collects all underwater internet of things central nodes in a coverage area and is used for sending underwater information uploaded by the underwater internet of things central nodes to the offshore information node pretreatment equipment through the offshore information node cross-domain communication gateway. The offshore information node pretreatment device is used for collecting and pretreating underwater information sent by the offshore information node cross-domain communication gateway to obtain pretreated data, and sending the pretreated data to the offshore information node communication device through the offshore information node cross-domain communication gateway. The maritime information node communication equipment is used for carrying out data packaging on the preprocessed data sent by the maritime information node cross-domain communication gateway to generate fusion data; and sending the converged data to a converged access system of the shore-ocean multi-communication system.
In this embodiment, the shore-ocean multi-communication system converged access system may be specifically configured to: analyzing the fusion data and then storing the fusion data in a classified manner; when receiving a data request message, acquiring the fusion data requested by the data request message from the stored data, and distributing the fusion data requested by the acquired data request message to each application terminal.
In this embodiment, the maritime information node cross-domain communication gateway may be specifically configured to provide protocol adaptation and interface adaptation functions of multiple communication modes, implement data packing, unpacking and link establishment of multiple communication systems such as Beidou communication, satellite mobile communication, satellite broadband communication, water surface networking communication and underwater acoustic communication, and provide interconversion between various different communication protocols and TCP/IP protocols.
In this embodiment, the source of the underwater information sent via the offshore information node cross-domain communication gateway includes: underwater sound detection, radar detection, photoelectric detection, AIS reception, electromagnetic environment monitoring, and marine environment observation. When the offshore information node pretreatment equipment collects underwater information sent by the offshore information node cross-domain communication gateway, multiple standard data interfaces of RJ-45, E1, RS-232 and SC are provided, various format data are accessed, and data formatting is performed.
In this embodiment, when the offshore information node preprocessing device collects and preprocesses underwater information sent via the offshore information node cross-domain communication gateway to obtain preprocessed data, the offshore information node preprocessing device includes: collecting underwater information sent by a cross-domain communication gateway of an offshore information node, and classifying data; wherein, the data category comprises: monitoring data, audio data, and video data. And selecting a matched preprocessing strategy according to the data classification result, and preprocessing each underwater information.
Preferably, the data preprocessing function of the offshore information node preprocessing equipment is used for preprocessing underwater sound detection information, radar detection information, photoelectric detection information, AIS (automatic identification system) receiving information, electromagnetic environment monitoring information and marine environment observation information, so that the effectiveness of data acquisition is improved, the data capacity of external transmission is reduced, and the effective use of a communication channel is realized. When the underwater information is determined to be the monitoring data, compressing and filtering the monitoring data, reducing the size of the data, and obtaining the compressed and filtered monitoring data; when the underwater information is determined to be audio data, pre-emphasis, framing, windowing and endpoint monitoring are carried out on the audio data, and meanwhile, an LPCC (low power density chip) and MFCC (Mel frequency cepstrum coefficient) audio feature extraction method is adopted to obtain audio feature data; when the underwater information is determined to be video data, a framing method is adopted to convert the video data into a series of image data and filter the image data, and the image data is subjected to extraction of various characteristics such as spectral characteristics, statistical characteristics, histogram characteristics, texture characteristics and waveband operation characteristics to obtain video characteristic data.
In this embodiment, the offshore information node communication device includes: the system comprises a maritime information node and a plurality of communication devices; and the offshore information node performs information interaction with the shore-based service center through the various communication devices. Preferably, the plurality of communication devices includes, but is not limited to: the system comprises Beidou communication equipment, satellite mobile communication equipment, satellite broadband communication equipment and water surface networking communication equipment; wherein, each communication equipment is arranged on the offshore information node of the corresponding type according to the requirement.
Therefore, the wide-area marine internet of things marine cross-domain communication management and control system provided by the embodiment of the invention has the advantages that the marine information node cross-domain communication gateway is arranged, the marine information node cross-domain communication gateway is interconnected with the underwater sensing node water surface convergence gateway, the relay fusion of underwater acoustic communication and satellite communication is provided, and the cross-domain effective interconnection of the marine internet of things underwater sensing network and the marine information node is realized.
Example 2
On the basis of the above embodiments, the following describes the workflow of the wide area marine internet of things marine cross-domain communication management and control system according to the embodiments of the present invention.
As shown in fig. 2, in this embodiment, the work flow of the marine cross-domain communication management and control system for the wide-area marine internet of things is as follows:
1) the underwater sensing network of the ocean internet of things collects underwater central node information, and sends the underwater central node information to the underwater sensing node water surface collection gateway after A/D conversion and demodulation processing are completed. In the underwater perception network, a plurality of underwater static perception nodes and underwater mobile perception nodes transmit perception information to a central node; and the central node collects the information of the static nodes and the mobile nodes in the coverage area.
2) And the underwater sensing node water surface collection gateway sends the underwater sensing data to the offshore information node cross-domain communication gateway. The node where the water surface collection gateway is located can be independently distributed, and underwater information can be sent to the cross-domain communication gateway of the offshore information node by the water surface LTE networking mode for the independently distributed water surface collection gateway node; for an underwater sensing network taking an offshore information node as a carrier, the underwater information node water surface convergence gateway is directly connected to the offshore information node cross-domain communication gateway through a cable or an optical cable.
3) The cross-domain communication gateway of the offshore information node is connected with the pretreatment equipment of the offshore information node through an Ethernet interface, and sends the underwater perception information to the pretreatment equipment. The preprocessing equipment collects the underwater sensing data and the offshore information node sensing data, and performs data compression and filtering processing.
4) And the offshore information node pretreatment equipment sends the processed result data to the offshore information node cross-domain communication gateway.
5) And the offshore information node cross-domain communication gateway performs protocol conversion and data packet caching, performs queue management on communication data according to the time and priority of the communication request, enters the offshore information node communication equipment, and transmits the communication data to the shore-based service center.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make variations and modifications of the present invention without departing from the spirit and scope of the present invention by using the methods and technical contents disclosed above.
Those skilled in the art will appreciate that the invention may be practiced without these specific details.
Claims (8)
1. The utility model provides a marine communication management and control system of crossing territory of wide area ocean thing networking which characterized in that includes: the system comprises offshore information node communication equipment, an underwater sensing node water surface convergence gateway, an offshore information node cross-domain communication gateway, offshore information node pretreatment equipment, an underwater internet of things central node, a static node and a mobile node;
the static nodes and the mobile nodes are used for acquiring underwater information sensed by the underwater sensors and sending the underwater information to corresponding underwater Internet of things central nodes; wherein the underwater information comprises: underwater target perception information and underwater environment perception information;
the underwater internet of things central node is used for sending the collected underwater information in the region to the water surface convergence gateway of the underwater sensing node;
the underwater sensing node water surface convergence gateway collects all underwater internet of things central nodes in a coverage area and is used for sending underwater information uploaded by the underwater internet of things central nodes to offshore information node pretreatment equipment through an offshore information node cross-domain communication gateway;
the offshore information node pretreatment device is used for collecting and pretreating underwater information sent by the offshore information node cross-domain communication gateway to obtain pretreated data, and sending the pretreated data to the offshore information node communication device through the offshore information node cross-domain communication gateway;
the maritime information node communication equipment is used for carrying out data packaging on the preprocessed data sent by the maritime information node cross-domain communication gateway to generate fusion data; and sending the converged data to a converged access system of the shore-ocean multi-communication system.
2. The marine cross-domain communication management and control system of wide area ocean thing networking of claim 1, characterized in that, bank and ocean many communication systems fuses access system for:
analyzing the fusion data and then storing the fusion data in a classified manner;
when receiving a data request message, acquiring the fusion data requested by the data request message from the stored data, and distributing the fusion data requested by the acquired data request message to each application terminal.
3. The system according to claim 1, wherein the maritime information node cross-domain communication gateway is used for providing protocol adaptation and interface adaptation functions of multiple communication modes, realizing data packaging, unpacking and link establishment of multiple communication systems such as Beidou communication, satellite mobile communication, satellite broadband communication, water surface networking communication and underwater acoustic communication, and providing interconversion of various different communication protocols and TCP/IP protocols.
4. The wide-area marine internet of things marine cross-domain communication management and control system of claim 1, wherein a source of underwater information sent via the marine information node cross-domain communication gateway comprises: underwater sound detection, radar detection, photoelectric detection, AIS reception, electromagnetic environment monitoring, and marine environment observation.
5. The wide-area marine internet of things marine cross-domain communication management and control system according to claim 1, wherein the marine information node preprocessing device provides multiple standard data interfaces of RJ-45, E1, RS-232 and SC when gathering underwater information sent through the marine information node cross-domain communication gateway, accesses various types of format data, and performs data formatting.
6. The wide-area marine internet of things marine cross-domain communication management and control system according to claim 1, wherein the marine information node preprocessing device, when collecting and preprocessing underwater information sent through the marine information node cross-domain communication gateway to obtain preprocessed data, comprises:
collecting underwater information sent by a cross-domain communication gateway of an offshore information node, and classifying data; wherein, the data category comprises: monitoring data, audio data and video data;
and selecting a matched preprocessing strategy according to the data classification result, and preprocessing each underwater information.
7. The wide-area marine internet of things marine cross-domain communication management and control system according to claim 6, wherein the marine information node preprocessing device selects a matched preprocessing strategy according to the data classification result, and when preprocessing each underwater information, the system comprises:
when the underwater information is determined to be the monitoring data, compressing and filtering the underwater information to obtain the compressed and filtered monitoring data;
when the underwater information is determined to be audio data, audio feature extraction is carried out on the underwater information to obtain audio feature data;
and when the underwater information is determined to be video data, performing video feature extraction on the underwater information to obtain video feature data.
8. The marine cross-domain communication management and control system of wide area ocean thing networking of claim 1, characterized in that, marine information node communication equipment includes: the system comprises a maritime information node and a plurality of communication devices; the offshore information node performs information interaction with a shore-based service center through the various communication devices;
a plurality of communication devices, comprising: the system comprises Beidou communication equipment, satellite mobile communication equipment, satellite broadband communication equipment and water surface networking communication equipment; wherein, each communication equipment is arranged on the offshore information node of the corresponding type according to the requirement.
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Application publication date: 20200403 |