Air-water cross-domain comprehensive information transmission network system, method, equipment and storage medium

Abstract

The invention discloses an air-water cross-domain comprehensive information transmission network system, which comprises a submarine optical cable wired network, a distributed air-water cross-domain wireless network and a shore-based information processing center, wherein the submarine optical cable wired network is used for connecting an underwater fixed node and the shore-based information processing center through a submarine optical cable; the distributed air-water cross-domain wireless network is used for communicating with the underwater mobile wireless node through underwater acoustic communication, communicating with the shore-based information processing center through satellite communication and connecting with the submarine optical cable wired network through underwater acoustic communication to form a network; and the shore-based information processing center is used for collecting and processing equipment data and carrying out communication through satellite communication and a submarine optical cable wired network. The invention further discloses an air-water cross-domain comprehensive information transmission method, corresponding equipment and a storage medium. According to the invention, deep fusion of a submarine optical cable wired network and a distributed air-water cross-domain wireless network is realized, and underwater information transmission guarantee capability with high-speed broadband, redundancy destroy resistance, global coverage, safety and reliability is formed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of communication, more particularly, to an air-water cross-domain integrated information transmission network system, method, device and storage medium. BACKGROUND

[0002] In the field of communication technology, through the construction of underwater information network system, underwater early warning information support and guarantee are provided for underwater information acquisition, target identification, communication command, etc., so as to seize the underwater information advantage, which can effectively improve the underwater deterrent, UUV action and underwater information countermeasure capability. The underwater integrated information transmission network focuses on the demand of underwater information guarantee, takes improving the guarantee capability of underwater communication command, early warning detection, environmental observation and navigation positioning as the goal, studies advanced underwater energy, communication, perception, carrier and other basic technologies, among which the business unit is comprehensively adopted new communication technologies such as sound, light and electromagnetic, an integrated information transmission network is constructed by deeply integrating underwater cable network, wireless fixed network and wireless mobile network, a high-speed broadband, redundant anti-destroying, all-domain covering, safe and reliable underwater information transmission guarantee capability is formed, and the ability of underwater platform integration into network and information countermeasure in task sea area is continuously improved.

[0003] The existing underwater information network technology has many deficiencies. On the one hand, the traditional underwater communication network mainly relies on low-frequency radio communication, its communication depth is limited, usually only hundreds of meters, which is difficult to meet the demand of deep-sea underwater information transmission. On the other hand, the existing underwater network coverage is limited, it is difficult to achieve all-domain coverage, especially in complex marine environment, the stability and reliability of the network are poor. In addition, the anti-destroying ability of the existing network is insufficient, which cannot meet the high reliability and high survivability requirements of information transmission network in marine security strategy. At the same time, the existing technology also has defects in air-water cross-domain communication, it is difficult to realize the effective acquisition and exchange of multi-task source information such as underwater, water surface and air, and it cannot provide comprehensive basic guarantee for underwater information transmission. SUMMARY

[0004] In view of at least one defect or improvement demand of the prior art, the present application provides an air-water cross-domain integrated information transmission network system, method, device and storage medium, which can solve at least one of the problems in the background art.

[0005] To achieve the above-mentioned purpose, according to the first aspect of the present application, an air-water cross-domain integrated information transmission network system is provided, comprising a submarine optical cable wired network, a distributed air-water cross-domain wireless network and a shore-based information processing center: The submarine optical cable wired network is used to connect underwater fixed nodes and shore-based information processing center through submarine optical cable; The distributed air-water cross-domain wireless network is used for communicating with underwater mobile wireless nodes through underwater acoustic communication, communicating with a shore-based information processing center through satellite communication, and connecting with a submarine optical cable wired network to form a network through underwater acoustic communication. The shore-based information processing center is used for collecting and processing device data and communicating through satellite communication and the submarine optical cable wired network.

[0006] Further, in the air-water cross-domain integrated information transmission network system, the submarine optical cable wired network adopts a grid network architecture, and includes backbone node devices, access node devices, shore-based access devices, and service application devices of the submarine optical cable wired network, which are accessed to the trunk long-distance transmission to the shore-based access devices of the shore-based information processing center through a three-level structure of the service application devices, the access node devices, and the backbone node devices.

[0007] Further, in the air-water cross-domain integrated information transmission network system, the backbone node devices are used for constructing a backbone transmission network of the submarine optical cable wired network and providing a large-capacity and long-distance data transmission channel. The access node devices are used for connecting the service application devices and the backbone node devices and realizing data access of the service application devices. The shore-based access devices include remote power supplies, network operation and maintenance devices, and submarine optical cable network management systems, and are used for providing power supply, operation and maintenance, and management functions for the submarine optical cable wired network. The service application devices include positioning and navigation devices, early warning and detection devices, and submarine observation sensors, and are used for realizing various service application functions.

[0008] Further, in the air-water cross-domain integrated information transmission network system, the distributed air-water cross-domain wireless network is composed of a surface wireless network and an underwater wireless network, and communication functions of the two sub-networks are completed by an air-water cross-domain communication gateway. The underwater wireless network adopts underwater acoustic communication to communicate with underwater mobile platforms and the submarine optical cable wired network. The surface wireless network provides underwater communication and networking through an ultrashort wave wireless link and is transmitted back to the shore-based information processing center through satellite communication.

[0009] Further, in the air-water cross-domain integrated information transmission network system, the shore-based information processing center includes a center server, shore-based access devices, satellite communication station devices, submarine optical cable shore-based transmission devices, and center evaluation devices. The center server is used for network data collection, aggregation, storage, and information fusion processing. The satellite communication station devices are used for communicating through satellite communication and the submarine optical cable wired network, realizing information interaction with the distributed air-water cross-domain wireless network and the submarine optical cable wired network. The center evaluation device is used for realizing the collection, processing and analysis of information, transmitting command instructions.

[0010] Further, the air-water cross-domain integrated information transmission network system, the distributed air-water cross-domain wireless network realizes air-water cross-domain communication through a cross-domain gateway node, the cross-domain gateway node is installed on a buoy platform, the buoy platform carries a water acoustic communication device, a satellite, an ultra-short wave communication device and an environment perception sensor, and bidirectional communication is implemented between the antenna and the communication device in the buoy and other communication devices in the air-water cross-domain integrated information transmission network system based on the antenna and the communication device in the buoy.

[0011] Further, the air-water cross-domain integrated information transmission network system, the service application device of the submarine optical cable wired network further includes early warning detection, ocean observation and navigation timing service application devices, and the early warning detection, ocean observation and navigation timing service application devices adopt a unified standard device interface and non-contact connection.

[0012] According to a second aspect of the present application, an air-water cross-domain integrated information transmission method is also provided, including the following steps: The early warning detection information, positioning and navigation information and seabed observation information collected by the underwater fixed node are transmitted through the submarine optical cable wired network; The water acoustic communication signals sent by the underwater mobile wireless node are received through the distributed air-water cross-domain wireless network, the water acoustic communication signals are converted into ultra-short wave communication signals and satellite communication signals, and communication with the shore-based information processing center is realized; The shore-based information processing center receives and processes various types of information from the submarine optical cable wired network and the distributed air-water cross-domain wireless network, communicates through satellite communication and the submarine optical cable wired network, realizes the collection, processing and analysis of battlefield situation information, system network node state, underwater user data and other information through a center evaluation device, uploads and transmits command instructions, evaluates and optimizes network performance; Based on the instructions of the shore-based information processing center, the underwater mobile wireless node and the service application device of the submarine optical cable wired network are controlled and adjusted through the distributed air-water cross-domain wireless network, and the underwater information transmission is dynamically managed and optimized.

[0013] According to a third aspect of the present application, an air-water cross-domain integrated information transmission device is also provided, which includes at least one processing unit and at least one storage unit, wherein the storage unit stores a computer program, and when the computer program is executed by the processing unit, the processing unit executes the steps of any one of the above-mentioned methods.

[0014] According to a fourth aspect of the present application, a storage medium is also provided, which stores a computer program executable by the air-water cross-domain integrated information transmission device, and when the computer program runs on the air-water cross-domain integrated information transmission device, the air-water cross-domain integrated information transmission device executes the steps of any one of the above methods.

[0015] Overall, compared with the prior art, the above technical solutions conceived by the present application can achieve the following beneficial effects: In the air-water cross-domain integrated information transmission network system provided by the embodiments of the present application, the submarine cable wired network and the distributed air-water cross-domain wireless network are closely combined to form a complementary advantage. The submarine cable wired network provides a high-speed, stable and large-capacity data transmission channel, and its grid network architecture enhances the invulnerability and reliability of the network. Even if some nodes fail, data can be transmitted through a detour path to ensure the continuity of underwater information transmission. The distributed air-water cross-domain wireless network has the characteristics of flexibility and mobility, and can quickly respond to and cover areas that the submarine cable wired network cannot reach. By integrating multiple communication technologies, efficient air-water cross-domain information exchange is achieved, the coverage of the system is expanded, and the overall flexibility and adaptability of the system are improved. The shore-based information processing center can deeply process and fuse analyze the massive data from different networks, not only realizing high-level sharing of information, but also continuously improving the information transmission and processing capacity of the entire system through performance evaluation and optimization mechanisms, so that it can better meet the needs of modern marine information transmission and complex tasks such as combat command. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0017] Figure 1 A structural schematic diagram of an air-water cross-domain integrated information transmission network system provided by the embodiments of the present application; Figure 2 A group structure schematic diagram of a submarine cable wired network provided by the embodiments of the present application; Figure 3 A schematic diagram of the underwater grid network topology structure provided by the embodiments of the present application; Figure 4 A structural schematic diagram of an air-water cross-domain wireless network provided by the embodiments of the present application; Figure 5 An information processing center structure schematic diagram provided by the embodiments of the present application; Figure 6A buoy structure schematic diagram provided by the embodiment of the application. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the application more clear, the application is further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the application and not to limit the application. In addition, the technical features involved in the various embodiments of the application described below can be combined with each other as long as they do not conflict with each other.

[0019] The terms "first", "second", "third" and the like in the specification and claims of the application and the above-mentioned drawings are used to distinguish different objects and are not used to describe a specific order. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device including a series of steps or units is not limited to the listed steps or units, but can optionally include steps or units not listed or can optionally include other steps or units inherent to the process, method, product or device.

[0020] Figure 1 A structure schematic diagram of an air-water cross-domain integrated information transmission network system provided by the embodiment of the application is shown in Figure 1 An air-water cross-domain integrated information transmission network system provided by the embodiment of the application includes a submarine optical cable wired network, a distributed air-water cross-domain wireless network and a shore-based information processing center. The submarine optical cable wired network is used to connect the underwater fixed nodes and the shore-based information processing center through submarine optical cables. The distributed air-water cross-domain wireless network is used to communicate with underwater mobile wireless nodes through underwater acoustic communication, communicate with the shore-based information processing center through satellite communication, and connect the network through underwater acoustic communication and the submarine optical cable wired network. The shore-based information processing center is used to collect and process device data and communicate through satellite communication and the submarine optical cable wired network.

[0021] Specifically, the air-water cross-domain integrated information transmission network system provided by the application mainly consists of a submarine optical cable wired network, a distributed air-water cross-domain wireless network and a shore-based information processing center, and a block diagram is as shown in Figure 1The submarine optical cable wired network mainly includes submarine optical cables and sensors such as positioning navigation, early warning detection and submarine observation connected with the submarine optical cables, and the distributed air-water cross-domain wireless network is mainly realized by a cross-domain gateway node. The information network fusion and transmission mode of "cable + wireless", "fixed + mobile" and "underwater + cross-domain" is adopted to realize deep fusion of the submarine optical cable wired network and the distributed air-water cross-domain wireless network, and form an underwater information transmission guarantee capability with high speed, wide bandwidth, redundancy, invulnerability, full coverage and safety.

[0022] The submarine optical cable wired network mainly includes submarine optical cables, submarine optical cable wired network backbone node devices, access node devices, shore-based devices and service application devices. The submarine optical cables are the core transmission medium, which are laid along the pre-planned route under the sea, connecting various underwater fixed nodes distributed in different sea areas for collecting various marine information. The submarine optical cable wired network backbone node devices are distributed at the key nodes of the submarine optical cables, responsible for building the backbone transmission network of the submarine optical cable wired network, and can provide a large-capacity, long-distance data transmission channel to efficiently transmit the collected data over a long distance. The access node devices connect the service application devices and the backbone node devices to realize the data access function of the service application devices. The shore-based devices are located on the shore, including remote power supply, network operation and maintenance devices and submarine optical cable network management systems. The remote power supply provides continuous and stable power support for underwater devices through the submarine optical cables. The network operation and maintenance devices are used to monitor and maintain the normal operation state of the submarine optical cable wired network in real time, timely discover and handle possible faults. The submarine optical cable network management system uniformly manages the entire submarine optical cable wired network, including resource allocation, route planning and other operations. The service application devices are installed at the underwater fixed nodes, including positioning navigation, early warning detection and submarine observation sensors. These sensors can real-time sense various information in the marine environment, such as the position, motion trajectory, seawater temperature and salinity of underwater targets, and transmit the data to the shore-based information processing center through the access node devices and the submarine optical cables.

[0023] The distributed air-water cross-domain wireless network is composed of a surface wireless network and an underwater wireless network. The two sub-networks are connected through an air-water cross-domain communication gateway to realize communication functions. The underwater wireless network part mainly uses underwater acoustic communication to communicate with underwater mobile wireless nodes. The underwater mobile wireless nodes are distributed in different underwater locations and can be communication equipment installed on mobile platforms such as unmanned underwater vehicles. They can collect dynamic information of a specific underwater area, such as underwater terrain changes, sudden underwater biological activities, and other data, and send these data to the distributed air-water cross-domain wireless network through underwater acoustic communication. At the same time, the underwater wireless network can also be connected to the submarine cable wired network through underwater acoustic communication to further expand the coverage of the data transmitted by the submarine cable wired network and realize underwater information sharing in a wider area. The surface wireless network part uses ultra-short wave wireless links as the main communication means to support underwater communication and networking and ensure stable and reliable transmission of underwater information to the surface. In addition, the surface wireless network uses satellite communication technology to establish a communication link with the shore-based information processing center to timely return the collected underwater information to the shore-based center and also receives instructions and other information sent by the shore-based center. In addition, the distributed air-water cross-domain wireless network has the characteristics of mobile emergency laying. When encountering areas with insufficient coverage of the submarine cable wired network or sudden marine events, relevant wireless communication nodes such as temporary surface buoy load communication equipment can be quickly deployed to quickly establish a temporary communication network and make up for the deficiencies of the fixed submarine cable network to ensure the continuity of information transmission.

[0024] The shore-based information processing center is the information gathering and processing core of the entire network system, mainly including a center server, a shore-based access device, a satellite communication station device, a sea optical cable shore-based transmission device, and a center evaluation software. The center server has strong data processing capability and can efficiently process massive device data from the submarine optical cable wired network and the distributed air-water cross-domain wireless network, including data classification, screening, analysis, and other operations. The shore-based access device is a bridge connecting the submarine optical cable wired network and the shore-based information processing center, ensuring that the data transmitted by the submarine optical cable can smoothly enter the center server for processing. The satellite communication station device matches the satellite communication part of the distributed air-water cross-domain wireless network, realizes wireless communication with it, receives data sent from the sea, and sends instructions and other information to the sea. The sea optical cable shore-based transmission device is responsible for handling data transmission related operations of the submarine optical cable wired network at the shore-based end, ensuring smooth communication connection between the submarine optical cable and the internal devices of the shore-based information processing center. The center evaluation software runs on the center server and has the ability to collect, process, and analyze multi-source information such as battlefield situation information, system network node state, and underwater user data. It can integrate scattered data into information with decision-making value, provide the command and control system with comprehensive and accurate marine situation awareness, and realize efficient uploading and issuing of command and control instructions. At the same time, the center evaluation software can also evaluate the performance of the entire network system in real time according to the preset evaluation model and algorithm, analyze data transmission delay, packet loss rate, and other indicators, automatically generate optimization strategies according to the evaluation results, adjust network parameters, and thus optimize network performance, improve the operation efficiency and reliability of the entire air-water cross-domain integrated information transmission network system.

[0025] In the air-water cross-domain integrated information transmission network system provided by the embodiments of the present application, the submarine optical cable wired network and the distributed air-water cross-domain wireless network are closely combined to form a complementary advantage. The submarine optical cable wired network provides a high-speed, stable, and large-capacity data transmission channel, and its grid network architecture enhances the network's invulnerability and reliability. Even if some nodes fail, data can be transmitted through detour paths to ensure the continuity of underwater information transmission. The distributed air-water cross-domain wireless network has flexible and mobile characteristics, can quickly respond and cover areas that the submarine optical cable wired network cannot reach, and realizes efficient information exchange across air and water by integrating multiple communication technologies, expanding the coverage of the system and improving the overall flexibility and adaptability of the system. The shore-based information processing center can deeply process and fuse analyze massive data from different networks, not only realizing high-level information sharing, but also continuously improving the information transmission and processing capability of the entire system through performance evaluation and optimization mechanisms, so as to better meet the needs of modern marine information transmission and other complex tasks.

[0026] Optionally, the air-water cross-domain comprehensive information transmission network system provided by the embodiment of the application, the submarine optical cable wired network adopts a grid network architecture, including backbone node devices, access node devices, shore-based access devices and service application devices of the submarine optical cable wired network, and the service application devices, the access node devices and the backbone node devices are connected in a three-level structure to access the trunk long-distance transmission to the shore-based access devices of the shore-based information processing center.

[0027] Specifically, the submarine optical cable wired network mainly includes submarine optical cable wired network backbone node devices, access node devices, shore-based access devices (mainly including remote power supply, network operation and maintenance devices, submarine optical cable network management systems), service application devices (mainly including positioning and navigation, early warning detection, submarine observation sensors), and a submarine optical cable wired network composition block diagram is as shown in Figure 2

[0028] The system adopts a three-layer networking architecture of a backbone network, an access network and a user network, and the service application devices, the access node devices and the backbone node devices are connected in a three-level structure to access the trunk long-distance transmission to the shore station, the coverage range of the wired network is extended through the distributed wireless network, the anti-destroying property and the information transmission reliability of the system are further improved through the distributed air-water cross-domain wireless network cross-domain communication and the wireless node "random access", and the command communication, the early warning detection, the marine observation and the positioning and navigation are supported to be accessed to the trunk network transmission to the shore station.

[0029] The submarine optical cable wired network adopts a grid network architecture, has the characteristics of strong anti-destroying ability, and the specific network topology is as shown in Figure 3 The submarine optical cable wired network based on the grid network form is constructed as the public infrastructure of the underwater comprehensive information transmission network, realizes the high-speed transmission of large-capacity information, the long-distance transmission of high-power electric energy, and flexible access of submarine comprehensive services.

[0030] The grid type transmission network is constructed based on the submarine optical cable. The grid type wired network is constructed through the shore-based devices, the backbone nodes, the access nodes and the service devices, which is different from the traditional chain type and ring type network. The grid network can improve the survivability and anti-destroying property of the submarine optical cable network. Even if a single point fails, the network can still work normally through detours. At the same time, the submarine optical cable network can provide large bandwidth high-speed communication and large-capacity remote power supply energy.

[0031] Optionally, the air-water cross-domain comprehensive information transmission network system provided by the embodiment of the application, the backbone node devices are used to construct the backbone transmission network of the submarine optical cable wired network, and provide a large-capacity and long-distance data transmission channel. The access node devices are used to connect the service application devices and the backbone node devices, and realize the data access of the service application devices. ​The shore-based access equipment includes a remote power supply, network operation and maintenance equipment, and a submarine optical cable network management system, and is configured to provide power supply, operation and maintenance, and management functions for the submarine optical cable wired network. The service application equipment includes positioning and navigation, early warning detection, and submarine observation sensors, and is configured to implement various service application functions.

[0032] Specifically, the backbone node equipment is distributed at key nodes of the submarine optical cable and can provide a large-capacity and long-distance data transmission channel. These backbone node equipment has strong data processing and forwarding capabilities and can efficiently aggregate and transmit data from various access node equipment, ensuring that data is quickly and stably transmitted to the shore-based information processing center in the submarine optical cable wired network.

[0033] The access node equipment is configured to connect the service application equipment and the backbone node equipment. They are distributed at underwater fixed nodes and connected to various service application equipment to implement data access functions of the service application equipment. The access node equipment has efficient communication interfaces and data conversion capabilities and can convert and preliminarily process various information (such as positioning and navigation data, early warning detection signals, and submarine observation images) collected by the service application equipment, and then transmit them to the backbone node equipment through the submarine optical cable. Meanwhile, the access node equipment supports multiple communication protocols to ensure compatibility and interoperability with different types of service application equipment.

[0034] The shore-based access equipment is an important component of the shore-based part of the submarine optical cable wired network and includes a remote power supply, network operation and maintenance equipment, and a submarine optical cable network management system, which provides comprehensive protection for the stable operation of the submarine optical cable wired network. The remote power supply provides continuous and stable power support for underwater equipment through the submarine optical cable to meet the power requirements of multiple underwater equipment working simultaneously. The network operation and maintenance equipment is configured to monitor and maintain the normal operation state of the submarine optical cable wired network in real time. They have fault detection, positioning, and alarm functions and send alarms to operation and maintenance personnel through the network management system. The submarine optical cable network management system manages the entire submarine optical cable wired network, including resource allocation, route planning, performance monitoring, and other functions, to ensure the efficiency and reliability of data transmission.

[0035] The service application device is installed at the underwater fixed node, and is a core device for realizing various service application functions of the submarine optical cable wired network. The service application device mainly includes positioning and navigation, early warning detection, and submarine observation sensors. The positioning and navigation sensor can sense the position information and motion posture of the underwater device in real time, and provides accurate positioning and navigation services for underwater operations. The early warning detection sensor is used to monitor various potential threats in the ocean, such as underwater target invasion, marine geological disasters, etc. The submarine observation sensor is responsible for long-term and continuous observation of marine environmental parameters, such as water temperature, salinity, flow rate, submarine topography, etc. These sensors use advanced marine sensor technology and data acquisition and processing technology, and can adapt to complex marine environments and long-term underwater work requirements.

[0036] The backbone node device, the access node device, the shore-based access device, and the service application device of the submarine optical cable wired network cooperate with each other to jointly build an efficient, stable, and reliable underwater information transmission network. The backbone node device provides a large-capacity and long-distance data transmission channel to ensure that information can be quickly transmitted to the shore base; the access node device realizes seamless connection between the service application device and the backbone network, ensuring smooth data access and transmission; the shore-based access device provides solid power supply, maintenance, and management support for the operation of the entire submarine optical cable wired network; and the service application device realizes various service application functions by collecting various marine information, and provides rich data support for the fields of marine development and marine safety.

[0037] Optionally, the air-water cross-domain integrated information transmission network system provided by the embodiment of the application is composed of a water surface wireless network and an underwater wireless network, and the communication functions of the two sub-networks are completed by an air-water cross-domain communication gateway. The underwater wireless network uses underwater acoustic communication to communicate with underwater mobile platforms and submarine optical cable wired networks. The water surface wireless network uses ultrashort wave wireless links to provide underwater communication and networking, and transmits information back to the shore-based information processing center through satellite communication.

[0038] Specifically, the distributed air-water cross-domain wireless network integrates various means such as underwater acoustic communication, ultrashort wave communication, and satellite communication, and is mainly composed of a water surface wireless network and an underwater wireless network. The communication functions of the two sub-networks are completed by an air-water cross-domain communication gateway, and a composition diagram of the distributed air-water cross-domain wireless network is shown in FIG. Figure 4 The underwater wireless network uses underwater acoustic communication to communicate with underwater mobile platforms and submarine optical cable wired networks. The water surface wireless network uses robust ultrashort wave wireless links to support underwater communication and networking, and transmits information back to the shore-based information processing center through satellite communication, thereby realizing multi-task source information acquisition and exchange underwater, on the water surface, and in the air, and providing basic support for underwater information transmission.

[0039] Optionally, the air-water cross-domain integrated information transmission network system provided by the embodiment of the present application, the shore-based information processing center comprises a center server, a shore-based access device, a satellite communication station device, a sea optical cable shore-based transmission device and a center evaluation device; The center server is used for network data collection, aggregation, storage and information fusion processing. The satellite communication station device is used for communication through satellite communication and submarine optical cable wired network, and realizes information interaction with the distributed air-water cross-domain wireless network and the submarine optical cable wired network. The center evaluation device is used for realizing information aggregation, processing and analysis, and transmitting command and control instructions.

[0040] Specifically, the information processing center comprises a center server, a shore-based access device, a satellite communication station device, a sea optical cable shore-based transmission device and a center evaluation device, and a composition block diagram of the information processing center is as shown in Figure 5 The information processing center is responsible for collecting data of each device of the underwater integrated information network, has the functions of network data collection, aggregation, storage and information fusion processing, realizes wireless communication through satellite communication and wired communication through the sea optical cable. The information processing center realizes information sharing with the underwater platform through fusion switching, realizes aggregation, processing and analysis of situation information, system network node state, underwater user data and other information through the center evaluation software, realizes uploading and issuing of command and control information, and supports evaluation and optimization of network performance at the same time.

[0041] Optionally, the air-water cross-domain integrated information transmission network system provided by the embodiment of the present application, the distributed air-water cross-domain wireless network realizes air-water cross-domain communication through a cross-domain gateway node, the cross-domain gateway node is installed on a buoy platform, the buoy platform is loaded with a water acoustic communication device, a satellite and an ultrashort wave communication device and an environmental perception sensor, and bidirectional communication is implemented between the antenna and the communication device in the buoy and other communication devices in the air-water cross-domain integrated information transmission network system.

[0042] Specifically, the air-water cross-domain communication gateway is installed as shown in Figure 6The shown buoy platform is mainly composed of a sea surface buoy, accessories, an optical-electric composite cable, a seabed base, and the like. The buoy platform carries a plurality of communication devices such as water acoustic communication devices, satellites, and ultra-short wave devices, and environmental perception sensors. The buoy platform can sensitively perceive the surrounding environment, and provides a stable and reliable carrying platform for power supply, comprehensive control, information processing, and the like of underwater information network devices. Meanwhile, the buoy platform has the characteristics of controllable buoyancy, autonomous floating on the water surface or diving into the water according to task planning or on-site scene presetting, strong adaptability to sea conditions, and relatively stable posture, and can establish communication relays between satellites, water surface ships, and underwater network communication nodes, implement bidirectional communication with other water surface, air, and space platforms by using antennas and communication devices in the buoy, and complete information data exchange with underwater communication network nodes by using transducers and water acoustic communication modules, thereby realizing cross-domain transmission of underwater signals.

[0043] Optionally, the air-water cross-domain integrated information transmission network system provided by the embodiment of the present application further comprises early warning detection, ocean observation, and navigation timing service application devices, and the early warning detection, ocean observation, and navigation timing service application devices adopt a unified standard device interface and non-contact connection.

[0044] Specifically, the submarine optical cable wired network adopts an access network idea and has flexible access capability. The unified standard device interface and non-contact connection idea are adopted to provide a plug-and-play, flexible and dynamic networking underwater broadband access function at an access node, and support plug-and-play of early warning detection, ocean observation, and navigation timing service application devices, so as to improve the accessibility and scalability of the submarine optical cable network.

[0045] A distributed air-water cross-domain wireless network is constructed by using a mobile deployable wireless communication node, and the main feature is that the network does not depend on fixed infrastructure, increases the coverage range of the fixed cable network, is quickly deployed, is mobile and flexible, and can randomly establish a wireless network to realize device interconnection.

[0046] Optionally, the embodiment of the present application further provides an air-water cross-domain integrated information transmission method, comprising the following steps: The early warning detection information, positioning and navigation information, and submarine observation information collected by the underwater fixed nodes are transmitted through the submarine optical cable wired network; The water acoustic communication signals sent by the underwater mobile wireless nodes are received through the distributed air-water cross-domain wireless network, the water acoustic communication signals are converted into ultra-short wave communication signals and satellite communication signals, and communication with the shore-based information processing center is realized; The shore-based information processing center receives and processes various information from the submarine optical cable wired network and the distributed air-water cross-domain wireless network, communicates through the satellite communication and the submarine optical cable wired network, realizes the collection, processing and analysis of battlefield situation information, system network node state, underwater user data and other information through the central evaluation equipment, uploads and transmits the command and control instructions, evaluates and optimizes the network performance; Based on the instructions of the shore-based information processing center, the underwater mobile wireless nodes and the service application equipment of the submarine optical cable wired network are controlled and adjusted through the distributed air-water cross-domain wireless network, and the underwater information transmission is dynamically managed and optimized.

[0047] The application also provides a computer readable storage medium, which stores a computer program, and the program is executed by a processor to realize the steps of the above method. The computer readable storage medium can include but is not limited to any type of disk, including a floppy disk, an optical disk, a DVD, a CD-ROM, a micro drive, and a magneto-optical disk, a ROM, a RAM, an EPROM, an EEPROM, a DRAM, a VRAM, a flash memory device, a magnetic card or an optical card, a nanosystem (including a molecular memory IC), or any type of medium or device suitable for storing instructions and / or data.

[0048] It should be noted that, for the foregoing method embodiments, in order to simply describe, they are all expressed as a series of action combinations, but those skilled in the art should know that the present application is not limited to the action sequence described, because according to the present application, certain steps can be performed in other sequences or simultaneously. Secondly, those skilled in the art should know that the embodiments described in the specification all belong to preferred embodiments, and the actions and modules involved are not necessarily necessary for the present application.

[0049] In the above embodiments, the description of each embodiment is focused on, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0050] In several embodiments provided by the present application, it should be understood that the disclosed device can be implemented in other ways. For example, the device embodiments described above are only schematic. The division of the units is only a logical function division. There can be another division manner in actual implementation. For example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the displayed or discussed mutual couplings or direct couplings or communication connections between different units, can be indirect couplings or communication connections through some interfaces, devices or units, and can be electrical or other forms.

[0051] The units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, i.e. may be located in one place, or may also be distributed on multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the embodiment of the present application.

[0052] In addition, the functional units in each embodiment of the present application can be integrated in one processing unit, or each unit can exist physically, or two or more units can be integrated in one unit. The integrated unit can be realized in the form of hardware or in the form of a software functional unit.

[0053] The integrated unit, if realized in the form of a software functional unit and sold or used as an independent product, can be stored in a computer readable memory. Based on such understanding, the technical solutions of the present application essentially or the part that contributes to the prior art or the whole or part of the technical solutions can be embodied in the form of a software product. The computer software product is stored in a memory and includes a plurality of instructions for causing a computer device (which can be a personal computer, a server or a network device, etc.) to execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned memory includes: a U disk, a read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a mobile hard disk, a magnetic disk or an optical disk, and various media that can store program codes.

[0054] Those of ordinary skill in the art can understand that all or part of the steps in the various methods of the above embodiments can be completed by a program instructing relevant hardware, and the program can be stored in a computer readable memory, which can include a flash disk, a read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, etc.

[0055] The above is only an exemplary embodiment of the present disclosure, and cannot limit the scope of the present disclosure. That is, any equivalent changes and modifications made in accordance with the teachings of the present disclosure are still within the scope of the present disclosure. Those skilled in the art will easily think of embodiments of the present disclosure after considering the specification and practicing the disclosure herein. The present application is intended to cover any variations, uses or adaptations of the present disclosure that follow the general principles of the present disclosure and include common knowledge or conventional techniques in the art that are not described in the present disclosure. The specification and examples are only considered as exemplary, and the scope and spirit of the present disclosure are defined by the claims.

[0056] Any combination of the technical features of the above embodiments can be made, and for the sake of brevity, not all possible combinations are described, however, any combination of the technical features is considered to be within the scope of the present specification.

[0057] It should be understood by those skilled in the art that the above description is only the preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A cross-domain integrated information transmission network system for air and water, characterized in that, This includes submarine fiber optic cable networks, distributed air-water cross-domain wireless networks, and shore-based information processing centers. The submarine optical cable network is used to connect underwater fixed nodes with the shore-based information processing center via submarine optical cables. The distributed air-water cross-domain wireless network is used to communicate with underwater mobile wireless nodes through underwater acoustic communication, communicate with shore-based information processing centers through satellite communication, and connect to the submarine optical cable wired network through underwater acoustic communication. The shore-based information processing center is used to collect and process equipment data, and communicates via satellite communication and submarine fiber optic cable networks.

2. The integrated air-water cross-domain information transmission network system as described in claim 1, characterized in that, The submarine optical cable wired network adopts a grid network architecture, including backbone node equipment, access node equipment, shore-based access equipment, and service application equipment. Through the three-level structure of service application equipment, access node equipment, and backbone node equipment, long-distance transmission is transmitted to the shore-based access equipment of the shore-based information processing center.

3. The integrated air-water cross-domain information transmission network system as described in claim 2, characterized in that, The backbone node equipment is used to construct the backbone transmission network of the submarine optical cable wired network, providing a high-capacity, long-distance data transmission channel. The access node device is used to connect the business application device and the backbone node device to enable data access for the business application device; The shore-based access equipment includes a remote power supply, network operation and maintenance equipment, and a submarine optical cable network management system, which are used to provide power supply, operation, maintenance and management functions for the submarine optical cable wired network; The business application equipment includes positioning and navigation, early warning and detection, and seabed observation sensors, which are used to realize a variety of business application functions.

4. The integrated air-water cross-domain information transmission network system as described in claim 1, characterized in that, The distributed air-water cross-domain wireless network consists of two subnets: a surface wireless network and an underwater wireless network. Communication between the two subnets is handled by an air-water cross-domain communication gateway. The underwater wireless network uses underwater acoustic communication and wired network communication with the underwater mobile platform and submarine optical cable; The surface wireless network provides underwater communication and networking via ultra-shortwave wireless links, and transmits data back to the shore-based information processing center via satellite communication.

5. The integrated air-water cross-domain information transmission network system as described in claim 1, characterized in that, The shore-based information processing center includes a central server, shore-based access equipment, satellite communication station equipment, submarine optical cable shore-based transmission equipment, and central evaluation equipment; The central server is used for network data collection, aggregation, storage, and information fusion processing; The satellite communication station equipment is used to communicate via satellite communication and submarine optical cable wired network to realize information interaction with the distributed air-water cross-domain wireless network and the submarine optical cable wired network. The central evaluation equipment is used to collect, process, and analyze information, and to transmit command and control instructions.

6. The integrated air-water cross-domain information transmission network system as described in claim 1, characterized in that, The distributed air-water cross-domain wireless network realizes air-water cross-domain communication through cross-domain gateway nodes. The cross-domain gateway nodes are installed on buoy platforms. The buoy platforms are equipped with underwater acoustic communication equipment, satellite and ultra-shortwave communication equipment, and environmental perception sensors. Based on the antennas and communication equipment inside the buoy, bidirectional communication is implemented with other communication equipment in the air-water cross-domain integrated information transmission network system.

7. The integrated air-water cross-domain information transmission network system as described in claim 2, characterized in that, The service application equipment of the submarine optical cable wired network also includes early warning detection, marine observation and navigation timing service application equipment, which adopts a unified standard equipment interface and non-contact connection.

8. A method for integrated air-water cross-domain information transmission, characterized in that, Includes the following steps: The early warning detection information, positioning and navigation information, and seabed observation information collected by underwater fixed nodes are transmitted through a submarine optical cable wired network; The underwater acoustic communication signals sent by underwater mobile wireless nodes are received through a distributed air-water cross-domain wireless network, and the underwater acoustic communication signals are converted into ultra-short wave communication signals and satellite communication signals to realize communication with the shore-based information processing center. The shore-based information processing center receives and processes various types of information from submarine fiber optic cable wired networks and distributed air-water cross-domain wireless networks. It communicates via satellite communication and submarine fiber optic cable wired networks. Through the center's evaluation equipment, it summarizes, processes, and analyzes information such as battlefield situation information, system network node status, and underwater user data. It also uploads and transmits command and control instructions and evaluates and optimizes network performance. Based on instructions from the shore-based information processing center, the distributed air-water cross-domain wireless network controls and adjusts the service application equipment of underwater mobile wireless nodes and submarine optical cable wired networks, enabling dynamic management and optimization of underwater information transmission.

9. A cross-domain integrated information transmission device for air and water, characterized in that, It includes at least one processing unit and at least one storage unit, wherein the storage unit stores a computer program that, when executed by the processing unit, causes the processing unit to perform the steps of the method of claim 8.

10. A storage medium, characterized in that, It stores a computer program that can be executed by the air-water cross-domain integrated information transmission device. When the computer program is run on the air-water cross-domain integrated information transmission device, the air-water cross-domain integrated information transmission device performs the steps of the method described in claim 8.

Images