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A method and system for uuv cluster ad hoc network based on underwater acoustic communication

A technology of underwater acoustic communication and self-organizing network, which is applied in ultrasonic/acoustic/infrasonic transmission systems, transmission systems, wireless communications, etc., and can solve problems such as difficult control of confidentiality and complex system structure

Active Publication Date: 2022-02-15
SHANGHAI ACOUSTICS LAB CHINESE ACADEMY OF SCI
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Problems solved by technology

Distributed cluster system can effectively reduce communication costs, improve response speed, good scalability, higher reliability and better availability, but also has disadvantages such as complex system structure and difficult control of confidentiality

Method used

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  • A method and system for uuv cluster ad hoc network based on underwater acoustic communication
  • A method and system for uuv cluster ad hoc network based on underwater acoustic communication
  • A method and system for uuv cluster ad hoc network based on underwater acoustic communication

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Embodiment Construction

[0062] The present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0063] This embodiment provides a UUV cluster ad hoc network method based on underwater acoustic communication, the flow chart of which is as follows figure 1 As shown, it specifically includes the following steps.

[0064] S100: Network establishment: multiple UUV nodes select the master node through a competition mechanism, and other UUV nodes are automatically configured as slave nodes to establish a UUV cluster ad hoc network. In the UUV cluster ad hoc network, the autonomous network status of each UUV node Convert from distributed cluster mode to centralized cluster mode.

[0065] S200: Network merging: when the master nodes of two or more ad hoc networks detect the underwater acoustic network merging signals of other ad hoc network master nodes, they share the information between the master nodes through underwater acoustic...

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Abstract

This application discloses a UUV cluster self-organizing network method and system based on underwater acoustic communication. The self-organizing network method includes: network establishment: multiple UUV nodes select a master node through a competition mechanism, and other UUV nodes are automatically configured as slaves Node, establish UUV cluster ad hoc network; network merging: two or more ad hoc networks are merged; network decomposition: the master node of the network to be decomposed transmits an underwater acoustic network decomposition signal, and performs network exit according to the underwater acoustic network decomposition signal. After exiting, the node re-establishes the self-organizing network according to the network establishment mechanism; network reconstruction: when the master node of the UUV cluster self-organizing network is damaged or missing, the competition mechanism re-selects the master node, and other UUV nodes are automatically configured as slave nodes. Reconstruct the UUV swarm ad hoc network. Combining centralized and distributed UUV clusters, it has the characteristics of autonomous state transition, data exchange, resource sharing, etc. It supports node join / exit mechanism and network merge / decompose mechanism within the range of acoustic action distance.

Description

technical field [0001] The present application relates to the technical field of UUV swarm ad hoc network, in particular to a UUV swarm ad hoc network method and system based on underwater acoustic communication. Background technique [0002] UUV (Unmanned Underwater Vehicle) plays an important role in the current ocean exploration, ocean development, military operations and other fields. It can not only complete specific underwater tasks in complex marine environments, but also complete a series of actions such as autonomous navigation, positioning, and obstacle avoidance without human participation. Therefore, the research on UUV not only has important scientific significance, but also has a strong urgent demand in the military field. [0003] As the complexity of underwater operations continues to increase, the previous underwater operations based on single UUVs are difficult to meet the needs of working time, scope, capacity, and efficiency. In recent years, a large num...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B13/02H04B11/00H04W84/18H04W56/00
CPCH04B13/02H04B11/00H04W84/18H04W56/001
Inventor 郭霖石扬刘松海王姝湘沈广波
Owner SHANGHAI ACOUSTICS LAB CHINESE ACADEMY OF SCI
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