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Heterogeneous node cooperative sensing system and method for offshore self-organizing network

A self-organizing network and heterogeneous node technology, which is applied in network planning, network topology, and services based on specific environments, etc., can solve problems such as high importance of monitoring areas, difficulty in achieving node energy balance, and increasing node failure probability , to achieve the effect of increasing network coverage, realizing efficient maintenance and dynamic monitoring, reducing network energy consumption and packet loss rate

Inactive Publication Date: 2020-03-27
OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the USV only traverses the cluster head nodes, it needs to wait for all nodes to upload data to the cluster head; at the same time, the multi-hop routes with too many nodes in the cluster will consume a lot of energy and increase the probability of node failure, making it difficult to achieve energy balance of nodes
[0006] Second, due to the high importance of some monitoring areas, it is necessary to collect a large amount of data such as images or videos, and the rest of the areas only need to collect middle-level data such as wind force, temperature and salinity. How to deploy sensor network nodes and take into account different collections Problems with scale data to be solved

Method used

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  • Heterogeneous node cooperative sensing system and method for offshore self-organizing network
  • Heterogeneous node cooperative sensing system and method for offshore self-organizing network
  • Heterogeneous node cooperative sensing system and method for offshore self-organizing network

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Embodiment 1

[0032] In one or more embodiments, a heterogeneous node cooperative sensing system for maritime self-organizing networks is disclosed, including: sensor network nodes, cluster head nodes and gateway nodes respectively deployed on the sea surface to form a cluster structure network ; select several optimal sub-cluster head nodes in each cluster, the sub-cluster head nodes and cluster head nodes in each cluster form a star network, and the sensor network nodes and sub-cluster head nodes within the sub-cluster form a multiple Jump routing network, the remaining sensor nodes outside the coverage of all sub-clusters in the cluster will directly form a multi-hop routing network with the cluster head node through a multi-hop method, such as figure 1 1->2->3->CH in 2 .

[0033] Specifically, sensor nodes (including sub-cluster head nodes) are densely deployed on the sea surface, with limited resources and small storage space, and are suitable for wireless multi-hop forwarding of medi...

Embodiment 2

[0066] In one or more embodiments, a heterogeneous node cooperative sensing method for maritime self-organizing networks is disclosed. First, the optimal sub-cluster head nodes in all clusters in the network are selected to establish a three-layer network structure; and then The USV plans the shortest path, and moves through each cluster head and sub-cluster head node in the network to complete the storage and forwarding of the sensing data; finally, the USV planning path is changed in real time according to the command, so as to realize the data collaborative sensing of all heterogeneous nodes.

[0067] refer to Figure 4 , the method of this embodiment specifically includes the following steps:

[0068] 1) Selection of sub-cluster head nodes: First, deploy sensor network nodes and cluster head nodes on the sea surface to form a cluster structure network, and then calculate the optimal The sub-cluster head node, get the optimal set of sub-cluster head nodes;

[0069] 2) Thr...

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Abstract

The invention discloses a heterogeneous node cooperative sensing system and method for an offshore self-organizing network, and the method comprises the steps: selecting an optimal sub-cluster head node through employing a fitness equation, and building a self-organizing network model of a three-layer cluster structure; planning a global shortest path of a USV and moving and traversing all clusterhead and sub-cluster head nodes; realizing USV local path planning through a multi-hop relay network formed by the cluster heads and the sub-cluster heads, and planning a USV moving path in real time, so that a heterogeneous node cooperative sensing system oriented to the offshore self-organizing network is established. Through the double-layer collection effect of the cluster heads and the sub-cluster head nodes and the USV global and local combined path planning method, energy consumption balance of the offshore self-organizing network and efficient maintenance and dynamic monitoring of thenetwork can be effectively achieved.

Description

technical field [0001] The present invention relates to the technical field of self-organizing networks, and in particular to a heterogeneous node cooperative sensing system and method for maritime self-organizing networks. Background technique [0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art. [0003] Maritime self-organizing network monitoring technology provides strong technical support and guarantee for marine transportation, emergency rescue, and marine environment monitoring. It has the characteristics of flexible deployment, low cost, and little impact on the environment, and has great advantages in monitoring key areas on the sea. , improving people's dynamic monitoring and response capabilities to the marine environment, resources, and disasters. The maritime self-organizing network includes offshore mobile node carriers such as unmanned marine vehicles (USV), ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/40H04W4/38H04W16/14H04W52/02H04W84/18G01C21/20
CPCG01C21/203H04W4/38H04W4/40H04W16/14H04W52/02H04W84/18Y02D30/70
Inventor 胡一帆陈杰吕斌刘海林陈露孙玉娇吕成兴袁健张照文曹琳李辉
Owner OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI
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