UWSNS routing hole repair method assisted by autonomous underwater vehicle
A technology for underwater vehicles and repair methods, applied in network topology, network traffic/resource management, electrical components, etc., can solve problems such as data falling into routing holes, and UWSNs routing hole repair methods have not yet been found, so as to solve the problem of routing holes , to avoid the effect of data conflicts
Active Publication Date: 2021-05-07
TIANJIN CHENGJIAN UNIV
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Problems solved by technology
[0004] At present, the underwater routing hole protocol only designs routing strategies for hole nodes, ignoring the trap nodes that cause routing holes in UWSNs, and forwarding data through trap nodes will eventually cause data to fall into routing holes
However, there is no report on the UWSNs routing hole repair method assisted by autonomous underwater vehicles.
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[0049] The present invention will be described in detail below in conjunction with the accompanying drawings and specific implementation.
[0050] Such as Figure 5 As shown, the UWSNs routing hole repair method assisted by the autonomous underwater vehicle provided by the present invention includes the following steps carried out in order:
[0051] Step 1. Hole detection stage: construct such as figure 1 The network model shown. The present invention assumes that a large number of ordinary nodes are deployed in the 3D UWSNs to monitor the underwater environment, and the ordinary nodes collect data from the surrounding environment, and send the data to the sonar buoy through multi-hop acoustic communication, and the sonar buoy transmits the data to the monitoring center through wireless links or satellites Perform data analysis. When ordinary nodes have routing holes within the communication range, AUV designs navigation trajectories according to the positions of hole nodes...
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The invention belongs to the technical field of underwater sensor networks, and particularly relates to a UWSNs routing hole repair method assisted by an autonomous underwater vehicle, which solves the routing hole problem through the hole detection stage and the data transmission stage, wherein the hole detection stage effectively detects hole nodes and Trap nodes can find routing holes without adding additional overhead, thereby reducing network delay; in the data transmission stage, each round of data collection of AUV designs the navigation trajectory according to the location of routing holes, and the nodes near the trajectory directly send data to AUV , nodes that are far away from the trajectory forward data through opportunistic routing to adapt to the diversity of underwater environment changes, improve data transmission performance, and realize network hole repair; the invention is suitable for mobile collection of autonomous underwater vehicles in underwater environments The routing hole repair strategy used in data processing has positive significance for the detection of large-scale sea areas, environmental investigation and research.
Description
technical field [0001] The invention belongs to the technical field of underwater sensor networks, in particular to a UWSNs routing hole repair method assisted by an autonomous underwater vehicle. Background technique [0002] With the reduction of land resources, people pay more and more attention to the development of underwater resources. Underwater sensor networks (UWSNs) are widely used in military defense, underwater environment monitoring, disaster prevention and other fields. Compared with wireless sensor networks, UWSNs communicate through underwater acoustic channels, the node deployment is relatively sparse, and battery charging is difficult and expensive. In the harsh underwater environment, UWSNs face many challenges such as narrow available bandwidth, high deployment cost, and limited node energy. Due to the uneven distribution of nodes and improper selection of forwarding nodes, nodes cannot find neighbor nodes to continue forwarding data within the communic...
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IPC IPC(8): H04W24/06H04W28/04H04W40/10H04W40/20H04W84/18H04B13/02
CPCH04B13/02H04W24/06H04W28/04H04W40/10H04W40/20H04W84/18
Inventor 郝琨丁钰莹李成赵璐
Owner TIANJIN CHENGJIAN UNIV