Repair method of wireless sensor network based on UAV
A technology of wireless sensor and repair method, applied in radio transmission system, network topology, wireless communication and other directions, can solve the problems of network formation of information islands, reduction of wireless sensor network monitoring range, node function failure and other problems
Active Publication Date: 2021-03-19
中山大学南方学院
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Problems solved by technology
[0004] The main purpose of the present invention is to overcome the shortcomings and deficiencies of the prior art, provide a wireless sensor network repair method based on drones, and solve the problems caused by the power exhaustion of key network nodes or the failure of node functions in the wireless sensor network for environmental monitoring. The wireless sensor network monitoring range is reduced, and the network forms an information island, etc.
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[0036] Such as figure 1 Shown, the wireless sensor network repairing method based on unmanned aerial vehicle of the present invention comprises the following contents:
[0037] S1. Wireless sensor network nodes are deployed in environmental monitoring areas according to specific requirements (such as user interest areas, environmental frequent areas, etc.), and network nodes independently form environmental monitoring wireless sensor networks through wireless modules in accordance with pre-communication protocols (pre-configured There are wireless communication protocols such as Zigbee, WiFi, etc. First, any node in the network initiates a networking request, and the surrounding nodes join the network, and repeat the above steps until all nodes join the network); at the same time, network nodes periodically or trigger Collect the environmental parameters of the monitoring area; and send the monitoring data to the remote server through multi-hop. The server stores and analyzes...
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The invention discloses a wireless sensor network repairing method based on an unmanned aerial vehicle. The method comprises the following steps: periodically collecting the state information of network nodes; classifying the network nodes into three modes: a normal state, a failed state and a critical state; selecting the nodes in the failed state and the critical state; providing secondary deployment nodes for overcoming corresponding reasons; putting the secondary deployment nodes in a case of the unmanned aerial vehicle; when the unmanned aerial vehicle takes off, hovering the unmanned aerial vehicle at corresponding position according to the flight path, and delivering the network nodes; after current deployment is finished, uploading the deployment information, and enabling the unmanned aerial vehicle to fly to next position; after all deployment is finished, enabling the unmanned aerial vehicle to return to base, to finish the network repairing deployment. According to the method disclosed by the invention, according to the failure reason of traditional network node repairing method, the risk of further failure of the nodes is reduced through secondary deployment of targetednetwork nodes; meanwhile, by adopting the unmanned aerial vehicle to perform node deployment, the cost can be lowered, and the labor intensity is reduced.
Description
technical field [0001] The invention belongs to the technical field of environmental monitoring, and relates to a method for repairing a wireless sensor network based on an unmanned aerial vehicle. Background technique [0002] Recently, with the continuous development of society and economy, environmental monitoring has begun to receive social attention. The main direction of the development of environmental monitoring has changed from manual monitoring methods to wireless remote monitoring, among which the remote real-time transmission of environmental monitoring data is extremely important. Wireless networking, intelligence, miniaturization, and integration are important trends in the development of environmental monitoring systems. Therefore, with the rapid development of semiconductors, wireless communication technology, and micro-electromechanical systems, wireless sensor networks have become the field of environmental monitoring. research hotspot. Wireless sensor ne...
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IPC IPC(8): H04W24/04H04B7/185H04W84/18
CPCH04B7/18506H04W24/04H04W84/18
Inventor 曹惠茹祝文坚钟晓婷李业谦
Owner 中山大学南方学院