Shortest path routing calculation method for underwater wireless sensor network

A technology of wireless sensor and shortest path, which is applied in the field of shortest path routing calculation of underwater wireless sensor network, which can solve the problems of unusable routing algorithm and inability to obtain the global position information of underwater wireless sensor network, so as to reduce the data packet loss rate, Improve the protection mechanism and reduce the effect of energy consumption
CN110177375APending Publication Date: 2019-08-27HUNAN INST OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
HUNAN INST OF TECH
Publication Date
2019-08-27

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Abstract

The invention discloses a shortest path routing calculation method for an underwater wireless sensor network. The invention specifically relates to the technical field of wireless sensor networks. Themethod specifically comprises the following steps of: selecting a node closest to the node as a cache node, dividing the monitoring environment into a Voronoi diagram; wherein the cache node is usedas the center of each Voronoi unit; forwarding the data passing through a plurality of nodes in the Voronoi unit to the sink node through the cache node; wherein when the Voronoi unit is A, the central coordinate is (xe, ye); path length limiting formula for transmitting data to cache node through node in A is shown in the specification. According to the method, the underwater network time delay and the data packet loss rate are greatly reduced, the energy consumption is greatly reduced, the determination and selection of underwater routing nodes are realized, the shortest path suitable for the underwater wireless sensor network is obtained, and the life cycle of the whole wireless network is prolonged.
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Description

technical field

[0001] The invention relates to the technical field of wireless sensor networks, and more specifically, the invention relates to a method for calculating the shortest path route of an underwater wireless sensor network. Background technique

[0002] Underwater wireless sensor networks are widely used in underwater environment monitoring, earthquake detection, resource discovery and other fields. Radio signals and optical signals are seriously absorbed in underwater transmission. The receiving sensor nodes on the water surface are equipped with radio modulators and underwater acoustic modulation. The radio modulator is used to modulate the communication from the receiving sensor node to the data center, and the underwater acoustic modulator is responsible for the communication from the underwater sensor node to the receiving sensor node. Since the underwater sensor nodes and the receiving sensor nodes move with the movement of the water flow, the positions of ...

Claims

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