Underwater Node Localization using Optoacoustic Signals

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2201.08540.pdf (1.07 MB)

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https://arxiv.org/abs/2201.08540

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https://doi.org/10.48550/arXiv.2201.08540
 http://hdl.handle.net/11603/24334

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UMBC Computer Science and Electrical Engineering Department
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Author/Creator ORCID

https://orcid.org/0000-0003-3865-9217

Date

2022-01-21

Type of Work

conference papers and proceedings
preprints
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Citation of Original Publication

"Mahmud, Muntasir et al. Underwater Node Localization using Optoacoustic Signals. IEEE International Conference on Communications 16–20 May 2022 // Seoul, South Korea // Hybrid: In-Person and Virtual Conference."

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Abstract

—Localization of underwater networks is important in many military and civil applications. Because GPS receivers do not work below the water surface, traditional localization methods form a relative topology of underwater nodes (UWNs) and utilize either anchor nodes or floating gateways with dual transceivers in order to determine global coordinates. However, these methods introduce logistical complications and security risks in deploying the anchor and/or surface gateways. This paper tackles such an issue by proposing new localization techniques which can remotely localize UWNs using optoacoustic signals. In our approach, GPS coordinates are transmitted from air to the UWN via creating an underwater temporary isotropic acoustic transmitter with the optoacoustic process. We analyze the process of controlling the shape and size of the plasma to create the isotropic acoustic transmitter and experimentally validate the generation of isotropic acoustic signals. Then two methods of localization are proposed for static and dynamic UWNs. Finally, the simulation results with experimental values show the effectiveness of our approach. Comparing to the traditional techniques, our approach achieves the same accuracy without using any surface or underwater anchor nodes.