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Simulation of Multimodal Optical and Acoustic Communications in Underwater Networks

Campagnaro, Filippo and Favaro, Federico and Guerra, Federico and Sanjuan Calzado, Violeta and Zorzi, Michele and Casari, Paolo (2015) Simulation of Multimodal Optical and Acoustic Communications in Underwater Networks. In: OCEANS 2015 MTS/IEEE Genova, 18-21 May 2015, Genova, Italy.

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In this paper, we consider data muling over a network of fixed sensors by employing a mobile Autonomous Underwater Vehicle (AUV). We approach the problem using both acoustic and optical communications together in a multi-modal hybrid network: the most appropriate physical layer is chosen according to the quality of the transmissions that take place over time. We consider three distinct cases of water type: clear, coastal and turbid water, in order to test the system behavior under different conditions. The ambient light noise is realistically reproduced via the Hydrolight software and taken into account, due to its important contribution to the optical SNR in shallow waters. Finally, we simulate the performance of the system using the DESERT Underwater framework during missions of interest in different channel conditions and network depth. Our results show the effectiveness of a multi-modal underwater network in the cases of clear and coastal waters.

Item Type: Conference or Workshop Papers (Paper)
Uncontrolled Keywords: Underwater acoustic networks, underwater optical networks, multi-modal underwater communications, ns2/NS-Miracle, Hydrolight.
Depositing User: Paolo Casari
Date Deposited: 17 Apr 2015 11:12
Last Modified: 17 Apr 2015 11:12

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