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This study aims to estimate a model for the underwater acoustic environment in a Mediterranean area and to compare the model with existing other models of the sound attenuation in the zone of interest. The contribution of this paper is to develop a protocol to validate and adjust the offshore underwater attenuation models to a model of a Mediterranean area.
This work presents a first approach to wireless underwater sensor networks UWSN time synchronization, using OFDM (Orthogonal Frequency Division Multiplexing) acoustic communication and time reference served by a synchronization protocol. This synchronization and type of modulation allows getting a low drift clock on each sensor, on a high efficiency underwater communication network.
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