In this study, we conducted preliminary experiments to characterize an acoustic sonar 12 for underwater communication. We carried on image transmission experiments and attempted to reduce reflections using insulating cork. Moving the buoy along the surface revealed the central area of the tank to have the best communication with Girona. We plan to conduct further experiments with the acoustic modem in a realistic environment. In addition, we are also testing Visible Light Communication (VLC) 3 optical modems, which yielded better results than the acoustic modem. We aim to develop a multimodal system for improved communication under different environmental conditions.
González et al. (Sun,) studied this question.
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