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Unlike radio communication in terrestrial wireless sensor networks, acoustic channel in underwater wireless sensor network (UWSN) is challenged by long propagation delay and swarm mobility. The long propagation delay causes the deterioration of network throughput and unfairness. Moreover, the swarm mobility causes unreliable access and the failure of channel reservation. In this paper, we propose...
Unlike terrestrial radio frequency communication, acoustic waves are major communication means in underwater networks. Unfortunately, acoustic waves incur long propagation delays that must be considered in the media access control (MAC) design to achieve a high throughput. Another major reason for low throughput is that almost all the acoustic modems operate under half-duplex mode. For increasing...
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