State-of-the-art in protocol research for underwater acoustic sensor networks
WUWNet '06 Proceedings of the 1st ACM international workshop on Underwater networks
Proceedings of the 12th annual international conference on Mobile computing and networking
Shallow water acoustic networks
IEEE Communications Magazine
A network coding based protocol for reliable data transfer in underwater acoustic sensor networks
Proceedings of the Sixth ACM International Workshop on Underwater Networks
A JSW-based cooperative transmission scheme for underwater acoustic networks
Proceedings of the Seventh ACM International Conference on Underwater Networks and Systems
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Due to the half-duplex property of the underwater acoustic channels, the classic stop-and-wait ARQ (SW-ARQ) and its variants are generally thought to be the only class of ARQ protocols that can be applied in underwater. When combined with the large propagation delay property of the underwater acoustic channels, the use of SW-ARQ and its variants makes the throughput performance of underwater acoustic communication systems very inefficient. In this paper, we propose a transmission scheme that takes advantage of the long propagation delay in underwater to enable the use of continuous ARQ protocols over underwater acoustic channels. Simulation results show that our proposed transmission scheme allows much higher throughput to be achieved than both the classic SW-ARQ and its variants, even when simple continuous ARQ protocols are used.