Proceedings of the 12th annual international conference on Mobile computing and networking
Energy-efficient reliable broadcast in underwater acoustic networks
Proceedings of the second workshop on Underwater networks
Shallow water acoustic networks
IEEE Communications Magazine
A CDMA-based medium access control for underwater acoustic sensor networks
IEEE Transactions on Wireless Communications
Overview of networking protocols for underwater wireless communications
IEEE Communications Magazine
Task allocation for networked autonomous underwater vehicles in critical missions
IEEE Journal on Selected Areas in Communications
Distributed routing algorithms for underwater acoustic sensor networks
IEEE Transactions on Wireless Communications
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Underwater networks are envisioned to enable several applications for oceanographic data collection, environmental monitoring, navigation, and tactical surveillance. Underwater acoustic networking is the enabling technology for these applications. Most of these applications make use of underwater vehicles and rely on inter-vehicle communication capabilities for information exchange and coordination purposes. Reliable data delivery, especially in the case of mobile underwater vehicles, is therefore a major concern in many of these applications. In this paper, three versions of a reliable unicast protocol are proposed, which integrate MAC and routing functionalities and leverage different levels of neighbor knowledge for making optimum decisions for reliable data delivery. The different levels of neighbor knowledge used by the protocols are: (i) no neighbor knowledge, (ii) one-hop neighbor knowledge, and (iii) two-hop neighbor knowledge. The three versions of the protocol have been devised by considering the peculiar characteristics of underwater channel, in design as well as in performance simulation. The protocols have been compared in static as well as mobile scenarios in terms of different end-to-end networking metrics.