IMDEA Networks Institute Publications Repository

Routing in Multi-Modal Underwater Networks: a Throughput-optimal Approach

Diamant, Roee and Casari, Paolo and Campagnaro, Filippo and Zorzi, Michele (2017) Routing in Multi-Modal Underwater Networks: a Throughput-optimal Approach. In: The 1st IEEE Workshop on Wireless Communications and Networking in Extreme Environments Workshop (WCNEE 2017), in conjunction with the 36th IEEE International Conference on Computer Communications (IEEE INFOCOM 2017), 1 May 2017, Atlanta, GA, USA.

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While acoustic signals are still the main communication means under water, other technologies are being developed, e.g., based on optical and radio-frequency electro-magnetic waves. Each technology has its own advantages and drawbacks to trade off, e.g., communication range vs. bit rate. Recently, new approaches are emerging to leverage the advantages of several underwater technologies by incorporating them in a multi-modal communication system. In this paper, we address a fundamental part of these multi-modal systems by proposing a novel routing protocol for networks of multi-modal nodes. Our protocol makes distributed optimal and fair decisions about the per-link flow, prevents bottlenecks, and allows simultaneous transmissions using multiple technologies in order to advance a packet towards its destination. We analyze the performance of our protocol via model-based simulations and compare it to benchmark results. Our results show that our protocol successfully leverages all technologies to deliver data, even in the presence of imperfect topology information.

Item Type: Conference or Workshop Papers (Paper)
Uncontrolled Keywords: Underwater networks; underwater acoustic communications; optical communications; multi-modal systems; optimal routing; simulations.
Depositing User: Paolo Casari
Date Deposited: 04 Jul 2017 10:00
Last Modified: 04 Jul 2017 10:00

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