Istituto di Scienza e Tecnologie dell'Informazione     
Di Rienzo F., Girolami M., Chessa S., Paparella F., Caruso A. Signals from the depths: properties of percolation strategies with the Argo dataset. In: ISCC 2016 - 2016 IEEE Symposium on Computers and Communication (Messina, Italy, 27-30 June 2016). Proceedings, pp. 372 - 378. IEEE, 2016.
Underwater communications through acoustic modems rise several networking challenges for the Underwater Acoustic Sensor Networks (UASN). In particular, opportunistic routing is a novel but promising technique that can remarkably increase the reliability of the UASN, but its use in this context requires studies on the nature of mobility in UASN. Our goal is to study a real-world mobility dataset obtained from the Argo project. In particular, we observe the mobility of 51 free-drifting floats deployed on the Mediterranean Sea for approximately one year and we analyze some important properties of the underwater network we built. Specifically, we analyze the contact-time, inter- contact time as well density and network degree while varying the connectivity degree of the whole dataset. We then consider three known routing algorithms, namely Epidemic, PROPHET and Direct Delivery, with the goal of measuring their performance in real conditions for USAN. We finally discuss the opportunities arising from the adoption of opportunistic routing in UASN showing that, even in a very sparse and strongly disconnected network, it is still possible to build a limited but working networking framework.
URL: http://ieeexplore.ieee.org/document/7543768/?arnumber=7543768
DOI: 10.1109/ISCC.2016.7543768
Subject Underwater Sensor Networks
Opportunistic Routing Protocols
Temporal Networks

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