Abstract
Multi-hop transmissions in Underwater Wireless Sensor Networks (UWSN) have limited bandwidth and not stable links. Their objective consists in relaying data from each underwater device to the internet. Routing Protocols for UWSN are responsible for relaying data to the water surface, where an acoustic to electromagnetic converter uses well-established wireless communications to further relay them. Focused Beam Routing (FBR) is a well-known routing protocol for UWSN, which considers as forward candidates, only active neighbors which location is inside a cone specified by the direction from the forwarding node to the destination, an arbitrary angle and the communication distance.
In this paper, we propose an Enhanced FBR, which considers the depth of each candidate and limiting forwarding of data on not deeper nodes, and call it Depth-Based FBR (dFBR). We implement both FBR and its enhancement version (dFBR) in ONE Simulator, and compare their performances with Epidemic Routing (ER), a well-known routing protocols for Delay Tolerant Networks. The simulation results show that FBR and dFBR outperform ER in terms of Delivery Probability in our scenarios, where the buffer size is limited to a 30 MB memory.
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Kulla, E., Katayama, K., Matsuo, K., Barolli, L. (2021). Enhanced Focused Beam Routing in Underwater Wireless Sensor Networks. In: Barolli, L., Natwichai, J., Enokido, T. (eds) Advances in Internet, Data and Web Technologies. EIDWT 2021. Lecture Notes on Data Engineering and Communications Technologies, vol 65. Springer, Cham. https://doi.org/10.1007/978-3-030-70639-5_1
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DOI: https://doi.org/10.1007/978-3-030-70639-5_1
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