Topology formation of multi-AUV network with MAC and routing protocols
by S. Ansa Shermin; Yugansh Amit Dave; Chennareddy Krishna Pranay Reddy; Sarang C. Dhongdi
International Journal of Sensor Networks (IJSNET), Vol. 41, No. 3, 2023

Abstract: Underwater mobile sensor network (UWMSN) has become a promising ocean sampling and exploration technology. Various ocean phenomena can be effectively studied using these networks. This paper proposes a topology formation and networking using multiple autonomous underwater vehicles (AUVs) for surveying the phenomena called plumes. The multi-AUV network considers a dimension similar to the plume spread and discusses the data collection by multiple AUVs from a required region of interest (RoI). The AUVs traverse in lawn mower patterns and communicate at predetermined points to send the collected data to a sink node on the ocean surface. This work develops a geographical location-based time division medium access (TDMA) protocol and various physical layer parameters. It further implements the topology and protocol stack using UnetStack software developed by the Acoustic Research Laboratory at the National University of Singapore. The simulated network scans the area of (30 km × 10 km) using five AUVs and performs link analysis to calculate packet delivery ratio (PDR), hop-by-hop delay, and throughput using UnetStack.

Online publication date: Thu, 30-Mar-2023

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