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Updated: Feb 5, 2026

Real-Time Void Spot Assay
Published on: February 10, 2023
Avoiding Void Holes and Collisions with Reliable and Interference-Aware Routing in Underwater WSNs
Nadeem Javaid1, Abdul Majid2, Arshad Sher3
1Department of Computer Science, COMSATS University Islamabad, Islamabad 44000, Pakistan. nadeemjavaid@comsats.edu.pk.
Abstract:
Sparse node deployment and dynamic network topology in underwater wireless sensor networks (UWSNs) result in void hole problem. In this paper, we present two interference-aware routing protocols for UWSNs (Intar: interference-aware routing; and Re-Intar: reliable and interference-aware routing). In proposed protocols, we use sender based approach to avoid the void hole. The beauty of the proposed schemes is that they not only avoid void hole but also reduce the probability of collision. The proposed Re-Intar also uses one-hop backward transmission at the source node to further improve the packet delivery ratio of the network. Simulation results verify the effectiveness of the proposed schemes in terms of end-to-end delay, packet delivery ratio and energy consumption.
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