K -Means++-Based Secure and Efficient Routing Protocol Design for Underwater Sensor Networks

Le résumé fourni par la source

The energy expenditure of underwater sensor nodes significantly exceeds the expenditure of terrestrial sensor nodes due to the challenging conditions of underwater acoustic communication channels. Maintaining and recharging sensor node equipment in underwater wireless sensor networks is particularly difficult due to the complexity of the underwater environment, thereby rendering energy consumption a pivotal concern. Clustering algorithms are regarded as a promising solution to address this challenge. By employing a K-means++-based clustering algorithm for more stable clustering of sensor nodes and taking into account pertinent factors involving node location, residual energy, and node degree in selecting the cluster’s head node, this study targets minimizing network energy consumption over the cluster establishment stage. During the data transfer stage, we prioritize network security and transmission efficiency by implementing a routing strategy that combines single-hop and double-hop propagation paths based on trust security models to mitigate risks from network attacks and black hole nodes. We also introduce a lightweight learning layer for per-link delivery and CH ranking, plus an unsupervised anomaly gate to down-weight suspicious nodes; both fuse with trust and fairness while leaving the physical and energy models unchanged. Simultaneously, AUVs are utilized to anchor sink nodes and directly transmit collected information from CHs. The results of the simulation in MATLAB indicate that the suggested routing protocol KSERP successfully balances and lessens the total energy consumption of the network while offering protection from malicious node attacks.

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