Malicious anchor node extraction using geodesic search for survivable underwater wireless sensor network.

Area of Science:

• Underwater Wireless Sensor Networks (UWSN)
• Network Security
• Geodesic Geometry

Background:

• Localization in UWSNs is challenged by malfunctioning anchor nodes, rendering traditional geometric methods inadequate for network survivability.
• Existing UWSN topology approaches struggle to maintain functionality when critical nodes fail or exhibit mobility.

Purpose of the Study:

• To propose a novel symplectic geometry approach for identifying malicious anchor nodes in UWSNs.
• To develop a geodesic search algorithm (GSA) for robust target localization despite anchor node malfunction and node mobility.

Main Methods:

• A malicious anchor node model is presented, defining node movement within a 'ripple region'.
• A geodesic search algorithm (GSA) is developed, leveraging phase-space constancy for resilient underwater acoustic sensor network topology.
• The GSA decouples target localization from anchor node geometry, enhancing system survivability.

Main Results:

• Simulation results demonstrate the effectiveness of the geodesic formalism in mitigating the impact of node movement and anchor node malfunction.
• The proposed GSA achieved a 13.46% improvement in survivability related to node movement and a 9.26% reduction in the impact of anchor node malfunction.

Conclusions:

• The geodesic technique offers significant utility for aquamarine sensor deployments, enhancing UWSN resilience.
• This approach is beneficial for critical applications such as underwater resource exploration and defense planning.