Rebeca Aranha Barbosa Sousa

University of Lisbon, Instituto Superior Técnico

Papers

Total Citations

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About

Rebeca Aranha Barbosa Sousa is a researcher whose work lies at the intersection of underwater robotics and autonomous navigation systems. Her primary research focuses on developing joint positioning and navigation aiding systems for multiple underwater robots, addressing the critical challenge of accurate localization in subsea environments where GPS is unavailable. Her most influential paper, "Joint Positioning and Navigation Aiding Systems for Multiple Underwater Robots" (2009), has garnered 11 citations and proposes a novel architecture where a submerged target equipped with a low-precision clock emits periodic acoustic signals, tracked by a surface array of buoys. This work, alongside her earlier foundational paper (2008, 6 citations), introduces a cost-effective solution for cooperative underwater navigation, enabling multiple robots to maintain formation and share positioning data. Sousa’s contributions are particularly notable for their practical approach to overcoming clock drift and acoustic signal degradation, making her research valuable for applications in ocean exploration, environmental monitoring, and autonomous underwater vehicle (AUV) fleets. Her work continues to influence the design of robust, scalable navigation systems for complex underwater missions.