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This paper proposes a rigorous framework for maintaining integrity-bounded positioning in road tunnels by fusing satellite data at portals with distributed acoustic sensing (DAS), cameras, and onboard sensors. It shifts the paradigm from simple dead reckoning to infrastructure-assisted cross-modal track continuity, emphasizing edge computing for real-time fusion and integrity monitoring. The work outlines a falsifiable research agenda essential for advancing connected and automated vehicle safety in GPS-denied environments.
Beyond Dead Reckoning: A Point of View on Camera--DAS--GNSS Continuity in Road Tunnels
arXiv:2609.14748v1 Announce Type: new Abstract: Road tunnels remove satellite visibility where connected and automated vehicles still require continuous, attributable, and integrity-bounded positioning. This Point of View argues that tunnel localization should be treated as infrastructure-assisted cross-modal track continuity, not as extrapolation from the last trusted satellite fix. A trusted portal satellite solution provides the global anchor, distributed acoustic sensing (DAS) continuous motion evidence, cameras sparse identity and lane anchors, onboard sensing short-term dynamics, and edge computing association, fusion, integrity monitoring, and guarded reacquisition. Ground truth is reserved for offline calibration and validation. The article develops a falsifiable research and deployment agenda for progressing from synchronized multimodal evidence to validated, integrity-aware tunnel positioning continuity.
Abstract:Road tunnels remove satellite visibility where connected and automated vehicles still require continuous, attributable, and integrity-bounded positioning. This Point of View argues that tunnel localization should be treated as infrastructure-assisted cross-modal track continuity, not as extrapolation from the last trusted satellite fix. A trusted portal satellite solution provides the global anchor, distributed acoustic sensing (DAS) continuous motion evidence, cameras sparse identity and lane anchors, onboard sensing short-term dynamics, and edge computing association, fusion, integrity monitoring, and guarded reacquisition. Ground truth is reserved for offline calibration and validation. The article develops a falsifiable research and deployment agenda for progressing from synchronized multimodal evidence to validated, integrity-aware tunnel positioning continuity.
Robotics (cs.RO)
arXiv:2609.14748 [cs.RO]
(or arXiv:2609.14748v1 [cs.RO] for this version)
https://doi.org/10.48550/arXiv.2609.14748 Focus to learn more arXiv-issued DOI via DataCite (pending registration)
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