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Activity title

Cooperative Navigation in GNSS Degraded and Denied Environments

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Sensors & Electronics Technology

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Air Operations, AltPNT Complementary PNT, Collaborative PNT, Cooperative Communications for PNT, Cooperative PNT, Foliage Operations, GNSSDeniedDegraded, Integrated PNT, Mapping, Navigation, Positioning, Timing PNT, Underground, UrbanIndoor Operations


SET-229 on “Cooperative Navigation in GNSS Degraded and Denied Environments” was formed to explore technologies that will enhance NATO military effectiveness, particularly in challenging indoor and urban environments, through the use of advanced, cooperative/collaborative navigation sensor technologies and integration techniques. In light of intentional (jamming and spoofing) and unintentional GNSS threats, the need for robust and accurate positioning, navigation and timing (PNT) systems in GNSS degraded or denied environments is critical to ensure mission effectiveness and minimize casualties and collateral effects. Unintentional GNSS threats (multipath, shading etc.) are present during operations in urban and indoor environments. There is also a growing need to maintain PNT capabilities in the Anti-Access/Area Denial (A2/AD) environment. In such environments, it may be difficult for NATO forces to gain access to the battlespace and conduct military operations.


The objective of this activity will be to hold a STO Lecture Series in April / May 2020 that presents the current state-of-the-art in cooperative/collaborative navigation sensor, integration & communication technologies. Expert lecturers will provide an understanding of the issues faced by today’s system designers. The second day of the RLS will continue with lectures and technical discussions. Through this Lecture Series the community will be updated on cooperative navigation sensors, systems and operational integration techniques as practiced by leading experts in the field. A full text version of the course will be prepared for distribution.


• Cooperative/Collaborative PNT Technology Trends – PNT Sensors and techniques • Alternative (Complementary) sensors and techniques used in Cooperative PNT in GNSS degraded/denied environments • PNT Architectures • Time Transfer & Synchronization • PNT Fusion Algorithms • Cooperative PNT Communication Architecture • SET-229 Cooperative Nav Demo Results • PNT Cooperative Multi-Sensor Navigation across different platform types: Ground, Air, Sea, Underwater, Space & Dismounts

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