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Complementary PNT Infrastructure in LEO

GNSS is the only global, free, comprehensive technology providing absolute PNT data to users worldwide. Its limitations are known, including long life cycle and replenishment schedule, affecting their ability to adapt easily to short term market needs and to some extent, resilience. Considering the above, alternative PNT methods and solutions have been developed, innovative PNT systems are…

System Suitability Study for Train Positioning Using GNSS in ERTMS in 2020

The objective of this activity is to study the suitability of the current generation of SBAS for use in an evolution of the European Rail Traffic Management System (ERTMS) using GNSS for virtual balise detection. This activity focuses on the current generation of the European SBAS, EGNOS v2 (GPS L1 only) and includes the following aspects: Review and consolidate requirements and…

Multi-System Multi-Sensor Maritime PNT Test Equipment

The activity "Multi-System Multi-Sensor Maritime PNT Test Equipment" will tackle the study of methods and techniques for the combined use of multiple systems and sensors inmaritime PNT receivers to characterise achievable classes of performance. At the same time is will also require the implementation of an experimental platform for testing and benchmarking the combination of methods and…

Multipath & Interference Error Mitigation Techniques for Future Maritime e-NAV Services

The study, characterisation, modelling and mitigation of multipath and interference in maritime environments for different operational scenarios are considered of paramount importance. The objectives of this activity are to characterise the multipath and interference errors experienced by marine PNT receivers, in particular GNSS, and to derive suitable error models for maritime space-based PNT…

Artificial Intelligence / Machine Learning Sensor Fusion for Autonomous Vessel Navigation

Maritime transport is currently facing new challenges such as significant increases in transport volumes, more stringent environmental requirements and a shortage of seafarers in the future.  One of the many new concepts having the potential to overcome these challenges is autonomous ship navigation. In particular, the concept is expected to allow for more efficient and competitive ship…

Integrity Monitoring and Prediction Concept for Autonomous Car Resilience and Safety

Autonomous driving is seen by many as a coming technology disruption that will have profound impacts on industry, society and the economy. One of the great hopes of autonomous driving proponents is the realisation of huge safety improvements. According to the World Health Organization, road accidents account for 3,400 deaths every day around the world. This is more deaths than those caused, for…

Low-cost multi-frequency multi-constellation GNSS antenna for CubeSats

Satellites flying in LEO are relying more and more on Precise Orbit Determination (POD) through GNSS and in particular the computation of real time on-board POD with accuracy at centimetre level. Receivers for in-orbit demonstration of Precise Point Positioning (PPP) currently under development under NAVISP (NAVISP-EL1-009: ‘Space GNSS Receiver for Un-Orbit Demonstration of PPP’) and the…

Precise Relative Positioning in MEO to support Science Missions

Precise relative positioning in MEO (Medium Earth Orbit, at altitudes ranging between 2,000 and 36,000 km) exploiting GNSS is a subject that has been little explored while having high potential for enabling an interesting set of applications based on space-to-space interferometry. Establishing accurate inter-satellite baselines based on GNSS measurements would open the door to new missions at…

Enabling Ultra-High Accuracy Positioning in Challenging Environment

The need for high accuracy PNT in challenging environments has become obvious and, henceforth, mandatory for many applications. Currently, an accuracy target of 1 m in an urban environment seems a realistic achievement with multi-GNSS PPP or RTK capabilities. A significant R&D effort is ongoing to reach this target in operational products, using carrier phase positioning (PPP and RTK) and European…

PNT using Neutrino Particles

This proposed activity represents an innovative concept to realise Positioning, Navigation and Timing using neutrino particles. At present, standard navigation approaches – including satellite navigation – rely on direct line-of-sight RF and optical communications. Neutrinos move at around the speed of light, have no electric charge and are low mass, thus showing very low interaction with…