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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…

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…

Pulsar Timescale Demonstration

The objective of this activity is to demonstrate the effectiveness of Pulsar Timescale for the generation and monitoring of Position, Navigation and Timing (PNT) and Global Navigation Satellite System (GNSS) time. For the latter, the capabilities of the Galileo Processing Centre at ESA/ESTEC in terms of access to Galileo Experimental Sensor Stations and data processing capabilities will be…

Cooperative Navigation and Cloud Processing

The current evolution of the Internet of Things (IoT) and Smart Cities, together with the proliferation in the last years of cloud platforms where storage and processing of data can, ideally, be handled on demand, has boosted the appearance of new applications and services in the positioning domain of potential interest for specific use cases. In particular, the processing in the cloud of GNSS…

Weather Monitoring Based on Collaborative Crowdsourcing

The measurement of Integrated Water Vapour using GNSS stations from a network of reference stations have been demonstrated. During the last years, the existence of multi- constellation and multi-frequency GNSS increases the effectiveness and reliability of such measurements for weather prediction. Currently the availability of affordable powerful hand-held GNSS receivers with…

Space GNSS Receiver for In-Orbit Demonstration of PPP

The object of the activity is to design, develop and validate/verified a GNSS space receiver capable to perform on board precise orbit determination (P2OD) in real time using precise GNSS orbit and clock corrections provided either by Geostationary satellites or Galileo Commercial Service (thus allowing on board autonomy w.r.t to ground stations). The concept is similar to what is performed on…

Low-Cost GNSS Antenna Arrays for Improved Performance, Anti-Spoofing, and Meaconing and Interference Mitigation

The activity primarily targets GNSS antennas for autonomous driving vehicles, which is a fast growing market. It is foreseen that future vehicles will rely less and less on humans, and more and more on Advanced Driver Assistance Systems (ADAS), requiring reliable navigation based on several sensors (GNSS and others) in order to ensure security and safety inside and outside the vehicle in all…

Resilient, Trustworthy, Ubiquitous Time Transfer

Secure and reliable time transfer is a key enabler for the next generation of services worldwide. A number of different applications such as 5G mobile broadband, mobile multimedia broadcast, power grids, terrestrial positioning services, financial operations, IoT, big data and cloud processing will require accurate, secure and reliable time information to be able to work consistently and…

High-Altitude Pseudo-Satellites for PNT

High-Altitude Pseudo-Satellites (HAPS) are airships “quasi-”stationed at a height of 20-30 km, in an altitude range where atmospheric winds are milder. HAPS are normally solar powered, unmanned, large, helium filled and semi-rigid; they can be operational for several years.  HAPS have been studied in the telecom domain (ESA GSP HAPPIEST study), where they were briefly considered…