All Outputs (7)

Preliminary Design of a GNSS Interference Mapping CubeSat Mission: JamSail (2024)
Journal Article
Cormier, L., Yousif, T., Thompson, S., Arcia Gil, A., Pushparaj, N., Blunt, P., & Cappelletti, C. (2024). Preliminary Design of a GNSS Interference Mapping CubeSat Mission: JamSail. Aerospace, 11(11), Article 901. https://doi.org/10.3390/aerospace11110901

The JamSail mission is an educational CubeSat aiming to design, develop, and demonstrate two new technologies on a small satellite, tentatively scheduled for launch no earlier than 2026. When launched, JamSail will demonstrate the functionality of tw... Read More about Preliminary Design of a GNSS Interference Mapping CubeSat Mission: JamSail.

A Novel Single Differencing Measurement for Multipath Detection (2023)
Journal Article
Alcock, M., & Blunt, P. (2023). A Novel Single Differencing Measurement for Multipath Detection. Remote Sensing, 15(22), Article 5312. https://doi.org/10.3390/rs15225312

Increased global dependence on Global Navigation Satellite Systems (GNSSs) has resulted in a high demand for greater precision and reliable measurements from GNSS receivers. The multipath problem is the single largest source of errors in modernised G... Read More about A Novel Single Differencing Measurement for Multipath Detection.

Methodology for optimizing a Constellation of a Lunar Global Navigation System with a multi-objective optimization algorithm (2023)
Journal Article
Arcia Gil, A. D., Renwick, D., Cappelletti, C., & Blunt, P. (2023). Methodology for optimizing a Constellation of a Lunar Global Navigation System with a multi-objective optimization algorithm. Acta Astronautica, 204, 348-357. https://doi.org/10.1016/j.actaastro.2023.01.003

Global Navigation Satellite Systems (GNSS) are not only used in terrestrial applications, but also in Low-Earth orbit satellites and in higher altitude missions. NASA's Magnetospheric Multiscale (MMS) mission has demonstrated the capabilities of exis... Read More about Methodology for optimizing a Constellation of a Lunar Global Navigation System with a multi-objective optimization algorithm.

Interference Mitigation for GNSS Receivers Using FFT Excision Filtering Implemented on an FPGA (2022)
Journal Article
Yousif, T., & Blunt, P. (2022). Interference Mitigation for GNSS Receivers Using FFT Excision Filtering Implemented on an FPGA. Eng, 3(4), 439-466. https://doi.org/10.3390/eng3040032

GNSS receivers process signals with very low received power levels (<−160 dBW) and, therefore GNSS signals are susceptible to interference. Interference mitigation algorithms have become common in GNSS receiver designs in both professional and mass-m...

Performance Analysis of Zero-Difference GPS L1/L2/L5 and Galileo E1/E5a/E5b/E6 Point Positioning Using CNES Uncombined Bias Products (2022)
Journal Article
Zhao, L., Blunt, P., & Yang, L. (2022). Performance Analysis of Zero-Difference GPS L1/L2/L5 and Galileo E1/E5a/E5b/E6 Point Positioning Using CNES Uncombined Bias Products. Remote Sensing, 14(3), Article 650. https://doi.org/10.3390/rs14030650

The modernization of Global Navigation Satellite System (GNSS) including the transmission of signals on multiple frequencies has greatly promoted the development of the popular PPP (Precise Point Positioning) technique. A key issue of multi-frequency... Read More about Performance Analysis of Zero-Difference GPS L1/L2/L5 and Galileo E1/E5a/E5b/E6 Point Positioning Using CNES Uncombined Bias Products.

An Introduction to the HydroGNSS GNSS Reflectometry Remote Sensing Mission (2021)
Journal Article
Unwin, M. J., Pierdicca, N., Cardellach, E., Rautiainen, K., Foti, G., Blunt, P., …Tossaint, M. (2021). An Introduction to the HydroGNSS GNSS Reflectometry Remote Sensing Mission. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 14, 6987-6999. https://doi.org/10.1109/jstars.2021.3089550

HydroGNSS (Hydrology using Global Navigation Satellite System reflections) has been selected as the second European Space Agency (ESA) Scout earth observation mission to demonstrate the capability of small satellites to deliver science. This article... Read More about An Introduction to the HydroGNSS GNSS Reflectometry Remote Sensing Mission.

Orbital Filter Aiding of a High Sensitivity GPS Receiver for Lunar Missions (2017)
Journal Article
Farine, P.-A., Capuano, V., Botteron, C., & Blunt, P. (2017). Orbital Filter Aiding of a High Sensitivity GPS Receiver for Lunar Missions. Navigation, 64(3), 323-338. https://doi.org/10.1002/navi.185

Recent studies have shown that weak global navigation satellite system (GNSS) signals could potentially be used to navigate from Earth to the Moon. This would increase autonomy, robustness, and flexibility of the navigation architectures for future l... Read More about Orbital Filter Aiding of a High Sensitivity GPS Receiver for Lunar Missions.