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Simulation and analysis of GNSS-R composite waveforms using GPS and Galileo signals
Pascual Biosca, Daniel; Hyuk, Park; Camps Carmona, Adriano José; Alonso Arroyo, Alberto; Onrubia Ibáñez, Raúl
Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. RSLAB - Grup de Recerca en Teledetecció
Nowadays, several global navigation satellite system (GNSS) services coexist at L-band and some more will be available in the near future. These new signals were originally conceived to enhance the location accuracy, but they also offer a promising opportunity for improved GNSS-reflectometry (GNSS-R) retrievals. This work gives closed form expressions for GNSS-R waveform simulation using the composite GPSL1 and L5 and Galileo E1, E5, and E6 signals as function of the receiver bandwidth. The impact of the observation geometry and sea state on the waveform shape is studied in airborne and spaceborne conditions. Finally, the altimetric height bias using the derivative method is analyzed as function of the receiver bandwidth.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica
Altitudes--Measurement
Global Positioning System
Interferometry
Altimetry
Global navigation satellite system reflectometry (GNSS-R)
Passive Reflectometry and Interferometry System (PARIS)
Sea-surface
Ocean altimetry
PARIS
Reflections
Maps
Altituds -- Mesurament
GNSS (Sistema de navegació)
Interferometria
info:eu-repo/semantics/publishedVersion
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