An overview of GNSS remote sensing

Yu, K, Rizos, C, Burrage, D, Dempster, A, Zhang, K and Markgraf, M 2014, 'An overview of GNSS remote sensing', EURASIP Journal on Advances in Signal Processing, 134, pp. 1-14.


Document type: Journal Article
Collection: Journal Articles

Title An overview of GNSS remote sensing
Author(s) Yu, K
Rizos, C
Burrage, D
Dempster, A
Zhang, K
Markgraf, M
Year 2014
Journal name EURASIP Journal on Advances in Signal Processing
Article Number 134
Start page 1
End page 14
Total pages 14
Publisher Springer
Abstract The Global Navigation Satellite System (GNSS) signals are always available, globally, and the signal structures are well known, except for those dedicated to military use. They also have some distinctive characteristics, including the use of L-band frequencies, which are particularly suited for remote sensing purposes. The idea of using GNSS signals for remote sensing - the atmosphere, oceans or Earth surface - was first proposed more than two decades ago. Since then, GNSS remote sensing has been intensively investigated in terms of proof of concept studies, signal processing methodologies, theory and algorithm development, and various satellite-borne, airborne and ground-based experiments. It has been demonstrated that GNSS remote sensing can be used as an alternative passive remote sensing technology. Space agencies such as NASA, NOAA, EUMETSAT and ESA have already funded, or will fund in the future, a number of projects/missions which focus on a variety of GNSS remote sensing applications. It is envisaged that GNSS remote sensing can be either exploited to perform remote sensing tasks on an independent basis or combined with other techniques to address more complex applications. This paper provides an overview of the state of the art of this relatively new and, in some respects, underutilised remote sensing technique. Also addressed are relevant challenging issues associated with GNSS remote sensing services and the performance enhancement of GNSS remote sensing to accurately and reliably retrieve a range of geophysical parameters.
Subject Geodesy
Navigation and Position Fixing
Keyword(s) GPS
GNSS
radio occultation
DOI - identifier 10.1186/1687-6180-2014-134
Copyright notice © 2014 Yu et al.; licensee Springer
ISSN 1687-6172
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