Results 91 to 100 of about 2,307 (194)
, 2017 Due to the widespread deployment of Global Navigation Satellite Systems (GNSSs) for critical road or urban applications, one of the major challenges to be solved is the provision of integrity to terrestrial environments, so that GNSS may be safety used ...
Egea-Roca, Daniel +3 more
core +1 more source
Avionics-based GNSS integrity augmentation for unmanned aerial systems sense-and-avoid [PDF]
, 2014 This paper investigates the synergies between a GNSS Avionics Based Integrity Augmentation (ABIA) system and a novel Unmanned Aerial System (UAS) Sense-and-Avoid (SAA) architecture for cooperative and non-cooperative scenarios.
Hill, Chris +2 more
core +2 more sources
EGNOS: il GPS Augmenting System per l'Europa
GEOmedia, 2010 EGNOS: Europe's GPS Augmenting System Today, the actual positioning satellite technology allows a great number of civil applications for our life, but many of them are not yet achievable due to the low level of performance of the positioning service ...
Gianluca Pititto
doaj +2 more sources
Modelling of the ionosphere by neural network for equatorial SBAS [PDF]
, 2015 The estimation of the ionosphere delay and associated confidence interval constitutes the major issue to reach APV1 availability performance level for single frequency SBAS above the equatorial area.
Authié, Thierry +2 more
core +1 more source
Internet based VRS Code Positioning [PDF]
, 2006 Absolute positioning – the real time satellite based positioning technique that relies solely on global navigation satellite systems – lacks accuracy for several real time application domains. To provide increased positioning quality, ground or satellite
Malheiro, Benedita +2 more
core
Applied SciencesThe potential for the use of smartphones in GNSSs (Global Navigation Satellite Systems) positioning has increased in recent years due to the emergence of the ability of Android-based devices used to process raw satellite data.
Grzegorz Grunwald +3 more
doaj +1 more source
Scintillations effects on satellite to Earth links for telecommunication and navigation purposes
Annals of Geophysics, 2004 Radio wave scintillations are rapid fluctuations in both amplitude and phase of signals propagating through the atmosphere. GPS signals can be affected by these disturbances which can lead to a complete loss of lock when the electron density strongly ...
V. E. Gherm +5 more
doaj +1 more source
GNSS avionics-based integrity augmentation for RPAS detect-and-avoid applications [PDF]
, 2014 Taking the move from our recent research on GNSS Avionics Based Integrity Augmentation (ABIA), this article investigates the synergies of ABIA with a novel Detect-and-Avoid (DAA) architecture for Remotely Piloted Aircraft System (RPAS).
Hill, Chris +2 more
core
Galileo: the added value for integrity in harsh environments [PDF]
, 2015 A global navigation satellite system (GNSS)-based navigation is a challenging task in a signal-degraded environments where GNSS signals are distorted by multipath and attenuated by fading effects: the navigation solution may be inaccurate or unavailable.
BORIO DANIELE, GIOIA Ciro
core +1 more source
Accuracy assessment for satellite based augmentation system [SBAS] at open area and multipath area / Muhammad Arifuddin Safei [PDF]
, 2021 Muhammad Arifuddin Safei
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