Results 11 to 20 of about 264 (141)
Application of the SBAS/EGNOS positioning method to determine UAV coordinates [PDF]
Przegląd Komunikacyjny, 2022 : The article presents the results of research on determining the UAV (Unmanned Aerial Vehicle) position using the SBAS (Satellite Based Augmentation System) positioning method for the EGNOS (European Geostationary Navigation Overlay Service) support ...
Henryk Jafernik +3 more
doaj +1 more source
L1 SFMC SBAS Message for Service Expansion of Multi-Constellation GNSS Support
IEEE Access, 2023 Currently operating satellite-based augmentation systems (SBASs) provide an augmentation service that improves global positioning system (GPS) performance at 250 bps via the L1 signal.
Cheolsoon Lim +2 more
doaj +1 more source
NIGCOMSAT-1R Satellite-Based Augmentation System(SBAS) test bed trial
, 2020 In October, 2016 China Great Wall Industry Corporation and Spacestar Technology Company Ltd of China entered into cooperative agreement with Nigerian Communications Satellite Ltd on a Satellite-Based Augmentation System (SBAS) performance test and assessment of the Nigerian Communications Satellite (NIGCOMSAT-1R) augmentation System exploiting ...
Salami Lawal, Lasisi +2 more
openaire +2 more sources
GPS-SBAS-Based Orbit Determination for Low Earth Orbiting Satellites
International Journal of Aerospace Engineering, 2023 A space-based augmentation system (SBAS) provides real-time GNSS correction signals via geostationary satellites for near-ground GNSS users. To use the SBAS correction for low Earth orbit (LEO) satellites, the correction, especially the ionosphere ...
Mingyu Kim, Jeongrae Kim
doaj +1 more source
Advances of SBAS authentication technologies
Satellite Navigation, 2021 Satellite Based Augmentation System (SBAS) provides the corrections and integrity information to users, but as its signal format is opened to the public and Global Navigation Satellite System (GNSS) spoofing technology becomes more realistic, more ...
Ying Chen +8 more
doaj +1 more source
Journal of Marine Science and Engineering, 2020 The Global Navigation Satellite System (GNSS) has become the primary means of obtaining Position, Navigation, and Timing (PNT) information at sea. The current capabilities of the Global Positioning System (GPS) constellation, although adequate for ocean ...
Manuel Lopez-Martinez +3 more
doaj +1 more source
EXAMINATION OF DIFFERENT MODELS OF TROPOSPHERE DELAYS IN SBAS POSITIONING IN AERIAL NAVIGATION [PDF]
Scientific Journal of Silesian University of Technology. Series Transport, 2023 This paper presents the results of a study on the use of different tropospheric correction models in SBAS positioning for air navigation. The paper, in particular, determines the influence of the Saastamoinen troposphere and RTCA-MOPS models on the ...
Kamil KRASUSKI +1 more
doaj +1 more source
Signature of ionospheric irregularities under different geophysical conditions on SBAS performance in the western African low-latitude region [PDF]
Annales Geophysicae, 2017 Rate of change of TEC (ROT) and its index (ROTI) are considered a good proxy to characterize the occurrence of ionospheric plasma irregularities like those observed after sunset at low latitudes.
O. E. Abe +6 more
doaj +1 more source
Models and performance of SBAS and PPP of BDS
Satellite Navigation, 2022 Satellite Based Augmentation System (SBAS) is one of the services provided by the BeiDou Navigation Satellite System (BDS). It broadcasts four types of differential corrections to improve user application performance.
Junping Chen +5 more
doaj +1 more source
Designation of the Quality of EGNOS+SDCM Satellite Positioning in the Approach to Landing Procedure
Applied Sciences, 2022 The main aim of this paper is to present the results of research on the application of a modified mathematical model to determine the quality parameters of SBAS (Satellite Based Augmentation System) satellite positioning in aviation.
Kamil Krasuski +5 more
doaj +1 more source