Results 11 to 20 of about 771 (159)
Remote Sensing, 2021 Presently, the Earth Observation community is demanding applications that provide low latency and high downlink capabilities. An increase in downlink contacts becomes essential to meet these new requirements.
Joan A. Ruiz-de-Azua +4 more
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Performance Analysis of Large-Scale NGSO Satellite-Based Radio Astronomy Systems
IEEE Access, 2021 Large-scale non-geostationary orbit (NGSO) satellite communication systems (SCSs) are emerging to play an important role for future global wireless communication.
Zhixuan Fan, Yucheng Dai, Hlaing Minn
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RaVÆn: unsupervised change detection of extreme events using ML on-board satellites
Scientific Reports, 2022 Applications such as disaster management enormously benefit from rapid availability of satellite observations. Traditionally, data analysis is performed on the ground after being transferred—downlinked—to a ground station.
Vít Růžička +7 more
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Performance of Integrated Ground-Air-Space FSO Links Over Various Turbulent Environments
IEEE Photonics Journal, 2022 We analyze the outage probability of integrated ground-air-space free-space optical (FSO) communication links for different atmospheric turbulence channel models.
Yalcn Ata, Mohamed-Slim Alouini
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On Orbit Demonstration of Pointing Accuracy of Ground Antennas by a Flying GEO Satellite
Sakarya University Journal of Computer and Information Sciences, 2023 Geostationary Satellites (GEO) are being used commonly in communication market. The service providers uplink or downlink the signal by using their dedicated antennas (whether with or without tracking capability) to the GEO satellite.
Ümit Güler, Ümit Cezmi Yılmaz
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Optics Express, 2012 Optical communication is a high-capacity method that can handle considerable satellite data. When common-fiber optical devices such as optical fiber amplifiers based on single mode fibers are used in free-space laser communication systems, the laser beam has to be coupled to a single-mode fiber.
Hideki, Takenaka +2 more
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Atmospheric Effects on Satellite–Ground Free Space Uplink and Downlink Optical Transmissions
Applied Sciences, 2022 Free space optical (FSO) communications have the potential to be one of the most essential technologies for solving the high-bandwidth demands of communications between satellites and ground stations.
Nilesh Maharjan +2 more
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Modeling of ADS-B data transmission via satellite
Aviation, 2013 For modelling transmission of ADS-B messages via low-orbit satellite constellation Iridium, the original model of a communication channel “Aircraft-to-Satellite-to-Ground Station” was built using MATLAB Simulink.
Volodymyr Kharchenko +2 more
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Delay-Aware Satellite-Terrestrial Backhauling for Heterogeneous Small Cell Networks
IEEE Access, 2020 This paper investigates a satellite-terrestrial backhaul framework to enhance efficient data offloading for heterogeneous terminals, including delay-sensitive and delay-tolerant users.
Zhe Ji, Suzhi Cao, Sheng Wu, Wenbo Wang
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Analysis of X-Band Link Performance Degradation Caused by Adjacent Satellite [PDF]
Journal of Astronomy and Space Sciences, 2011 As more satellites are designed to downlink their observed image data through the X-band frequency band, it is inevitable that the occupied bandwidth of a target satellite will overlap with that of other X-band downlink satellites. For sun-synchronized
Durk-Jong Park +3 more
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