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Satellite Communications in the New Space Era: A Survey and Future Challenges
2020
IEEE Communications Surveys and Tutorials
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Satellite communications (SatComs) have recently entered a period of renewed interest motivated by technological advances and nurtured through private investment and ventures. ...
Finally, a number of future challenges and the respective open research topics are described. ...
The link can be established between multiple satellites of the same orbit (e.g., LEO-LEO) as well as between satellites of different orbits (e.g., GEO-LEO). ...
doi:10.1109/comst.2020.3028247
fatcat:qdsitas5xjhwtfhs6nin3eus5q
Satellite Communications in the New Space Era: A Survey and Future Challenges
[article]
2020
arXiv
pre-print
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Satellite communications have recently entered a period of renewed interest motivated by technological advances and nurtured through private investment and ventures. ...
Finally, a number of future challenges and the respective open research topics are described. ...
As the coverage area of MEO satellites is typically larger than the coverage area of LEO satellites, LEO constellations require a substantially larger number of supporting GWs compared to MEO constellations ...
arXiv:2002.08811v2
fatcat:u3uvhm5bovg6povxbwwl5h6rqq
QEYSSat 2.0 – White Paper on Satellite-based Quantum Communication Missions in Canada
[article]
2024
arXiv
pre-print
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2023 pre-print arXiv:2306.02481v1 fatcat:hyiqeite55dp7gner6eykee3mq
We also provide an overview of the Quantum EncrYption and Science Satellite (QEYSSat) mission expected to launch in 2024-2025 and its anticipated outcomes. ...
We report the findings of a dedicated one-day workshop that included Canadian stakeholders from government, industry and academia to gather inputs and insights for the applications and technical road-map ...
The orbit of the satellite segment will most likely involve a higher altitude platform, such as MEO satellite, or constellations of LEO satellites. ...
arXiv:2306.02481v2
fatcat:3udbgmd4tvc4bfqs5ewkq6tvae
2019 Index IEEE Transactions on Geoscience and Remote Sensing Vol. 57
2019
IEEE Transactions on Geoscience and Remote Sensing
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B., Dong, X., and Li, Y., Geosynchronous SAR Tomography: Theory and First Experimental Verification Using Beidou IGSO Satellite; TGRS Sept. 2019 6591-6607 Hu, F., Wu, J., Chang, L., and Hanssen, R.F ...
., Insect Biological Parameter Estimation Based on the Invariant Target Parameters of the Scattering Matrix; TGRS Aug. 2019 6212-6225 Hu, C., see Zhang, M., TGRS Sept. 2019 6666-6674 Hu, C., Zhang, ...
Ge, B., +, TGRS Jan. 2019 381-394 A Field Assessment of a Rain Estimation System Based on Satellite-to-Earth Microwave Links. ...
doi:10.1109/tgrs.2020.2967201
fatcat:kpfxoidv5bgcfo36zfsnxe4aj4
Morphed vertical tailplane assessment for certification requirements
2015
Zenodo
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The results, opinions, conclusions, etc. presented in this work are those of the author(s) only and do not necessarily represent the position of the JU; the JU is not responsible for any use made of the ...
This project has received funding from the Clean Sky 2 Joint Undertaking (JU) under grant agreement No CS2-LPA-GAM-2014-2015-01. ...
The research leading to these results received funding from the European Union's Seventh Framework Programme (FP7/2007(FP7/ -2013 ...
doi:10.5281/zenodo.3905083
fatcat:jegirrd5jbgeho7qtr7o3sfzpi
The Federal Radionavigation Plan
1981
Navigation
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The monitor station network uses GPS receivers to passively track all satellites in view and accumulate ranging data from the satellite signals. ...
There are also numerous examples of GPS use by the U.S. commercial space community such as Low Earth Orbit (LEO) communication satellite constellations, Earth sensing satellites, and resupply missions ...
Global Navigation Satellite System (GNSS) -GNSS refers collectively to the world-wide positioning, navigation, and timing (PNT) determination capability available from one or more satellite constellations ...
doi:10.1002/j.2161-4296.1981.tb00771.x
fatcat:uiqoj4rvxbb5znxcn3vu55lfsm
Engineering Calibration and Physical Principles of GNSS-Reflectometry for Earth Remote Sensing
2021
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The Cyclone Global Navigation Satellite System (CYGNSS) is a NASA mission that uses 32 Global Positioning System (GPS) satellites as active sources and 8 CYGNSS satellites as passive receivers to measure ...
The gain pattern of each GPS satellite's transmit antenna for the L1 C/A signal is determined from measurements of signal strength received by the 8-satellite CYGNSS constellation. ...
Table III - III 1 GPS and CYGNSS constellations
Constellation
GPS
CYGNSS
Orbit
MEO
LEO
Height (km)
20180
~ 520
Inclination (⁰)
55
37
Period
11 hours 58 minutes
~ 1.5 hours
# of satellites ...
doi:10.7302/1479
fatcat:wxco2fpxevbctn2eursqgcsg64