Results 21 to 30 of about 4,749,527 (270)
IEEE Open Journal of the Communications Society, 2023 In free-space optical satellite networks (FSOSNs), satellites connected via laser inter-satellite links (LISLs), latency is a critical factor, especially for long-distance inter-continental connections.
Jintao Liang +7 more
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A Review on Inter-Satellite Links Free Space Optical Communication [PDF]
Indian Journal of Science and Technology, 2020 Objectives: The need for constricting, lightweight, low-power electronics-aggravated by the thriving demand for large data flow rate and bandwidth is urging the use of optical technologies in defense and space. Free space optical (FSO) communication links have promising eminence over microwave communication links with high speed, low weight, and ...
Gayatri Tiwari +1 more
openaire +2 more sources
IEEE Photonics Journal, 2021 We propose a continuous-variable quantum key distribution (CVQKD) scheme at terahertz (THz) bands based on multicarrier multiplexing (MCM) technology. In this scheme, multiple Gaussian modulated subcarriers are coupled to transmit multipath superposed ...
Chengji Liu +5 more
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Optical High-Capacity Satellite Downlinks via High-Altitude Platform Relays [PDF]
, 2007 Earth-observation (EO) satellite missions produce a large amount of data using high-resolution optical or radar sensors. During the last decades the amount of data has steadily increased due to improved sensor technologies with increased temporal ...
Florian Moll +13 more
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LEO laser microwave hybrid inter-satellite routing strategy based on modified Q-routing algorithm
EURASIP Journal on Wireless Communications and Networking, 2022 Low earth orbit (LEO) satellite communication networks require huge load capacity and information processing speed to carry global communication traffic. Inter-satellite links and the on-board processing are the key technologies to achieve this goal, but
Fei Zheng +4 more
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How well do the CMIP6 models simulate dust aerosols? [PDF]
Atmospheric Chemistry and Physics, 2022 Mineral dust impacts key processes in the Earth system, including the radiation budget, clouds, and nutrient cycles. We evaluate dust aerosols in 16 models participating in the sixth phase of the Coupled Model Intercomparison Project (CMIP6) against ...
A. Zhao +4 more
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Seasonal evolution of Antarctic supraglacial lakes in 2015–2021 and links to environmental controls [PDF]
The Cryosphere, 2021 Supraglacial meltwater accumulation on ice shelves may have important implications for future sea level rise. Despite recent progress in the understanding of Antarctic surface hydrology, potential influences on ice shelf stability as well as links to ...
M. C. Dirscherl +3 more
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An Enhanced Multi-Constraint Optimization Algorithm for Efficient Network Topology Generation
Mathematics, 2023 In order to address a problem in the research related to the low stability and communication efficiency issues in the generation of optical communication constellation network topology, there is a critical component for sensing the interaction among ...
Shangpeng Wang +2 more
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A delay model for satellite constellation networks with inter-satellite links [PDF]
, 2009 Within this paper we examine a non-geostationary satellite constellation network with inter-satellite links (ISLs) for global air traffic control (ATC) and air passenger communication (APC).
Romain Hermenier +5 more
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O-GNSS Scheduler: Contact Plan for GNSS Constellations with Optical Inter-Satellite Links
, 2022 This is a PDOP-driven Scheduler for Optical Inter-Satellite Links enabled GNSS. A thorough description of the working principle can be found in the paper: "Contact Plan Design for GNSS Constellations: A Case Study with Optical Inter-Satellite Links" From
Andrea Nardin
core +1 more source