Results 81 to 90 of about 82,109 (188)

WARC 92 and some thoughts as to its impact on the NASA propagation program [PDF]

open access: yes
The World Administrative Radio Conference of 1992 (WARC 92) was held in Torremolinos, Spain, 3 Feb. - 3 Mar. 1992. Major topics considered included shortwave broadcasting, mobile and mobile-satellite service, broadcasting satellite service (sound and ...
Flock, Warren L., Smith, Ernest K.
core   +1 more source

LEO Satellite Access Network (LEO-SAN) Toward 6G: Challenges and Approaches

open access: yesIEEE Wireless Communications
With the rapid development of satellite communication technologies, the space-based access network has been envisioned as a promising complementary part of the future 6G network. Aside from terrestrial base stations, satellite nodes, especially the low-earth-orbit (LEO) satellites, can also serve as base stations for Internet access, and constitute the
Xiao, Zhenyu   +6 more
openaire   +2 more sources

Real-Time LEO Satellite Clocks Based on Near-Real-Time Clock Determination with Ultra-Short-Term Prediction

open access: yesRemote Sensing
The utilization of Low Earth Orbit (LEO) satellites is anticipated to augment various aspects of traditional GNSS-based Positioning, Navigation, and Timing (PNT) services. While the LEO satellite orbital products can nowadays be produced with rather high
Meifang Wu   +7 more
doaj   +1 more source

DebriSat - A Planned Laboratory-Based Satellite Impact Experiment for Breakup Fragment Characterizations [PDF]

open access: yes
The goal of the DebriSat project is to characterize fragments generated by a hypervelocity collision involving a modern satellite in low Earth orbit (LEO).
Clark, S.   +9 more
core   +1 more source

Leo satellite communication link

open access: yes, 2004
The rapid evolution of high density and radiation hardened programmable gate array chips make it now viable to design and implement digitally for high radiation environments like that of satellites orbiting high above the earth surface. Traditionally, communication subsystem of the satellite used to be analog hence suffering instability under high ...
openaire   +1 more source

SatScope: A Data-Driven Simulator for Low-Earth-Orbit Satellite Internet

open access: yesFuture Internet
The rapid development of low-Earth-orbit (LEO) satellite constellations has not only provided global users with low-latency and unrestricted high-speed data services but also presented researchers with the challenge of understanding dynamic changes in ...
Qichen Wang   +5 more
doaj   +1 more source

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