Results 31 to 40 of about 45,051 (163)

Full Field Radiant Flux Distribution of Multiple Tilted Flat Lambertian Light Sources

open access: yesIEEE Open Journal of the Communications Society, 2020
The emergence of visible light communication (VLC) as a subset of optical wireless communication (OWC) in the early 2000s has turned any light-emitting diode (LED) source into a potential data transmitter.
Juan Camilo Valencia-Estrada   +2 more
doaj   +1 more source

Link Budget Analysis for Enhancing IoT Performance over Satellite Networks

open access: yesAlgerian Journal of Signals and Systems
The Internet of Things (IoT) has revolutionized various industries, and satellite communication has emerged as a promising solution to extend IoT connectivity to remote and underserved areas. However, ensuring reliable and efficient IoT performance over
Youcef BENABDELLAH
doaj   +1 more source

Analysis of a Low-Earth Orbit Satellite Downlink Considering Antenna Radiation Patterns and Space Environment in Interference Situations

open access: yesRemote Sensing, 2023
This paper investigates a low-Earth orbit (LEO) satellite downlink for high-speed data communication in interference situations. A choke ring horn type antenna is used as the data transmitting antenna with an isoflux pattern in the LEO satellite, which ...
Eunjung Kang   +6 more
doaj   +1 more source

CMOS-Driven VCSEL-Based Photonic Links: an Exploration of the Power-Sensitivity Trade-Off

open access: yesIEEE Access, 2022
This article explores the power-sensitivity trade-off in optical receivers aiming to improve the energy-efficiency of the overall link. Optical receivers with field-effect transistor (FET) front-ends (FEs) are usually designed for optimal noise ...
Diaaeldin Abdelrahman   +2 more
doaj   +1 more source

Performance Test for the SIGMA Communication System [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2016
Scientific CubeSat with Instruments for Global Magnetic Fields and Radiations (SIGMA) is a 3-U size CubeSat that will be operated in low earth orbit (LEO).
Seonyeong Jeong   +5 more
doaj   +1 more source

Estimation of the Starlink Global Satellite System Capacity

open access: yesProceedings of the International Conference on Applied Innovations in IT, 2023
In this paper, the capacity of the Starlink global satellite system is considered and evaluated. We will evaluate using the link budget. The code gain due to the addition of error-correcting coding has been added to the calculation of the link budget. At
Denys Rozenvasser, Kateryna Shulakova
doaj   +1 more source

A Development of Satellite Communication Link Analysis Tool

open access: yesJournal of Astronomy and Space Sciences, 2020
In a Satellite communication system, a link budget analysis is the detailed investigation of signal gains and losses moving through a channel from a sender to receiver.
SeongMin Lim   +3 more
doaj   +1 more source

Link Budget Analysis for LEO Satellites Based on the Statistics of the Elevation Angle

open access: yesIEEE Access, 2022
Link budgets are widely applied to evaluate communication links for low Earth Orbit (LEO) satellites. However, approaches to calculate the received power from LEO satellites have followed similar procedures to those for Geostationary (GEO) satellites and
Juan Misael Gongora-Torres   +3 more
doaj   +1 more source

Perancangan dan Analisis Redaman pada Jaringan Fiber To The Home dengan Menggunakan OTDR (Optical Time Domain Reflectometer)

open access: yesJurnal Teknologi Informatika & Komputer, 2023
Kebutuhan komunikasi berkecepatan tinggi dan berkapasitas besar dalam bidang telekomunikasi saat ini sangat dibutuhkan. Telekomunikasi saat ini sedang mengalami perkembangan yang sangat pesat, terutama pada layanan berbasis internet.
Sondang Sibuea   +3 more
doaj   +1 more source

Linking excellence in teaching to departmentsʼ budgets

open access: yesAcademic Medicine, 1995
It is time for the research and clinical practice communities, which dominate medical schools, to realize that the enhanced support of teaching is essential not only for students and society but also because these communities' successes hinge on how well their investigators and clinicians were taught.
openaire   +3 more sources

Home - About - Disclaimer - Privacy