Results 21 to 30 of about 58,866 (304)
Beyond-Cell Communications via HAPS-RIS
, 2022 The ever-increasing number of users and new services in urban regions can lead terrestrial base stations (BSs) to become overloaded and, consequently, some users to go unserved.
Halim Yanikomeroglu (9183248) +3 more
core +1 more source
Frequency Stability of Power System with Large Share of Wind Power Under Storm Conditions
Journal of Modern Power Systems and Clean Energy, 2020 The operation of transmission systems with large share of wind power is specially challenging under storm conditions. Under the stormy wind speed conditions, wind turbine protection system is designed to shut down the turbine to avoid excessive ...
Kaushik Das +3 more
doaj +1 more source
RIS-Enhanced MIMO Channels in Urban Environments: Experimental Insights
, 2023 Submission to EuCAP 2024 convened session on reconfigurable intelligent surfaces. Can the smart radio environment paradigm measurably enhance the performance of contemporary urban macrocells?
James Rains (17387149) +3 more
core +1 more source
Postintensjonal moralsk vilkårlighet
Norsk Filosofisk Tidsskrift, 2020 Sammendrag Jeg har kalt artikkelen «Postintensjonal moralsk vilkårlighet». Tematikken står sentralt i en rekke filosofiske artikler på engelsk, sentrert omkring begrepet «moral luck».
Erik Brown
doaj +1 more source
IEEE Open Journal of the Communications Society, 2021 Reconfigurable intelligent surface (RIS)-assisted transmission and space shift keying (SSK) appear as promising candidates for future energy-efficient wireless systems.
Qiang Li +4 more
doaj +1 more source
Irregular STAR-RIS-Aided Wireless Systems with a Limited Number of Passive Elements
, 2023 Simultaneous transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) have recently gained a great deal of attention due to their ability of providing full-space service coverage.
Ahmed Ben Fadel (17096199) +4 more
core +1 more source
Reconfigurable Intelligent Surface Enabled Spatial Modulation for Visible Light Communications
IEEE Photonics Journal, 2023 An important issue in visible light communications (VLC) is how to boost up the system throughput even when the line-of-sight (LOS) link is blocked by obstacles. In this paper, we propose reconfigurable intelligent surface (RIS) based spatial modulation (
Pengfei Shen, Lu Lu
doaj +1 more source
, 2022 Reconfigurable intelligent surfaces (RIS) have recently been investigated for intelligently reforming the blockage or mobility-aware wireless propagation environment as well as improving spectral efficiency and localization error performance.
Md Abdul Latif Sarker +3 more
core +1 more source
Cloud computing for radiologists
Indian Journal of Radiology and Imaging, 2012 Cloud computing is a concept wherein a computer grid is created using the Internet with the sole purpose of utilizing shared resources such as computer software, hardware, on a pay-per-use model.
Amit T Kharat +3 more
doaj +1 more source
Biophysical Characterization of the RI (RI-67) Viruses.
Experimental Biology and Medicine, 1955 SummaryThe diameter of RI-67 virus in infected HeLa culture material was about 109 mu (± 6 mu) determined by pseudo-velocity sedimentation experiments, 80-120 mu based on Gradacol membrane filtration and 90 mu (standard deviation ± 4 mu) shown by electron microscope measurement.
M R, HILLEMAN +2 more
openaire +2 more sources