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Mostrando ítems 1-10 de 21
Interference mitigation for visible light communications in underground mines using angle diversity receivers
(MDPI, 2020)
This paper proposes two solutions based on angle diversity receivers (ADRs) to mitigate inter-cell interference (ICI) in underground mining visible light communication (VLC) systems, one of them is a novel approach. A ...
Design and evaluation of angle diversity receivers considering accurate visible light communication channel models in underground mines
(Universidad de Chile, 2023)
Los enlaces ópticos en el espectro de luz visible, llamados Comunicación por Luz Visible (VLC), están bajo intensa investigación para aplicaciones de Minería Subterránea (UM) debido a sus ventajas en comparación con las ...
On geometry-based statistical channel models for mimo wireless communications
(Arias Olivas, Marvin Rene, 2017-03-27)
The use of wideband Multiple Input Multiple Output (MIMO) communication systems is currently subject to considerable interest. One reason for this is the latest development of 3rd Generation mobile communication systems, ...
O sentido do trabalho a partir da experiência de migrantes venezuelanos e seus reflexos na socialização e diversidade no mercado de trabalho
(Universidade Federal de Santa MariaBrasilAdministração PúblicaUFSMPrograma de Pós-Graduação em Administração PúblicaCentro de Ciências Sociais e Humanas, 2021-12-02)
Here are multiple motivations that lead an individual to migrate, such as wars, political crimes, escape from poverty and/or calamity, terrorism, among others. More and more individuals are migrating in search of better ...
Metodologia detalhada para rastreadores solares automatizados de dois eixos em sistemas fotovoltaicos
(Universidade Federal de Santa MariaBREngenharia ElétricaUFSMPrograma de Pós-Graduação em Engenharia Elétrica, 2016-09-06)
The search for diversity of energy sources in the world is one of the challenges that are driving
research to fill this demand with alternative energy sources. So we have the need to explore
alternative and renewable ...
Spontaneous vegetation on overburden piles in the Coal Basin of Santa Catarina, Brazil
(Blackwell Publishing, 2008)
The objective of this work was to select indigenous vegetal species for restoration programs aiming at the regeneration of ombrophilous dense forest. Thirty-five spoil piles located in the county of Sideropolis, Santa ...
Spatio-temporal historical event visual exploration through social media-based modelsSpatió-temporal historical event visual exploratión through social media-based models
(2018)
Online social media platforms serve as important information resources on what is happening in the world and how people react to these events. Among the valuable information that scientists have extracted from these ...
Manifestaciones bucales y faciales más frecuentes en pacientes pediátricos con rinitis alérgica que acuden al Hospital de Especialidades FF.AA. Nº 1
(Quito: UCE, 2014-07)
La rinitis alérgica se ha relacionado con la respiración oral, la cual propicia diferentes alteraciones bucales y faciales y aumenta el riesgo de alteraciones en el desarrollo maxilofacial. Es así como el objetivo del ...