Mostrando 10 resultados de: 30
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2017 IEEE 2nd Ecuador Technical Chapters Meeting, ETCM 2017(3)
2019 IEEE 4th Ecuador Technical Chapters Meeting, ETCM 2019(3)
IEEE Transactions on Vehicular Technology(3)
Electronics (Switzerland)(2)
2016 8th IEEE Latin-American Conference on Communications, LATINCOM 2016(1)
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Ciencias de la computación(23)
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Economía financiera(2)
Programación informática, programas, datos, seguridad(2)
Comparison and analysis of PAPR reduction techniques in OFDMA and SC-FDMA systems
Conference ObjectAbstract: This paper presents an analysis of the Orthogonal Frequency Division Mutiple Access (OFDMA) and SingPalabras claves:Clipping and Filtering, Ofdma, papr, SC-FDMA, Selective MappingAutores:Andres Fernando Reyes, Paredes Paredes, Martha Cecilia, Viviana MontalvoFuentes:scopusComparison of architectures for PAPR reduction in OFDM combining pilot symbols with constellation extension
Conference ObjectAbstract: A main drawback of Orthogonal Frequency Division Multiplexing (OFDM) systems is that they suffer froPalabras claves:Constellation extension, OFDM, Orthogonal pilot sequences, Peak power reductionAutores:García M., Paredes Paredes, Martha CeciliaFuentes:googlescopusAn efficient residential LTE small cell using a 'designated' wireless local loop band
Conference ObjectAbstract: Mobile Network Operators (MNOs) as well as Fixed Network Operators (FNOs) are actively searching forPalabras claves:3GPP LTE, DECT, residential small cell, Spectral efficiency, spectrum re-farming, Wireless Local Loop (WLL)Autores:Gautier E., ivan bernal, Montalvo L., Paredes Paredes, Martha Cecilia, Sayed D., Thomas BorjaFuentes:googlescopusAnalysis of quantization metrics for PAPR evaluation in OFDM systems
Conference ObjectAbstract: Orthogonal Frequency Division Multiplexing (OFDM) has become the popular modulation technique in higPalabras claves:Crest factor, cubic metric, OFDM, papr, Peak power reductionAutores:David Mejia Navarrete, Mejía David, Paredes Paredes, Martha Cecilia, Placencia D.F.P.Fuentes:googlescopusA Fast and Accurate Approximation of IEEE 802.11 Physical Layer Models for Network Simulators
ArticleAbstract: Network simulators are used for the research and development of several types of networks. However,Palabras claves:IEEE 802.11, Network simulator, Ns-3, OFDM, PERAutores:Diego Javier Reinoso Chisaguano, Juan Pablo Astudillo León, Luis Felipe Urquiza-Aguiar, Pablo Anibal Lupera-Morillo, Paredes Paredes, Martha Cecilia, Xavier Alejandro Flores CabezasFuentes:scopusA simple approximation for the sum of fading random variables via a nakagami-m distribution
Conference ObjectAbstract: Most of the classic fading variables can be obtained through Nakagami-m distribution and the sum ofPalabras claves:Approximation methods, Diversity systems, maximum likelihood estimation, Nakagami-m distribution, Performance AnalysisAutores:Diego Javier Reinoso Chisaguano, José David Vega Sanchez, Luis Felipe Urquiza-Aguiar, Paredes Paredes, Martha CeciliaFuentes:scopusAligning the Light Without Channel State Information for Visible Light Communications
ArticleAbstract: The use of light-emitting diodes (LEDs) for ambient illumination leads to visible light communicatioPalabras claves:blind interference alignment, channel state information, optical MIMO, precoding, reconfigurable photodetector, visible light communicationsAutores:García-Armada A., Morales-Cespedes M., Paredes Paredes, Martha Cecilia, Vandendorpe L.Fuentes:googlescopusAn Accurate, Fast Approximation for the Sum of Fading Random Variables via Expectation Maximization Applications to Diversity Systems
ArticleAbstract: Sums of fading envelopes occur in several wireless communications applications. The exact mathematicPalabras claves:Approximation methods, Diversity systems, expectation-maximization algorithms, Nakagami-m distribution, Performance AnalysisAutores:José David Vega Sanchez, Luis Felipe Urquiza-Aguiar, Paredes Paredes, Martha CeciliaFuentes:googlescopusAn Evaluation of OMNeT++-based V2X Communication Frameworks: On the Path towards 5G-V2X Simulations
Conference ObjectAbstract: The Third Generation Partnership Project (3GPP) has recently announced its Release 16, which introduPalabras claves:5G, C-V2X, network simulators, NR-V2X, omnet++Autores:Diego Javier Reinoso Chisaguano, Luis Felipe Urquiza-Aguiar, Mónica Aguilar Igartua, Pablo Barbecho Bautista, Paredes Paredes, Martha CeciliaFuentes:scopusFading channel models for mm-wave communications
ArticleAbstract: A realistic performance assessment of any wireless communication system requires the use of a fadingPalabras claves:Fluctuating multiple-ray model, Generalized fading channels, Mm-wave, κ-µ shadowedAutores:José David Vega Sanchez, Luis Felipe Urquiza-Aguiar, Paredes Paredes, Martha CeciliaFuentes:googlescopus