Mostrando 10 resultados de: 21
Filtros aplicados
Publisher
2017 IEEE 2nd Ecuador Technical Chapters Meeting, ETCM 2017(3)
IEEE Transactions on Vehicular Technology(3)
2016 8th IEEE Latin-American Conference on Communications, LATINCOM 2016(1)
2019 3rd Cyber Security in Networking Conference, CSNet 2019(1)
2019 IEEE 4th Ecuador Technical Chapters Meeting, ETCM 2019(1)
Área temáticas
Ciencias de la computación(16)
Física aplicada(10)
Comunicaciones(2)
Economía financiera(2)
Ciencia militar(1)
Área de conocimiento
Comunicación(11)
Telecomunicaciones(7)
Red inalámbrica(6)
Algoritmo(4)
Optimización matemática(3)
Origen
scopus(21)
Comparison 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:googlescopusAligning 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:googlescopusFading 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:googlescopusEnergy efficient peak power reduction in OFDM with amplitude pbkp_redistortion aided by orthogonal pilots
ArticleAbstract: The high Peak-to-Average Power Ratio (PAPR) is a main drawback of Orthogonal Frequency Division MultPalabras claves:Computational complexity, Energy efficiency, OFDM, peak to average power ratioAutores:Fernández-Getino García M.J., Paredes Paredes, Martha CeciliaFuentes:googlescopusExpectation-Maximization Learning for Wireless Channel Modeling of Reconfigurable Intelligent Surfaces
ArticleAbstract: Channel modeling is a critical issue when designing or evaluating the performance of reconfigurablePalabras claves:Channel modeling, Expectation-maximization, outage probability, reconfigurable intelligent surface, spatial correlationAutores:José David Vega Sanchez, López-Martínez F.J., Luis Felipe Urquiza-Aguiar, Paredes Paredes, Martha CeciliaFuentes:googlescopusNeural Network-based scheme for PAPR reduction in OFDM Systems
Conference ObjectAbstract: This paper proposes a neural network-based scheme for Peak-to-Average Power Ratio (PAPR) reduction wPalabras claves:BBCE, Neural networks, OFDM, paprAutores:Diego Javier Reinoso Chisaguano, Felipe Grijalva, Jorge Carvajal-Rodriguez, Paredes Paredes, Martha CeciliaFuentes:googlescopusOn the Secrecy Performance over N-Wave with Diffuse Power Fading Channel
ArticleAbstract: We investigate the realistic propagation conditions effects on wireless physical layer security, whiPalabras claves:Generalized fading channels, Mm-wave, N-wave with diffuse power fading model, physical layer securityAutores:José David Vega Sanchez, López-Martínez F.J., Luis Felipe Urquiza-Aguiar, Osorio D.P.M., Paredes Paredes, Martha CeciliaFuentes:googlescopus