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AEU - International Journal of Electronics and Communications(2)
2016 IEEE Colombian Conference on Communications and Computing, COLCOM 2016 - Conference Proceedings(1)
2019 IEEE 4th Ecuador Technical Chapters Meeting, ETCM 2019(1)
6th IEEE Ecuador Technical Chapters Meeting, ETCM 2022(1)
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scopus(8)
BER of Massive MIMO in time-variant channels using multiplexed, superimposed and hybrid channel estimation techniques
ArticleAbstract: Massive MIMO (M-MIMO) is one of the most promising technologies towards fifth generation (5G) wirelePalabras claves:BER, Channel estimation, massive MIMO, Time-variant channels, Zero-forcing detectorAutores:Carlos Daniel Altamirano Carrillo, Celso de Almeida, Henry Ramiro Carvajal MoraFuentes:googlescopusOn the Interference Reduction Factor in Massive MIMO System over Rician Fading Channels
Conference ObjectAbstract: Massive Multiple-Input and Multiple-Output (M-MIMO) is considered a key technique in fifth-generatioPalabras claves:IRF, M-MIMO, uncorrelated Rician fading channelAutores:Carlos Daniel Altamirano Carrillo, Henry Ramiro Carvajal Mora, Jorge F. ArellanoFuentes:googlescopusOptimum rotation parameters for single and multiuser signal space diversity employing spatial diversity
ArticleAbstract: Signal space diversity (SSD) is an efficient scheme to obtain diversity without expanding bandwidth.Palabras claves:Antenna array, Maximum likelihood detection, Signal space diversity, Sphere decodingAutores:Celso de Almeida, Frison C.I., Henry Ramiro Carvajal MoraFuentes:googlescopusMC-CDMA and SCMA Performance Evaluation in 100% and 200% Load Factor Scenarios
Conference ObjectAbstract: In fifth-generation (5G) wireless networks, the perspective of very large number of simultaneous conPalabras claves:Autores:Celso de Almeida, Frison C.I., Henry Ramiro Carvajal MoraFuentes:googlescopusPhysical Layer Security in Power-Domain NOMA Using Improper Gaussian Signals
Conference ObjectAbstract: Spectrum sharing and successive interference cancellation (SIC) techniques used in power-domain non-Palabras claves:improper Gaussian signals, Non-ortoghonal multiple access, physical layer securityAutores:Garcia Fernandez E.M., Henry Ramiro Carvajal Mora, Sfredo M.Fuentes:googlescopusUMTS/HSPA and LTE cellular systems: On the frequency bands and the bit error rate
Conference ObjectAbstract: Two important aspects about UMTS/HSPA (Universal Mobile Telecommunications Service/High Speed PacketPalabras claves:Autores:Celso de Almeida, Henry Ramiro Carvajal Mora, Nathaly Orozco, NELSON BOLIVAR BENAVIDES CIFUENTES, RUBEN DARIO LEON VASQUEZ, Ruben LeónFuentes:googlescopusSquare-Law Detection of Exponential Targets in Weibull-Distributed Ground Clutter
ArticleAbstract: Modern radar systems use square-law detectors to search and track fluctuating targets embedded in WePalabras claves:Exponential targets, Probability of detection (PD), square-law detector, Weibull-distributed clutterAutores:Filho J.C.S.S., Fraidenraich G., García F.D.A., Henry Ramiro Carvajal MoraFuentes:googlescopusEmergency Mechanical Ventilator Design: Low-Cost and Accessible Components
ArticleAbstract: This paper presents the fundamentals; criteria; and mechanical, electrical, and electronic aspects rPalabras claves:accessible components, design electrical, design mechanics, emergency mechanical ventilator, LOW COSTAutores:Henry Ramiro Carvajal Mora, Jorge Mauricio Fuentes Fuentes, Josué Quiroga, Luzuriaga V., Omar Cristobal Flor, Omar Flor, Patricia Acosta-Vargas, Tapia J.Fuentes:googlescopus