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BER analysis of overloaded MC-CDMA cellular system employing sphere decoder in non-ideal sectorization scenario
Conference ObjectAbstract: New multiple access techniques aim to increase the spectral efficiency by overloading the system, i.Palabras claves:BER, Interference, MC-CDMA, Non-ideal-sectorization, Sphere-decoderAutores:Celso de Almeida, Henry Ramiro Carvajal Mora, Nathaly OrozcoFuentes:scopusBit error rate evaluation of SCMA in rician fading channels considering presence of co-cell interference
Conference ObjectAbstract: Non-orthogonal multiple access (NOMA) techniques have been proposed for fifth generation (5G) mobilePalabras claves:BER, Cellular system, Rician fading, SCMAAutores:Dennis Lara Hernandez, Efren Ona Proano, Frison C.I., Henry Ramiro Carvajal Mora, Nathaly OrozcoFuentes:scopusAn Augmented Reality based E-Learning Tool for Engineering
Conference ObjectAbstract: The importance of quality virtual education has been shown recently. However, there are certain areaPalabras claves:Android Application, Augmented-reality, e-Learning, hololensAutores:Cesra Josue Torres Hinojosa, Henry Ramiro Carvajal Mora, José Rodrigues Freire Filho, Nathaly OrozcoFuentes:scopusDesign and Implementation of a Panic Alert System to Notify Theft Events
Conference ObjectAbstract: Unfortunately, crime rates around the world increase every year. In particular, robberies in the strPalabras claves:ANDROID STUDIO, Mobile application, NETBEANS, Panic system, video surveillanceAutores:Henry Ramiro Carvajal Mora, Iván Sánchez Salazar, Marcos Gavela Moreno, Miguel Baquero Tello, Nathaly OrozcoFuentes:scopusGLRT Detection of Nonfluctuating Targets in Background Noise Using Phased Arrays
Conference ObjectAbstract: This work assesses the performance of a phased array radar working in background noise. To do so, wePalabras claves:complex white Gaussian noise (CWGN), Generalized likelihood ratio test (GLRT), likelihood ratio test (LRT), Neyman-Pearson (NP) criterion, nonfluctuating targets, phased array radar, Probability of detection (PD)Autores:García F.D.A., Henry Ramiro Carvajal Mora, Nathaly OrozcoFuentes:scopusImproved Exact Evaluation of Equal-Gain Diversity Receivers in Rayleigh Fading Channels
ArticleAbstract: In this paper, we evaluate the performance of equal-gain-combining (EGC) receivers operating in RaylPalabras claves:average symbol error rate, equal-gain-combining, outage-probability, Rayleigh-fadingAutores:García F.D.A., Henry Ramiro Carvajal Mora, Nathaly OrozcoFuentes:scopusEnabling Signal Space Diversity for MU-MIMO/OFDMA Cellular Systems That Employ Frequency Diversity
ArticleAbstract: Signal space diversity (SSD) is a technique to obtain diversity without loss in spectral efficiency.Palabras claves:Diversity methods, MIMO, Mobile Communication, multiple access interference, OFDMAutores:Celso de Almeida, Henry Ramiro Carvajal Mora, Nathaly Orozco, Paulo Chiliguano T.Fuentes:scopusUMTS/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:googlescopusSignal Space Diversity in Single and Multiuser Scenarios Employing Sphere Decoder Detector
ArticleAbstract: The matrix structure of the received signals of a system employing signal space diversity and antennPalabras claves:Bit error rate, Multiuser detection, Signal space diversity, Sphere DecoderAutores:Celso de Almeida, Henry Ramiro Carvajal Mora, Nathaly OrozcoFuentes:scopusOn the Asymptotic BER of MMSE Detector in Massive MIMO Systems
Conference ObjectAbstract: The minimum-mean-square-error (MMSE) detector is widely used in multiple-input multiple-output (MIMOPalabras claves:BER, massive MIMO, MMSE detectorAutores:Carlos Daniel Altamirano Carrillo, Celso de Almeida, Minango J., Nathaly OrozcoFuentes:scopus