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Hyper-power zero forcing detector for massive MIMO systems
ArticleAbstract: In massive multiple-input multiple-output (MIMO) systems when the number of base station antennas isPalabras claves:massive MIMO, Matrix inversion, Newton–Schultz iteration, Zero forcingAutores:Celso de Almeida, Minango J.Fuentes: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:scopusFading effects on the CDMA/PRMA network performance
ArticleAbstract: A system level network simulator is developed to assess and to compare some performance aspects of aPalabras claves:Autores:Celso de Almeida, Hoefel R.Fuentes:scopusEvaluation of the co-channel interference effects on the performance of coded networks
Conference ObjectAbstract: This paper presents the performance evaluation in terms of bit error rate (BER) of coded networks wiPalabras claves:Bit error rate, co-channel interference, Trellis Coded-Modulation, Turbo Coded-ModulationAutores:Carlos Daniel Altamirano Carrillo, Celso de AlmeidaFuentes:scopusEvaluation of the effects of co-channel interference on the bit error rate of wireless networks with error correcting codes in fading channels
Conference ObjectAbstract: This paper presents a performance analysis of wireless networks using error correcting codes on chanPalabras claves:BER, co-channel interference, Rayleigh Fading, TCM, TTCMAutores:Carlos Daniel Altamirano Carrillo, Celso de Almeida, Daniel Altamirano C.Fuentes:googlescopusFour state binary QAM trellis code better than known codes
ArticleAbstract: The Letter presents a new one-memory quaternary four-state trellis code, and its four-state binary ePalabras claves:Codes and coding, information theoryAutores:Celso de Almeida, Jun R.P.Fuentes:scopusGeneral performance of detect-and-forward cooperative relaying in the presence of multiple interferers for optimum combining receivers
ArticleAbstract: Detect-and-Forward (DF) is a cooperative technique based on the retransmission of a detected versionPalabras claves:Antenna arrays, Detect-and-forward, Interference, Moment-generating function, Optimum combiningAutores:Câmara C.E., Celso de Almeida, Merino H.W.Fuentes:scopusConstruction of signal sets matched to Abelian and Non-Abelian groups
Conference ObjectAbstract: We present an algorithm for the construction of signal sets matched to abelian and non-abelian groupPalabras claves:Autores:Celso de Almeida, Interlando J.C., Palazzo R.Fuentes:scopusEffects of Interference on the Performance of Dual-Hop Fixed-Gain Relaying with Antenna Array at Destination
Conference ObjectAbstract: In this paper, the effects of interference on the performance of dual-hop transmission with fixed-gaPalabras claves:Amplify-and-forward, Antenna array, fixed gain, Interference, Optimum combiningAutores:Câmara C.E., Celso de Almeida, Merino H.W.Fuentes:scopusEffects of multiple co-channel interferers on the performance of amplify-and-forward relaying with optimum combining, multiple relays and multiple antennas
ArticleAbstract: Cooperative relaying is a method used mainly to improve cellular networks in terms of diversity gainPalabras claves:Amplify-and-forward, Antenna array, Interference, Moment-generating function, Optimum combiningAutores:Câmara C.E., Celso de Almeida, Merino H.W.Fuentes:scopus