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Capacity loss of CDMA/PRMA systems with imperfect power control loop
ArticleAbstract: The capacity loss of the joint CDMA/PRMA protocol owing to imperfections in the power control loop iPalabras claves:Autores:Celso de Almeida, Hoefel R.Fuentes:scopusFour 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:scopusEfficient two-dimensional interleaving technique by use of the set partitioning concept
ArticleAbstract: The authors propose an efficient two-dimensional interleaving technique which spreads a cluster of ePalabras claves:Channel coding, Interleaved storageAutores:Celso de Almeida, Palazzo R.Fuentes:scopusNumerical analysis of joint CDMA/PRMA protocol based on equilibrium point analysis
ArticleAbstract: Numerical expressions to assess the performance of a joint direct sequence code division multiple acPalabras claves:Autores:Celso de Almeida, Hoefel R.Fuentes:scopusOptimum and quasi-optimum relaxation parameters for low-complexity massive MIMO detector based on Richardson method
ArticleAbstract: The low-complexity minimum mean square error detector based on Richardson method for massive MIMO syPalabras claves:Autores:Celso de Almeida, Minango J.Fuentes:scopusLower bound on normalized interference mean and standard deviation for CDMA systems using antenna arrays
ArticleAbstract: Lower bounds for the normalized interference mean and standard deviation for the reverse link of codPalabras claves:Autores:Celso de Almeida, Kiomi Teshima S.Fuentes:scopusPerformance difference between zero-forcing and maximum likelihood detectors in massive MIMO systems
ArticleAbstract: In massive multiple-input multiple-output (MIMO) systems with hundreds of antennas at the base statiPalabras claves:Autores:Carlos Daniel Altamirano Carrillo, Celso de Almeida, Minango J.Fuentes:scopusPerformance of CDMA/PRMA TDD protocol with decorrelating multiuser detector and adaptive permission access scheme
ArticleAbstract: An efficient adaptive permission access probability scheme was proposed for single user and decorrelPalabras claves:Autores:Celso de Almeida, Hoefel R.Fuentes:scopusPerformance of CDMA/PRMA protocol for Nakagami-m frequency selective fading channel
ArticleAbstract: The performance of the code-division multiple-access/packet-reservation multiple-access (CDMA/PRMA)Palabras claves:Autores:Celso de Almeida, Hoefel R.Fuentes:scopus