Mostrando 9 resultados de: 9
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International Conference on Wireless and Mobile Computing, Networking and Communications(2)
2012 IEEE Latin-America Conference on Communications, LATINCOM 2012 - Conference Proceedings(1)
2017 IEEE 9th Latin-American Conference on Communications, LATINCOM 2017(1)
AEU - International Journal of Electronics and Communications(1)
Communications in Computer and Information Science(1)
BER Evaluation of Linear Detectors in Massive MIMO Systems under Imperfect Channel Estimation Effects
ArticleAbstract: New perspectives for wireless communications have brought new techniques, such as a very large numbePalabras claves:BER, imperfect channel estimation, massive MIMO, Maximal-Ratio Combining, minimum-mean-square error, Zero-ForcingAutores:Carlos Daniel Altamirano Carrillo, Celso de Almeida, Henry Ramiro Carvajal Mora, Minango J.Fuentes:scopusBER 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:scopusBER 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:googlescopusA Low-Complexity Linear Precoding Algorithm Based on Jacobi Method for Massive MIMO Systems
Conference ObjectAbstract: In massive multiple-input multiple-output (MIMO) systems with the increase of the number of receivedPalabras claves:BER, channel capacity, Jacobi method, massive MIMO, Matrix inversion, Zero-ForcingAutores:Celso de Almeida, Minango J.Fuentes:scopusA hybrid transmission scheme employing opportunistic transmission and multiuser diversity
Conference ObjectAbstract: In this paper, we present a novel transmission scheme, which consists of a hybrid transmission methoPalabras claves:BER, Hybrid transmission, Multiuser diversity, opportunistic transmission, Spectral efficiencyAutores:Celso de Almeida, Henry Ramiro Carvajal Mora, Nathaly OrozcoFuentes:scopusAchieving optimum performance with ZF detector by using a novel precoding approach in spatial multiplexing MIMO systems
ArticleAbstract: Zero forcing (ZF) detector is unable to exploit all of the available diversity order of a spatial muPalabras claves:BER, Condition number, Maximum likelihood, Optimum performance, Spatial multiplexing MIMO systems, Zero-ForcingAutores:Celso de Almeida, Minango J.Fuentes: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:googlescopusOn 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:scopusLow-complexity MMSE detector based on the first-order Neumann series expansion for massive MIMO systems
Conference ObjectAbstract: In massive multiple-input multiple-output (MIMO) systems, with the increase of the number of receivePalabras claves:BER, massive MIMO, Matrix inversion, Minimum mean-square error, Neumann seriesAutores:Celso de Almeida, Minango J.Fuentes:scopus