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A Portable GSM Base Station Solution for Military Communications in Hostile Environments
Conference ObjectAbstract: Emerging software-defined radio system (SDR) is a solution for new military operational concepts thaPalabras claves:Coverage area, Docker, MOS, OpenBTS, RF amplifierAutores:Carlos Daniel Altamirano Carrillo, Felipe Grijalva, Manolo Paredes-Calderón, Santiago BarragánFuentes:googlescopusBER 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 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:googlescopusDesign and implementation of a communications system for streaming real-time voice using SDR technology in USRP E110 and N210 devices
Conference ObjectAbstract: The SDR devices along with GNU Radio Software tool have taken the design of radio communications sysPalabras claves:DBPSK, DQPSK, Palabras Clave: USRP E110 GNU RadioAutores:C. P. Bernal, C. S. Vacas, Carlos Daniel Altamirano Carrillo, M. D. TorresFuentes:googlescopusEvaluación de sistemas MIMO masivo multicelular usando estimación de canal multiplexada
Bachelor ThesisAbstract: Con el creciente aumento de usuarios aparece como una alternativa muy atractiva MIMO masivo (M-MIMO)Palabras claves:ANALISIS DE DATOS, ANTENA RECEPTORA, DETECTORES LINEALES, SISTEMA M-MIMO, TECNOLOGIAS DE LA INFORMACIÓN Y COMUNICACIÓNAutores:Carlos Daniel Altamirano Carrillo, María Fernanda Vásquez QuezadaFuentes:rraaeEvaluation 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:googlescopusInter-user interference reduction in massive MIMO for linear and planar arrays
ArticleAbstract: The huge demand for wireless communications has brought the study of new techniques, such as the usePalabras claves:Antenna arrays, Favorable propagation, Inter-User Interference, massive MIMO, MmwaveAutores:Carlos Daniel Altamirano Carrillo, Celso de AlmeidaFuentes:scopusLow-complexity MMSE detector for massive MIMO systems based on damped Jacobi Method
Conference ObjectAbstract: Minimum mean square error (MMSE) linear detector is able to achieve the near-optimal bit error ratePalabras claves:Autores:Carlos Daniel Altamirano Carrillo, Celso de Almeida, Minango J.Fuentes:scopusPerformance Analysis of Non-Ideal Sectorized SFR Cellular Systems in Rician Fading Channels with Unbalanced Diversity
ArticleAbstract: Nowadays, low reuse factors are used in cellular systems because of high traffic demand, despite itPalabras claves:Bit error rate, DIVERSITY, Interference, non-ideal sectorization, soft-frequency-reuseAutores:Carlos Daniel Altamirano Carrillo, Celso de Almeida, Henry Ramiro Carvajal Mora, Nathaly OrozcoFuentes:scopus