Mostrando 7 resultados de: 7
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Wireless Personal Communications(2)
IEE Proceedings: Communications(1)
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC(1)
IEEE International Symposium on Spread Spectrum Techniques and Applications(1)
IEEE Vehicular Technology Conference(1)
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scopus(7)
CDMA ad hoc networks in multipath fading channels
Conference ObjectAbstract: This work analyses the effects of multipath diversity on the performance of wireless code division mPalabras claves:Autores:Celso de Almeida, Filho R.B., Ramos R.P., Rêgo M.G.Fuentes:scopusCapacity analysis of an ARQ scheme for multimedia DS-CDMA systems
ArticleAbstract: A multimedia DS-CDMA system using an ARQ reverse link for data transmission is proposed and analyzedPalabras claves:Autores:Carvalho V.R.D., Celso de AlmeidaFuentes:scopusDoubling the Data Throughput in CDMA Cellular Networks
ArticleAbstract: In this paper we show how the data throughput of a CDMA cellular network can be doubled by using M-QPalabras claves:CDMA, cellular networks, Data throughput, M-QAM, MUD-D, Orthogonal sequences, Random sequencesAutores:Celso de Almeida, Gianini R.Fuentes:scopusOn the frequency allocation for mobile radio telephone systems
Conference ObjectAbstract: In this paper we propose a technique to realize the optimum allocation of frequencies for mobile radPalabras claves:Autores:Celso de Almeida, Palazzo R.Fuentes:scopusOn the interference of cellular CDMA systems
Conference ObjectAbstract: We obtain analytical values of the mean and the standard deviation of the own-cell and other-cell inPalabras claves:Autores:Celso de Almeida, Hoefel R.Fuentes:scopusOn the performance of MC-CDMA cellular systems employing multiuser decorrelating detector and antenna array
Conference ObjectAbstract: The mean bit error rate (BER) for the uplink of a multicarrier-code-division multiple access (MC-CDMPalabras claves:Autores:Celso de Almeida, Henry Ramiro Carvajal Mora, Nathaly OrozcoFuentes:scopusMean Spectral Efficiency Evaluation of the Uplink of MC-CDMA Cellular Systems
ArticleAbstract: The mean spectral efficiency of the uplink of MC-CDMA cellular systems is evaluated. The complete syPalabras claves:Cellular system, Interference, MC-CDMA, Spectral efficiencyAutores:Celso de Almeida, Henry Ramiro Carvajal Mora, Nathaly OrozcoFuentes:scopus