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2006 International Telecommunications Symposium, ITS(1)
AEU - International Journal of Electronics and Communications(1)
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International Conference on Wireless and Mobile Computing, Networking and Communications(1)
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scopus(7)
BER 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: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: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: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:scopusInterference evaluation in CDMA ad hoc networks
Conference ObjectAbstract: This work presents an expression for the mean value of the interference in wireless code division muPalabras claves:Ad Hoc networks, CDMA, Interference, Mean value, performanceAutores:Celso de Almeida, Filho R.B., Lopes T., Ramos R.P., Rêgo M.G.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