Search Results - "Frances, C. R. L."

A new acceleration technique for the design of fibre gratings by Carvalho, J C C, Sousa, M J, Sales Júnior, C S, Costa, J C W A, Francês, C R L, Segatto, M E V

“…In this paper we propose a novel acceleration technique for the design of fibre gratings based on Genetic Algorithm (GA). It is shown that with an appropriate…”
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Social Network Analysis to Monitor Interactions in Virtual Learning Environment by Silva, A.S., Brito, S.R., Vijaykumar, N.L., Rocha, C.A.J., Costa, J.C.W.A., Frances, C.R.L.

“…Social network analysis is appointed as a promising approach to analyze the interactions in e-learning environments. Virtual Learning Environments (VLE) allow…”
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Optimal Lifetime-Aware Operation of Green Optical Backbone Networks by Natalino, Carlos, Chiaraviglio, Luca, Idzikowski, Filip, Frances, Carlos R. L., Wosinska, Lena, Monti, Paolo

“…This paper targets the lifetime-aware management of a set of optical line amplifiers (OLAs) in an optical network exploiting sleep mode (SM) in order to save…”
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Digital radio over fiber transmission based on SCM and WDM system for C-RAN architecture by Almeida, R. P., Oliveira, R. S., Moritsuka, N. S., Frances, C. R. L., Teixeira, A., Costa, J. C. W. A.

“…This work presents two technologies for Centralized Radio Access Network Architecture (C-RAN) based on Digital Radio over Fiber (DRoF) respectively SCM…”
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Analysis of the cost-effective digital radio over fiber system in the NG-PON2 context by Oliveira, R. S., Frances, C. R. L., Costa, J. C. W. A., Viana, D. F. R., Lima, M., Teixeira, A.

“…The current trends on traffic and mobile users' growth is pushing the capacity of the current networks to the limit, which has led telecommunication operators…”
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Integrated solutions for broadband access in Brazilian Amazon Rural areas by de Souza, L. V., Costa, J. C. W. A., Frances, C. R. L.

“…This paper presents an integrated solution with associated technologies for enabling broadband access in rural areas. Wired and wireless technologies are used…”
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A new proposal to provide estimation of QoS and QoE over WiMAX networks: An approach based on computational intelligence and discrete-event simulation by Machado, V. A., Silva, C. N., Oliveira, R. S., Melo, A. M., Silva, M., Frances, C. R. L., Costa, J. C. W. A., Vijaykumar, N. L., Hirata, C. M.

“…This paper presents an estimation of Quality of Experience (QoE) metrics based on Quality of Service (QoS) metrics in WiMAX networks. Applications used to…”
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Noise estimation proposal for real time DSL systems using linear regression and fuzzy systems by Farias, F. S., Moritsuka, N. S., Borges, G. S., de Souza, L. V., Frances, C. R. L., Costa, J. C. W. A.

“…This paper presents two methods for determining the noise power (mainly caused by crosstalk) in Digital Subscriber Line (DSL) networks. A fuzzy system approach…”
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A bandwidth scheduler for triple play services based on fuzzy theory by Santana, A. L., Cardoso, D. L., Frances, C. R. L.

“…The search for improvement in the process of diffusion of information has led to many advances in access technologies. In initiatives for digital/social…”
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A WLAN planning proposal through direct probabilistic method and particle swarm algorithm hybrid approach by Rodrigues, J C, Fraiha, S C, Araujo, J, Gomes, H S, Frances, C R L, Cavalcante, G

“…This paper proposes a probabilistic approach for planning a WLAN. A measurement technique was used to collect data from a real WLAN network. The data collected…”
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Simulation of the coverage probability of femtocell using the Padé approximant by Rodrigues, J. C., Fraiha, S. G. C., Araujo, J., Gomes, H. S., Frances, C. R. L., Cavalcante, G. P. S.

“…This paper proposes a methodology for analysis of the signal reception probability in a 1.9GHz Femtocell. The environment used during the simulation was an…”
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Influenceof polarization effects of the antennas in a WLAN coverage area by Rodrigues, J. C., Gomes, H., Fraiha, S. G. C., Frances, C. R. L., Araujo, J. P. L., Cavalcante, G. P. S.

“…Electromagnetic waves are affected by different phenomena along their propagation. In addition to signal scattering, the polarization of the transmitting and…”
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A methodology for determining the electric field of broadcasting medium wave using computational intelligence approach by Monteiro, J., Rodrigues, J. C., Fraiha, S. C., Araujo, J., Gomes, H. S., Ferreira, A., Frances, C. R. L., Cavalcante, G. P. S.

“…This paper proposes a methodology based in computational intelligence to determine the electric field of broadcasting medium wave. A Bayesian network was…”
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Cross layer model to predict performance parameters on OFDM-based wireless networks by Machado, V. A., Silva, C. N., Silva, R. J. M., Castro, B. S. L., Gomes, I. R., Frances, C. R. L., Cavalcante, G. P. S., Costa, J. C. W. A.

“…This paper presents a propagation model for prediction of path loss and performance parameters (throughput and frame loss) on OFDM-based networks. For this…”
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