This paper addresses distributed techniques to the problem of precoder selection in a multi-cell scenario. This proposes an iterative method based on a mes...

• Igor M. Guerreiro
• Dennis Hui
• Charles C. Cavalcante

• distributed optimization
• message-passing algorithm
• fac- tor graphs
• precoder selection

SBrT 2013

This article employs the Hurst exponent, obtained by discrete wavelet transform, as a measure of self-similarity to characterize the nonlinearities of health...

• Jayne dos Santos Lima
• Stefanie G.Vilela
• Washington C. de A. Costa
• Silvana Cunha Costa
• Suzete E. N. Correia

• Laryngeal pathology detection
• Hurst exponent
• Discrete Wavelet Transform
• Support Vector Machine

SBrT 2013

Passive optical networks are becoming more popular as wideband access networks tecnologies. Due to their importance, such networks demands continue supervisi...

• Ulisses W. C. Costa
• Renan Santos
• Renan Almeida
• Nayanne Satie Moritsuka
• Carlos R. Lisboa Francês
• João C. W. A. Costa

• WDM-PON
• FTTH
• OTDR
• BER
• VPITransmissionMaker

SBrT 2013

This article analyzes propagation characteristics of a wireless sensor network applied to precision agriculture. The evaluation performance of the networks...

• Eziom Alves de Oliveira
• Fabrício Braga Soares de Carvalho
• Brauliro Gonçalves Leal

• Wireless Sensor Networks
• RSSI
• Performance Analysis
• ZigBee

SBrT 2013

Este trabalho apresenta um estudo de campo sobre a comparação entre as utilizações do protocolo IPv4 e do IP em pilha dupla no acesso a páginas web. Para r...

• Deivis F. Pirani
• Marcelo L. F. Abbade

• IPv6
• Pilha Dupla
• HTTP
• Acesso Web
• Happy Eyeballs
• Análise de Campo
• Usuário Final.

SBrT 2013