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Sociedade Brasileira de Telecomunicações


Classification of voice aging based on the glottal signal

Classification of voice aging has many applications in health care and geriatrics. This work focuses on finding the most relevant parameters to classify voi...

SBrT 2010


Códigos Espaço-Temporais de Treliça Baseados na Teoria de Reticulados

Neste trabalho é proposto um procedimento para desenvolvimento de códigos espaço-temporal de treliça, com diversidade de modulação máxima, a partir de uma ge...

SBrT 2012


Coding for the Gaussian Interference Channel

Interference is usually viewed as an obstacle to communication in wireless networks, so we developed a new methodology to quantize the channel coefficients...

SBrT 2013


Hyperbolic lattices: a new propose for space time coding theory

In the context of space-time block codes (STBCs), the theory of hyperbolic lattices over totally real number field is presented, as well as theoretic crit...

SBrT 2010


Electromagnetic Interference Simulation of a Cell Phone in an Aircraft System Using Domain Decomposition Method

Laboratorial experiments to investigate the behavior of numerous embedded avionics installations to onboard electromagnetic interference (EMI) are extremel...

SBrT 2010