Este artigo apresenta uma nova abordagem para a derivação de algoritmos adaptativos com restrição de norma para a identificação de sistemas esparsos. A ab...

• Eduardo Beck
• Eduardo Luiz Ortiz Batista
• Rui Seara

• Filtragem adaptativa
• identificação de sistemas
• método de projeções
• otimização com restrição de norma
• resposta ao impulso esparsa.

SBrT 2015

This article proposes a nonlinear model with memory, based on bi-dimensional polynomial approxim ations, for the behavioral modeling of wireless transmitt...

• Elton John Bonfim
• Eduardo Gonçalves de Lima

• Modeling
• nonlinear systems with memory
• p ower amplifier
• radio frequency
• wireless communication systems

SBrT 2015

The use of models described by the ratio of two polynomial approximations with memory has been rece iving particular attention by the wireless communicati...

• Victor Gerson Matoso Francisco
• Eduardo Gonçalves de Lima

• Modeling
• power amplifier
• predistortion
• radio frequency
• rational model
• wireless communication systems

SBrT 2015

This paper presents a new beamforming algorithm for mobile communication systems. Such an algorithm is developed by modifying the optimization problem us...

• Ciro A. Pitz
• Eduardo L. O. Batista
• Rui Seara

• Adaptive algorithm
• adaptive arrays
• mobile communications
• beamforming

SBrT 2015

This paper presents a new algorithm for beamforming in mobile communication systems. This algorithm is based on the linearly-constrained minimum-variance...

• Guilherme M. Zilli
• Ciro A. Pitz
• Eduardo L. O. Batista
• Rui Seara

• Beamforming
• LCMV filter
• reduced rank

SBrT 2015