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Sociedade Brasileira de Telecomunicações

2015 - XXXIII Simpósio Brasileiro de Telecomunicações



Detecção do Complexo QRS Utilizando o Algoritmo de Pan & Tompkins Modificado

The use of computational methods for the detec- tion of diseases related to the heart, has become increasingly important, since these diseases are added th...

SBrT 2015


Spectrum Sensing over -μ Shadowed Fading Channel with Noise Uncertainty

In this paper, the performance analysis of energy detection of cognitive radio systems operating over -μ shadowed fading channel distribution is presented...

SBrT 2015


Sensoriamento Espectral Cognitivo Baseado em Testes Estatísticos em Canais Sujeitos ao Desvanecimento Nakagami−m

Spectrum sensing is an important tool for the expansion of cognitive radio. This paper evaluates the use of statistic tests to optimize the spectral detect...

SBrT 2015


Aplicação do Algoritmo LBG Ponderado e da Transformada Discreta do Cosseno na Compressão de Imagens

This paper shows that the quality of coded images based on Vector Quantization and Discrete Cosine Transform could be enhaced by using the weighted LBG Alg...

SBrT 2015


Considerações para a Implementaçãode Power Line Communications para Aplicações de Smart Grid

This work presents a study of the transmission of data via PLC (Power Line Communications) technology. The objective is to design circuits to implement the...

SBrT 2015