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Sociedade Brasileira de Telecomunicações

2017 - XXXV Simpósio Brasileiro de Telecomunicações e Processamento de Sinais



Compressão de Imagens Baseada em Quantização Vetorial e Transformada Discreta do Cosseno

This paper discusses the use of Vector Quantization (QV) and Discrete Cosine Transform (DCT) in image compression, in order to evaluate the performance of ...

SBrT 2017


Circularly Polarized Aperture-Coupled Microstrip Antenna for Nano-Satellites

In this paper, the design of an aperture-coupled microstrip antenna to be installed onto a nano-satellite is described. The proposed antenna has been optim...

SBrT 2017


Effects of diversity on the sum rate of a multiuser M-FSK system over fast Rayleigh fading channel

This paper shows how spatial diversity affects multiuser system rate when a multilevel frequency shift keying modulation signal is transmitted over a fast ...

SBrT 2017


Nova Abordagem de Redes Neurais de Função de Base Radial de Valores Complexos para Modelagem Comportamental de Amplificadores de Potência

This work deals with the behavioral modeling of power amplifiers for wireless communication systems based on complex-valued radial basis function neural ne...

SBrT 2017


Mitigação do Ruído Impulsivo em Sistemas de Comunicações Digitais

This paper presents a new strategy for the mitigation of gaussian impulsive gated noise and double gated binary, using optimal linear systems theory applie...

SBrT 2017