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Sociedade Brasileira de Telecomunicações

2015 - XXXIII Simpósio Brasileiro de Telecomunicações



Codificação LDPC em sistemas de transmissão de imagens do satélite CBERS-2B

This work seeks to reduce the bit error rate (BER) using LDPC codes (Low Den- sity Parity Check Code) as error correcting code. These codes are known sin...

SBrT 2015


Fabricação e testes de antenas de microfita aplicadas à tecnologia 5G

his paper presents the fabrication and experimental characterization of 7 printed microstrip antennas prototypes with rectangular pattern for application t...

SBrT 2015


Engenharia de Tráfego Aplicada a Redes Verde

This paper presents a Traffic Engineering technique applied to Green Networks which concerns on the optimization formulation, rather than on heuristic me...

SBrT 2015


Variações da Decomposição Empírica de Modos para Realce de Sinais de Voz

The empirical mode decomposition (EMD) has been adopted for the suppression of acoustic noise from speech si gnal in the time domain. This paper investiga...

SBrT 2015


Simulação de Dipolos Retangulares de Grafeno na Faixa de Terahertz no COMSOL

This paper shows the study about antennas dipole of graphene with different dimensions being excited by voltage source. For that it will be used the soft...

SBrT 2015