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Sociedade Brasileira de Telecomunicações

2012 - XXX Simpósio Brasileiro de Telecomunicações



Capacidade de canais simétricos possuindo grupos cíclicos como alfabeto de entrada

The channel capacity independent from any internal structure of the channel input alphabet X. Also, the noisy channel coding theorem do not depend from any ...

SBrT 2012


Análise da Taxa de Erro em Terminais1553B Operando na Presença do Ruído Térmico Induzido

Network integration of aeronautical and space systems should have a low failure rate when used in electromagnetic environments critics, whose spurious signal...

SBrT 2012


EDFA Gain Variation Problem in Transparent Optical Networks

This work presents a study about the impact of Erbium-doped Fiber Amplifier (EDFA) gain variation problem may have on the performance of Dynamic Optical Netw...

SBrT 2012


Collaborative Spectrum Sensing under Spatially Correlated Shadowing Fading

Cognitive Radio is an innovative technology that allows unlicensed (secondary users) users to opportunistically access channels licensed to other users (pr...

SBrT 2012


Modulação para rádio digital utilizando a amplitude de autocorrelação de códigos PN para transporte da informação.

The frequency bands used in mobile communications are allocated according to the type of application. With the need for more channels, the frequency spect...

SBrT 2012