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Sociedade Brasileira de Telecomunicações


Optical Amplitude Multiplexing through Parametric Amplification: An Analysis for the Idler Signal

Recently a new technique that used parametric amplification in optical fibers to combine two binary signals into a single quaternary amplitude-shift keyin...

SBrT 2010


A Turbo Coding Scheme for the 2-User Gaussian Adder Channe

This paper discusses a coding scheme for the 2- user binary adder channel (2-BAC) employing a pair of distinct turbo convolutional codes, not necessarily f...

SBrT 2010


Evaluation of the Effects of the Co-Channel Interference on the Bit Error Rate of Cellular Systems for BPSK Modulation

A performance analysis in terms of the bit error rate for digital systems with co-channel interference is done. In order to evaluate the effects of the int...

SBrT 2010


A Code for Correcting Quantum Erasures

Quantum states are very delicate, so quantum error-correction procedures are believed to be essential for the successful implementation of quantum communic...

SBrT 2010


A New Model for VoIP Traffic Generation

In this work a new model for VoIP traffic generation is proposed. The innovation of this model consists in modeling the user behavior instead of the aggreg...

SBrT 2010