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Sociedade Brasileira de Telecomunicações

2010 - VII International Telecommunications Symposium

Cyclotomic Basis for Computing the Discrete Fourier Transform

This paper presents a new fast algorithm for computing an N-point discrete Fourier transform. The algorithm meets the Heideman multiplicative complexity low...

SBrT 2010

HMM Modeling of Burst Error Channels by Particle Swarm Optimization of the Likelihood Function

This paper proposes a new strategy for fitting Hidden Markov Models to error processes of channels with memory. Our approach consists of obtaining the anal...

SBrT 2010

Burst-Error Statistics Obtained by ML Estimation of a New Structured Markov Channel Model

A new Markovian model (MM) for burst-error generation has been recently presented by the authors. This model is conveniently structured, with the double pu...

SBrT 2010

SIMTON: A Simulator for Transparent Optical Networks

In this article we present a software to simulate Transparent Optical Networks (SIMTON). SIMTON is an eventdriven simulation software implemented in C++ whi...

SBrT 2010

Analysis of DOP in the Presence of PMD and PDL for RZ/RZ-DPSK Signals in High-Rate Optical Transmission Link

This work analyzed numerically the relationship between DOP, PMD and PDL dispersion effects in high-rate optical communication systems for differential pha...

SBrT 2010