Skip to content

Sociedade Brasileira de Telecomunicações


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


Modelos Markovianos Nascimento e Morte para Canais com Desvanecimento

Communication channels with Rayleigh flat fading are modeled in this work using a class of finite-state Markovian channels denoted by birth and death chann...

SBrT 2013


Rank codes – the State of Art

The State of Art for rank codes is presented. The theory and applications are considered.

SBrT 2010


Correcting Erasures and Errors in Random Network Coding

Rank-metric codes in matrix representation are used by Koetter, Kschischang, Silva in their theory of random network coding. They showed that the decoding pr...

SBrT 2010