Simple and Robust Method for OFDM Performance Improvement with Nonlinear Amplification
This work proposes a new technique to be used in orthogonal frequency division multiplexing (OFDM) systems subject to nonlinear power amplification, aiming t...
- Robson F. de Moraes
- Roberto C. G. Porto
- Ernesto L. Pinto
- bit error rate (BER) performance
- orthogonal frequency division multiplexing (OFDM)
- peak-to-average power ratio (PAPR)
- solid state power amplifier (SSPA)
- partial transmit sequence (PTS)
SBrT 2018
Bipartite HMM Model for Burst Errors Focused on the Generation of Gaps and Clusters
A new Hidden Markov Model (HMM) for burst errors is proposed. This model is based on a compact representation of the error sequence in terms of succeeding p...
- N. Maciel
- Elaine C. Marques
- M. Grivet
- Ernesto L. Pinto
- Burst Error
- HMM
- ML Estimation
SBrT 2013
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...
- M. Vinicius dos Santos
- Ernesto L. Pinto
- Marco Grivet
- Hidden Markov models
- Fritchman models
- ML estimation
- PSO
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...
- M. Vinicius dos Santos
- Ernesto L. Pinto
- Marco Grivet
- Markov model
- ML estimation
- burst
- simulation
SBrT 2010
Rank codes – the State of Art
The State of Art for rank codes is presented. The theory and applications are considered.
- Ernst M. Gabidulin
- rank metric
- matrix rank code
- vector rank code
- random rank error
- rank row erasure
- rank column erasure
- fast decoding algorithm
- space-time code
- network coding
- public-key cryptography
SBrT 2010