This paper presents an analysis of speech signals based on quantification measures of recurrence plots. A com- parison between healthy voices and voices af...

• Washington C. de A. Costa
• F. M. de Assis
• B. G. Aguiar Neto
• Silvana C. Costa
• Vinı́cius J. D. Vieira

• Speech signal analysis
• laryngeal pathologies
• re- currence quantification measures

SBrT 2012

The latency measurement, in a microsecond scale, and the frame loss ratio imposed by the current open-source implementations of OpenFlow switches are the o...

• Rafael Emerick Z. de Oliveira
• Magnos Martinello
• Pedro P. Piccoli Filho
• Moisés R. N. Ribeiro

• OpenFlow
• Oflops
• NetFPGA
• Open vSwitch .

SBrT 2012

A simple and efficient methodology for tuning the input parameters applied to the ant colony optimization multiuser detection (ACO-MUD) in direct sequence co...

• José Carlos Marinello Filho
• Reginaldo Nunes de Souza
• and Taufik Abrão

• Ant colony intelligence
• multiuser detection
• input parameters optimization
• computational complexity
• DS-CDMA

SBrT 2012

In this paper, we consider the uplink of a multiuser cooperative DS-CDMA communication system, where each user communicates with the base station with the ...

• André L. F. de Almeida
• C. Alexandre R. Fernandes
• Daniel Benevides da Costa

• Cooperative diversity
• multiuser communications
• DS-CDMA
• PARAFAC
• blind receiver

SBrT 2012

Cooperative communications have emerged as a promising solution for wireless networks. In particular, currently there is a growing interest in amplify-and-...

• C. Alexandre R. Fernandes
• Daniel Benevides da Costa
• Andre L. F. de Almeida

• Amplify-and-forward
• relay selection
• OFDM
• nonlinear power amplifier
• outage probability.

SBrT 2012