This article presents an analysis of base station power saving techniques in software defined radio platforms. This analysis is based on the USRP N210 plat...

• Mateus de Oliveira e Mattos
• Rafael da Silva Macedo
• Mateus Carpanez Corrêa
• Álvaro Augusto M. de Medeiros

• Green Cellular Networks
• Cell Zooming
• Sleep Mode
• OpenBTS.

SBrT 2017

In the present paper, a semi-blind receiver for a multiuser uplink DS-CDMA (Direct-Sequence Code-Division Multiple-Access) system based on relay aided coop...

• Antonio Augusto Teixeira Peixoto
• Carlos Alexandre Rolim Fernandes

• Semi-blind receiver
• DS-CDMA
• Cooperative com- munications
• PARAFAC
• Tensor model
• Alternating least squares

SBrT 2017

This paper aims to present the characteristics of an dielectric resonator antenna (DRA) made from alumina ceramic matrix (Al2O3) with the addition of titaniu...

• Luiz Nonato Lopes de Oliveira
• Raphael Victor Barros Campos
• Marcelo Antônio Santos da Silva
• Daniel Xavier Gouveia
• Antônio Sergio Bezerra Sombra

• Antennas
• ceramics,return loss,radiation pattern.

SBrT 2017

Recently, score-informed non-negative matrix factorization (SI-NMF) has been used for separation of sounds of musical instruments. Considering this applica...

• André O. Françani
• Magno T. M. Silva

• Blind source separation
• independent component analysis
• non-negative matrix factorization
• music signal processing

SBrT 2017

This paper presents a new approach for obtaining efficient implementations of Volterra filters. Such an approach is based on exploiting the different signi...

• Felipe Dennis de Resende Oliveira
• Eduardo Luiz Ortiz Batista
• Rui Seara

• Reduced-rank implementation
• Volterra filters

SBrT 2017