2017 - XXXV Simpósio Brasileiro de Telecomunicações e Processamento de Sinais
Análise de técnicas de economia de energia de estações rádio base baseadas em OpenBTS
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
Tensor-Based Multiuser Detection for Uplink DS-CDMA Systems with Cooperative Diversity
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
Analise das propriedades dielétricas da matriz cerâmica de Al2O3 com a adição de TiO2 para aplicação como antena ressoadora dielétrica
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
Estudo da NMF auxiliada por partitura aplicada a separação de sons de instrumentos musicais
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
Implementação Eficiente de Filtros Volterra Explorando Abordagens de Posto Reduzido e Caracterı́sticas de Hardware
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