2015 - XXXIII Simpósio Brasileiro de Telecomunicações
Métricas de conectividade e vulnerabilidade em redes
Telecommunication networks are resistant to random faults, but they are highly vulnerable natural disasters or targeted attacks which disturb their critical ...
- William F. Giozza
- Antonio C. Guimaraes
- Anderson C. A. Nascimento
- critical infrastructure
- network security
- vulnerability
- structural and spectral metric
SBrT 2015
Análise da coexistência do LTE com ISDB - TB em 700 MHz
This paper presents the results of field measurements and computer simulation of the interference from LTE system in the Digital TV in the 700 MHz band. The ...
- Luiz A. R. da Silva Mello
- Marta P. C. de Almeida
- Danielle M. Okamoto
- Interference measurements
- interference simulation
- LTE
- ISDB - TB
- Digital TV
SBrT 2015
Esquemas Cooperativos Incrementais para Canais Relay de Múltiplo Acesso
In this work, a novel cooperative scheme is presented and an optimization is proposed for wireless communications systems with multiple relay channels (MA...
- Dimas Irion Alves
- Crístian Müller
- Renato Machado
- Bartolomeu F. Uchôa-Filho
- MARC
- relay station
- multiple antennas
- cooperative communications
SBrT 2015
Improving the Performance of MIMO PLC System with Feedback Information: Time-Varying Channel Analysis
This contribution aims to improve the data transmission performance of a power line communication (PLC) scheme with quantized feedback channel. It is consid...
- Ândrei Camponogara
- Renato Machado
- Moisés V. Ribeiro.
- Transmit diversity
- power line communications
- quantized channel state information
- multiple-input multipleoutput systems
SBrT 2015
FPGA Implementation of Farrow Structure for Time Interleaved Analog to Digital Converter Clock Skew Compensation
In modern wireless communication systems, TIADC arises as a good candidate for applications with high sampling rate and moderate power consumption requirem...
- Andre Mariano
- Maicon Bruno Hofmann
- Sibilla B. L. França
SBrT 2015