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

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

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

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

This paper shows the study about antennas dipole of graphene with different dimensions being excited by voltage source. For that it will be used the soft...

• Felipe Bamberg Soares
• Rodrigo G Azevedo
• Karlo Q. da Costa

• Dipolos de grafeno
• radiação na faixa do terahertz
• COMSOL
• antenas

SBrT 2015