This paper addresses spectrum sensing and sharing strategies for machine type communication in the cognitive net- works. We assess how such solutions prese...

• M. V. M. Bassi
• C. H. M. de Lima
• A. A. Ferreira

• MTC
• IEEE 802.11
• self-organization
• spectrum sensing
• cognitive radio

SBrT 2017

The fronthaul of the future 5G networks is expected to be the bottleneck for coping with the increasing data traffic demand. Despite optical fiber is the pr...

• A. A. Ohashi
• G. S. Borges
• R. M. Rodrigues
• A. L. P. Fernandes
• J. C. W. A. Costa

• Fronthaul
• non-uniformities
• phantom mode
• twisted pairs

SBrT 2017

The goal of the paper is to increase the response of a miniaturized circularly polarized microfiber antenna, which has been used in previous works to valid...

• J. A. Nascimento
• L. R. Silva
• J. M. Gurgel Neto
• A. A. P. Silva
• R. M. Lima Neta
• A. Neves Rocha

• polarization
• microstrip
• circular

SBrT 2017

This paper presents the development of a new interrogation technique for optical fiber sensors based on long period grating (LPG). The technique is a sim...

• V. A. Oliveira
• A. Cascardo
• A. P. López-Barbero
• V. H. N. Silva
• R. M. Ribeiro.

• Interrogation Technique
• Long Period Gratings (LPG)
• Refractive Index

SBrT 2017

In this work, a comparative study about in-car microphone array beamforming is carried out. The main objectives of this work are to show how the number of m...

• Adilson Chinatto

• Microphone array processing
• speech source separation
• broadband beamforming

SBrT 2017