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Sociedade Brasileira de Telecomunicações

2010 - VII International Telecommunications Symposium



On the Use of Precoding in FBMC/OQAM Systems

Linear precoding can be applied to multicarrier systems to minimize the effect that a deep fade in one of the subchannels can have on the overall bit error...

SBrT 2010


SUI Propagation Model Tuning from Collected Data in Fixed Wireless Systems at Arboreous Environments on 5.8 GHz Band

This paper presents an tuning in SUI Propagation Model through the least squares algorithm. Data measurements were carried out in arboreous environments, i...

SBrT 2010


Depth Map Discontinuity Correction for 3D Video Systems

Inaccurate depth map discontinuities are an important source of artifact and distortion in multiview systems and applications requiring depth-based view re...

SBrT 2010


A speech database for the study of Lombard effect in Brazilian Portuguese

The Lombard effect is related to the change in the way people speak in noisy environments in order to compensate the degradation of the audio signal. There...

SBrT 2010