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Sociedade Brasileira de Telecomunicações


A complex version of the LASSO algorithm and its application to beamforming

Least Absolute Shrinkage and Selection Operator (LASSO) is a useful method to achieve coefficient shrinkage and data selection simultaneously. The central ...

SBrT 2010


A First Glance Comparison of Next and New Generation Network Approaches

ext Generation etworks ( xG ), as pursued by international standards development organizations, represent the telecommunication operator approach to ...

SBrT 2010


Improving EGPRS Capacity using Orthogonal Sub Channels (OSC)

Due to the increasing demand for data services in mobile networks, operators are observing the quality of data services to degrade as their packed switched...

SBrT 2010


Self-similar QoS Manager: a bio-inspired approach

This work presents a Self-similar QoS Manager using a immunological algorithm to optimize a MPLS network. The system receives a set of requirements, impose...

SBrT 2010


Facial Landmarks Detection Based on Correlation Filters

The problem of locating facial landmarks is important in many applications such as security, 3D modeling and expression recognition. In this paper, we prese...

SBrT 2010