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Sociedade Brasileira de Telecomunicações

2010 - VII International Telecommunications Symposium



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


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


Ascending chain of semigroup rings and encoding

Let B be any finite commutative ring with identity. · · · ⊂ B[X; 1ak Z0] · · · ⊂ B[X; a12 Z0] ⊂ B[X; a1 Z0], where a ∈ {2, 3, 5, 7, · · ·}, k ≥ 1, is the des...

SBrT 2010


A (Very) Brief Survey on Optimization Methods for Wireless Communication Systems

Wireless data usage is growing now faster than ever before. In order to attend the increasing demand for wireless services and considering that frequency s...

SBrT 2010


A Contribution for Spectrum Sensing in Power Line Communication Systems

In Brazil, the introduction of telecommunication and electric energy regulations for power line communications (PLC) is pushing forward R&D efforts towards...

SBrT 2010