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Sociedade Brasileira de Telecomunicações

2013 - XXXI Simpósio Brasileiro de Telecomunicações

Reconhecimento Facial usando Wavelets de Gabor via Álgebra Multilinear

In this work, we propose a facial recognition system that exploits the multilinear nature of images. The feature extraction occurs in two stages. First, Gabo...

SBrT 2013

Distributed Approach for Joint Symbol and Channel Estimation in Heterogeneous Cellular Networks

This work considers the uplink of a multiuser heterogeneous cellular network based on direct-sequence code division multiple access (DS-CDMA). Two cases are ...

SBrT 2013

Modelagem Tensorial Para Estimação de Parâmetros em Arranjos L-shape de Antenas Vetoriais

This paper presents a tensorial approach for the modeling and estimation of parameters in L-shape vector antenna arrays. Making use of the PARAFAC decomposit...

SBrT 2013

Trilinear Wiener Filtering: Application to Equalization Problems

This paper presents a trilinear equalizer that is based on the classical Wiener filter. We review the theory of multiway arrays and then apply it in constr...

SBrT 2013

Estimation of Very Large MIMO Channels Using Compressed Sensing

In this paper, we propose an efficient pilot-assisted technique for the estimation of very-large MIMO (multiple-input multiple-output) channels exploiting the...

SBrT 2013