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Sociedade Brasileira de Telecomunicações

2010 - VII International Telecommunications Symposium



Speaker Recognition Using Dynamic Features and The Null Space Combination of Classifiers in The Sub-band Domain

This paper investigates the inclusion of dynamic features in the input vectors used by the multiple classification scheme which employ the null space to co...

SBrT 2010


Empirical Investigation of Compressed Sensing applicability to Lossy Audio Compression

Compressive sampling is a new framework that exploits sparsity of a signal in a transform domain to perform sampling below the Nyquist rate. In this paper...

SBrT 2010


Average Throughput Link Adaptation using HARQ Information and MIMO Systems

In this article, we discuss about link adaptation (LA) for multiple-input multiple-output (MIMO) wireless systems. We present a cross-layer approach that t...

SBrT 2010


Assessing Strategies to Remove Back-to-Front Interference in Color Documents

Whenever a document is written on both sides of translucent paper there is a back-to-front interference, also known as bleeding or show-through. In the lit...

SBrT 2010


A Turbo Coding Scheme for the 2-User Gaussian Adder Channe

This paper discusses a coding scheme for the 2- user binary adder channel (2-BAC) employing a pair of distinct turbo convolutional codes, not necessarily f...

SBrT 2010