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Sociedade Brasileira de Telecomunicações

2010 - VII International Telecommunications Symposium



On Indoor Coverage Models for Industrial Facilities

It is shown analytical and measurement results in order to compare five different indoor path loss propagation models in industrial environments: one-slope...

SBrT 2010


OFDM Point-to-Multipoint Links at ISM 5 GHz Band: Experimental and Analytical Results

It is developed a case study, unifying theoretical and practical aspects, concerning planning and implementation of orthogonal frequency division multiplex...

SBrT 2010


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


Hardware-Friendly Implementation of Soft Information Set Decoders

This article has two main purposes: (i) to introduce and evaluate a modified version of the Dorsch soft decoding algorithm for block codes, based on inform...

SBrT 2010


Ambient Noise Classification for Automatic Speaker Identification

This paper proposes two methods for acoustic ambient noises classification. The classification is based on the Kurtosis coefficient and the Bhattacharyya d...

SBrT 2010