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Sociedade Brasileira de Telecomunicações


A ew Multifractal Traffic Model and Its Impacts on Buffer Queueing Performances

In this paper, we propose a new analytical expression for estimating byte loss probability at a single server queue with multi-scale traffic arrivals using...

SBrT 2010


A Factor Graph Approach to Nonuniform Power Distribution

This work addresses distributed processing methods to precoder selection in wireless systems. To explore the spatial correlation of the medium, an addition...

SBrT 2017


A Fingerprint-based Access Control using Principal Component Analysis and Edge Detection

This paper presents a novel approach for deciding on the appropriateness or not of an acquired fingerprint image into a given database. The process begins...

SBrT 2010


A First Discussion About Digital Filters for Clustered-OFDM Scheme in PLC Systems

This work aims to investigate the suitability of finite impulse response and infinite impulse response digital filters for separating the clusters in a clu...

SBrT 2015


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