Skip to content

Sociedade Brasileira de Telecomunicações


On the Effectiveness of Dynamic Spectrum Management Algorithms in xDSL Networks

This work proposes a method for the evaluation of the effectiveness of adopting dynamic spectral management (DSM) algorithms in different DSL scenarios. In...

SBrT 2010


SUI Propagation Model Tuning from Collected Data in Fixed Wireless Systems at Arboreous Environments on 5.8 GHz Band

This paper presents an tuning in SUI Propagation Model through the least squares algorithm. Data measurements were carried out in arboreous environments, i...

SBrT 2010


Reduced Complexity Viterbi Decoding Based on the M-Algorithm and the Minimal

In this paper we propose sub-optimum, reduced complexity decoding algorithms for convolutional codes. The algorithms are based on the minimal trellis repre...

SBrT 2010


Acoustic Water Leak Detection System

This article presents an acoustic water leak detection system. It shows all the stages for doing acoustic leak signal processing and classification. The te...

SBrT 2010


Improving EGPRS Capacity using Orthogonal Sub Channels (OSC)

Due to the increasing demand for data services in mobile networks, operators are observing the quality of data services to degrade as their packed switched...

SBrT 2010