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Sociedade Brasileira de Telecomunicações

Rank codes – the State of Art

The State of Art for rank codes is presented. The theory and applications are considered.

SBrT 2010

A New Model for VoIP Traffic Generation

In this work a new model for VoIP traffic generation is proposed. The innovation of this model consists in modeling the user behavior instead of the aggreg...

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

Cyclotomic Basis for Computing the Discrete Fourier Transform

This paper presents a new fast algorithm for computing an N-point discrete Fourier transform. The algorithm meets the Heideman multiplicative complexity low...

SBrT 2010

Demonstrating the security vulnerabilities of the Identity-based Key Management scheme for MANETs

The next generation of mobile communications will merge the well-known infrastructured wireless networks and the infrastructureless mobile ad hoc networks....

SBrT 2010