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Sociedade Brasileira de Telecomunicações


On the Impact of Non-Linear High Power Amplifiers on Coded OFDM

The high peak-to-average power ratio (PAPR) is one of the main disadvantages of OFDM systems, which reduces the transmission efficiency with non-linear pow...

SBrT 2010


Quantum Permanent Compromise Attack to Blum-Micali Pseudorandom Generator

This paper presents a quantum permanent compromise attack to the Blum-Micali pseudorandom generator whose security is based on the assumption of intractabil...

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


A Reinforcement Learning Based Joint Call Admission Control for Heterogeneous Wireless Networks

Currently, there are many wireless networks based on different radio access technologies (RATs). Despite this, new kind of networks will be developed to co...

SBrT 2010


On Super-Resolution versus Image Interpolation

This work presents a discussion about multi-frame Super-Resolution Reconstruction (SRR) and single-frame interpolation. SRR has been extensively studied in ...

SBrT 2010