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Sociedade Brasileira de Telecomunicações

2015 - XXXIII Simpósio Brasileiro de Telecomunicações



Monitoramento de Desempenho com Middleboxes em Redes Definidas por Software

O gerenciamento de desempenho de aplicac¸oes ˜ e´ frequentemente dificultado por middleboxes em razao de sua ˜ variedade e capacidade de alterar o trafego ...

SBrT 2015


Considerações para a Implementaçãode Power Line Communications para Aplicações de Smart Grid

This work presents a study of the transmission of data via PLC (Power Line Communications) technology. The objective is to design circuits to implement the...

SBrT 2015


Avalanche Photodiode with Amplitude Modulated Sine Gating

In this work the model of an avalanche photodiode for QKD in the so-called Geiger mode operating with an amplitude modulated sine gating is analyzed and si...

SBrT 2015


Artificial Fast Fading-Aided Key Agreement Algorithm for Vehicle-to-Infrastructure Networks

The communication in vehicular ad hoc networks (VANETs) is commonly divided in two scenarios, namely vehicleto-vehicle (V2V) and vehicle-to-infrastructure (...

SBrT 2015


Vehicle Speed Estimation Using Optical Flow

This article presents a digital image processing algorithm to estimate a vehicle speed using Lucas-Kanade Optical Flow. It was calibrated using images with...

SBrT 2015