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Sociedade Brasileira de Telecomunicações

Framework de Baixo Custo para Ensaios de TV Digital

Este artigo descreve um framework de baixo custo para ensaios de TV digital, que inclui os processos de aquisição, codificação (H.264/AVC e AAC) e multiple...

SBrT 2011

Desempenho de aplicações de vídeo em tecnologia LTE usando Relay Nodes de tipo 1.a

Video traffic increase in mobile networks, impose new requirements in terms of bitrate and delay. LTE technology appears capable of facing this demand chal...

SBrT 2013

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

Fiber Bragg Grating Compression-based Tuning Device for Reconfigurable OADM

In this work a fast Bragg grating-based tuning device, working according to the mechanical compression of the fiber, is demonstrated. The device achieves a...

SBrT 2010

Microstrip Antennas Array with patch superconductor at High Temperature

New results and the analysis of the resonance frequency and pattern fields of microstrip antennas array, with superconductor patch for different very high ...

SBrT 2010