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Sociedade Brasileira de Telecomunicações


Storyboard para vídeos pessoais

Atualmente, uma grande quantidade de vídeos está acessível em diversas páginas da Internet. Em geral, esses vídeos s˜ao de produção pessoal e não possuem u...

SBrT 2011


Strategy for the Analysis of Lossy Bragg Fibers

This paper presents a mathematical model for the analysis of losses and dispersion in Bragg fibers with hollow core, based on the transfer matrix method. T...

SBrT 2012


Strong Self-Phase Modulation in Data Erasing Beyond 20 Gb/s Using Saturated Ultra-Long SOA

Optical data extinction using ultra-long SOA is evaluated up to 56 Gb/s. The analysis of the deleterious effects such as spectral broadening and imperfect ...

SBrT 2012


Studies of indoor wave propagation and antenna diversity in UHF RFID systems

Analytical and experimental investigations considering indoor wave propagation and antenna diversity are presented for passive UHF RFID systems. Modelling re...

SBrT 2019


Study about the Influence of Tag Collision over the Identified RFID tag signals

In passive UHF RFID systems, tag collisions occur when multiple tags transmit simultaneously to reader. Due to the mixture of waves, the reader cannot differ...

SBrT 2019