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Sociedade Brasileira de Telecomunicações

2013 - XXXI Simpósio Brasileiro de Telecomunicações



DIGA-ENERGIA, UMA PLATAFORMA DE SERVIÇOS AO USUÁRIO UTILIZANDO SMART GRID E O MIDDLEWARE GINGA

This paper presents the Diga-Energia, a platform of services provided by electric companies for their end-users. The Diga-Energia makes use of Smart Grid tec...

SBrT 2013


Virtual Cell Zooming and Sleep Mode for 3GPP-LTE Green Cellular Networks

This paper presents a study on green cellular networks for 3GPP-LTE networks, comparing the performance of the sleep mode and cell zooming algorithms not o...

SBrT 2013


Evaluation of Image Color Metrics for Watermarked Color Images

This paper presents a comparative study of performance metrics applied to color images with invisible digital watermark. The imperceptibility of the waterm...

SBrT 2013


Secrecy Capacity of GSVD MIMOME Systems in the Presence of CSI Attacks

We consider the transmission of confidential in- formation over a multiple-input multiple-output multiple- eavesdropper (MIMOME) wireless channel, in which...

SBrT 2013


Eletromagnetic Survey for Measurement of the Concentration of Aqueous Substances

This paper shown a analysis of concentration of aqueous substances through of variation of eletric permissivity. In order to investigate this variation of ...

SBrT 2013