Skip to content

Sociedade Brasileira de Telecomunicações

2015 - XXXIII Simpósio Brasileiro de Telecomunicações



Close Expressions for Meyer Wavelet and Scale Function

Many continuous wavelets are defined in the frequency domain and do not have analytical expressions in the time domain. Meyer wavelet is ordinarily defined...

SBrT 2015


User Identification and Key Regeneration System Employing Rotated Reference Images of the Iris

A new test called rotation search is proposed for user identification and cryptographic key regeneration in systems employing a digital representation o...

SBrT 2015


Modelamento Markoviano para Transmissão de Símbolos Não Binários Usando Sistemas OFDM em Canais Seletivos em Frequência

This paper evaluates the relevance of using a fi- nite state Markov channel, more specifically the Gilbert-El liot channel (GEC) in order to reproduce the...

SBrT 2015


Projeto e Caracterização de Acopladores para Power Line Communications

This paper discusses the project of capacitive cou- plers for Power Line Communications (PLC) in the range frequency of 9 kHz to 500 kHz and 1,7 to 500 MHz...

SBrT 2015


Simulação de Dipolos Retangulares de Grafeno na Faixa de Terahertz no COMSOL

This paper shows the study about antennas dipole of graphene with different dimensions being excited by voltage source. For that it will be used the soft...

SBrT 2015