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Sociedade Brasileira de Telecomunicações

2015 - XXXIII Simpósio Brasileiro de Telecomunicações



Improvement on Sampling Clock Offset Estimation for Mobile OFDM Systems

Sampling Clock Offset (SCO) estimation is an important issue in Orthogonal Frequency-Division Multiplexing (OFDM) systems because sampling frequency mismat...

SBrT 2015


Análise do Impacto do Ruído ASE em Redes Ópticas Elásticas Transparentes Utilizando Múltiplos Formatos de Modulação

This paper presents an analytical model to quantify the amplified spontaneous emission noise generated by optical amplifiers (booster, line and pre-amplifi...

SBrT 2015


MIMO Wiretap Channels with Multiple Jamming Signals: A Secrecy Outage Performance Analysis

In this paper, assuming an interference-limited eavesdropper scenario, the secrecy outage performance of multiple-input multiple-output wiretap channels with...

SBrT 2015


Análise da coexistência do LTE com ISDB - TB em 700 MHz

This paper presents the results of field measurements and computer simulation of the interference from LTE system in the Digital TV in the 700 MHz band. The ...

SBrT 2015


M2M Protocols for Constrained Environments in the Context of IoT: A Comparison of Approaches

The Internet of Things movement opens new possibilities for services and business along with new technological challenges, such as power efficiency, operatio...

SBrT 2015