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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


Reduced Rank Adaptive Filter with Variable Step Size for Impulsive UWB PLC Systems

This paper addresses the reception of UWB symbol in an impulsive UWB PLC system. Regarding this topic, it is introduced the use of the Delta-Rule-Delta tec...

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


Digital Television Interference on the LTE System in the 700 MHz Band

Today, the coexistence of Long Term Evolution (LTE) systems operating in adjacent channel with Digital Television (DTV) in the 700 MHz band is under invest...

SBrT 2015


Uso dos parâmetros VVGP em sistemas de verificação de locutor baseados em i-vectors

Este trabalho apresenta equacionamento do cálculo do campo magnético em dois cenários típicos para enlaces TTE: meio infinito condutivo e semi-espaço homogên...

SBrT 2015