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Sociedade Brasileira de Telecomunicações


Aircraft PLC Channels Characterization: Initial Discussion

This paper presents a characterization of aircraft power line channels limited in the frequency band 1.7-100 MHz. Analyses of frequency response magnitude, a...

SBrT 2016


Ajuste das Frequências de Ressonâncias de Antenas Patch Retangular pela Técnica de Inserção de Fendas

Neste trabalho é apresentada uma técnica de ajuste da frequência de ressonância da antena tipo patch retangular em microfita. A técnica é baseada na inserç...

SBrT 2015


A Kalman Filter-Based Channel Estimator for Generalized Group-Coherent Codes

In this paper we propose a semiblind algorithm for estimation of MIMO channel adapted for the use of groupcoherent codes. The performance of the proposed a...

SBrT 2012


Algebraic Characterization of the Cost Function for Discrete Transversal Filters

This article deals with the algebraic structure of the real case cost function, present in the analysis of Wiener filters. The correlation written as a dec...

SBrT 2018


Algorithms for Joint Optimization of Link Capacity and Regenerators Placement in Optical Networks

In this paper we compare two different approaches to tackle the regenerator placement and link capacity optimiza- tion joint problem in translucent optical...

SBrT 2012