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Sociedade Brasileira de Telecomunicações


A Discussion About Hybrid PLC-Wireless Communication For Smart Grids

This work outlines important characteristics of hybrid PLC-wireless systems for smart grid applications. Moreover, it discusses the hybrid wireless-PLC sys...

SBrT 2016


Adaptive linear predictors in cascade for blind deconvolution of non-stationary and non-minimum-phase channels

Linear prediction plays a fundamental role in digital signal processing due to its interesting theoretical and practical aspects. An important application is...

SBrT 2019


Adaptive Gain Methods to Improve Speech Intelligibility under Reverberation

The reflection of an acoustic signal on walls or objects in an enclosed environment is perceived as reverbera- tion. It is present daily in conference room...

SBrT 2018


Adaptive Beamforming for Antenna Arrays in Cellular Systems Based on a Duality Between Uplink and Downlink Channels

This paper presents a beamforming algorithm for antenna arrays attending to both power and signal-tointerference-plus-noise (SNIR) ratio constraints. The pr...

SBrT 2010


Adaptação do Modelo de Tamir para Predição de Cobertura de Sistemas HF/VHF em Florestas Usando Bases Digitais de Terreno

O modelo de Tamir é uma das poucas abordagens analíticas para o cálculo da perda de percurso de sinais de rádio em florestas, nas faixas de HF ou VHF. Em q...

SBrT 2011