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Sociedade Brasileira de Telecomunicações


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


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


A Distance-based Study for Device-to-Device Communication Underlaying a Cellular System

The increasing demand for rich multimedia services and the scarcity of radio resources has motivated the research of technologies able to increase wireless...

SBrT 2012


Adjustments of Log-Distance Path Loss Model for Digital Television in Lima

it is necessary to perform a proper planning for an efficient deployment of new infrastructure for transmission of digital television in countries that hav...

SBrT 2012


Admissible number of users in OFDM/TDMA based wireless systems through loss probability estimation considering multifractal traffic modeling

In this paper, we present an admission control scheme for an OFDM (Orthogonal Frequency-Division Multiplexing)/TDMA(Time Division Multiplexing Access) based ...

SBrT 2012