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Sociedade Brasileira de Telecomunicações


A Performance Analysis of ADMM Applied to Coordinated Beamforming

This paper presents a performance analysis for a centralized solution to the Coordinated Beamforming Optimization Problem (CBOP), that uses an Alternating Di...

SBrT 2017


Aperfeiçoamento de Algoritmo de Desreverberação Utilizando Medidas Perceptuais de Qualidade

Este artigo apresenta um projeto otimizado para um algoritmo de desreverberação de sinais de fala. A otimização é calcada em aspectos perceptuais do efeito...

SBrT 2011


A Pedometer-Based System for Real-time Indoor Tracking on Mobile Devices

This paper describes the implementation and evaluation of a low-cost solution for real-time indoor tracking. It is based on a simple pedometer approach tha...

SBrT 2011


A Packet Distribution Traffic Model for Computer Networks

The traditional traffic models which are based on conventional telephone traffic are not suitable for modeling selfsimilar traffic on computer networks. The...

SBrT 2010


An Upper-Bound on the Ergodic Capacity of Rayleigh-Fading MIMO Channels using Majorization Theory

In this paper, we investigate the ergodic capacity of multiple-input multiple-output (MIMO) wireless communication systems over spatially uncorrelated Rayl...

SBrT 2012