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Sociedade Brasileira de Telecomunicações

2012 - XXX Simpósio Brasileiro de Telecomunicações



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


Spectrum Sensing for Powering Power Line Communications

The use of electric grids for communication pur- poses may interfere with radio communication services. To offer new directions to avoid electromagnetic in...

SBrT 2012


Estudo das propriedades dielétricas em microondas da cerâmica BNO (BiNbO 4 ) com adição de ZnO

The objective of this work is to study the microwave dielectric properties of the compound BiNbO4 (BNO) with addition of ZnO and discuss the influence of t...

SBrT 2012


Estudo de Entrelaçadores para Códigos Convolucionais Não-Unicamente Decodificáveis no Canal Aditivo com Dois Usuários Binários

This paper presents a comparative study among distinct classes of interleavers, applied to non-uniquely decodable convolutional code pairs, over a two-user...

SBrT 2012


Application of Dynamic Clustering into CoMP Systems

In the last few years, advanced multi-antenna systems attracted a lot of interest as a means to improve the spectral efficiency of conventional cellular netwo...

SBrT 2012