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Sociedade Brasileira de Telecomunicações

2012 - XXX Simpósio Brasileiro de Telecomunicações



Feedback Reduction of Spatially Multiplexed MIMO Systems Using Compressive Sensing

In this paper we analyze spatially multiplexed MIMO systems with limited Channel State Information (CSI) and zero forcing (ZF) linear signal detection tech...

SBrT 2012


On the Fading Parameters Characterization of the k-μ Distribution: Measurements and Statistics

This paper presents the results of field trial measurements in order to obtain the probability density functions and the cross-correlation functions of the...

SBrT 2012


Performance Analysis of a 64-QAM Rotated Constellation Subject to Rice Fading

Fading, caused by multipath in wireless communi- cation, can degrade the performance of a digital communication system. A few techniques have been proposed...

SBrT 2012


Analysis of ISDB-Tb Signal Propagation in Indoor Environments

This work presents an analysis of signal propaga- tion in an indoor environment. Three empirical models were implemented: Modified Keenan-Motley, Log-Dista...

SBrT 2012


EXIT chart optimization of Repeat-Accumulate codes for an N-Frequency T-User Multiple Access Channel with noise

In this paper we show how a graph-based system can be designed for an N-FSK T-user multiple access channel with noise. The channel is a frequency selective...

SBrT 2012