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Sociedade Brasileira de Telecomunicações

2012 - XXX Simpósio Brasileiro de Telecomunicações



Design and Implementation of Fast Fourier Transform Algorithm in FPGA

This paper shows a design and implementation of a radix-4 FFT in FPGA using a Xilinx Spartan-6. The decimation in time equations are reviewed and in sequen...

SBrT 2012


Um estudo de reticulados obtidos via Construção B

In this work we present a generalization of the so called Construction B of [3] for classes of q-ary codes with q 2 N and also some relations between the C...

SBrT 2012


Ferramenta Computacional para Análise de Antenas Filamentares Utilizando o Metodo dos Momentos

This paper presents the implementation of a computational tool that performs the calculation of the current distribution in wire antennas using the Method o...

SBrT 2012


Decodificação por Apagamento Ponderado Aplicada a Códigos com Proteção Desigual de Erros

This work analyzes, through computer simulations, the effectiveness of the weigthed erasure decoding (WED) algorithm applied to unequal error protection bl...

SBrT 2012


Análise de desempenho do Algoritmo de Water-filling Modificado para Alocação de Recursos em Sistemas OFDMA

The growth of mobile communication systems with high data rate capacity and multiple users is pushing the researches about techniques that presents high spe...

SBrT 2012