Avaliação do desempenho do sistema M-QAM/OFDM para o canal PLC sob a influência dos ruídos Gaussiano e Impulsivo (Performance Analysis of M-QAM/OFDM Systems for PLC under Gaussiano and Impulsive Noise)

Karine Barbosa Carbonaro (karine@eletrica.ufu.br)1, Gilberto Arantes Carrijo (gilberto@ufu.br)1


1Universidade Federal de Uberlândia

This paper appears in: Revista IEEE América Latina

Publication Date: Jan. 2016
Volume: 14,   Issue: 1 
ISSN: 1548-0992


Abstract:
This paper presents an evaluation of data transmission through M-QAM (Quadrature Amplitude Modulation) and OFDM (Orthogonal Frequency Division Multiplexing) systems under the influence of Gaussian and impulsive noise on channel PLC (Power Line Communication). The goal is the comparative analysis of symbol error probability in cases: only M-QAM modulation and M-QAM/OFDM systems in the presence of Gaussian and impulsive noise. The results obtained show that the value of the symbol error probability increases when data transmission is performed only with M-QAM modulation and decreases when data transmission is performed by the M-QAM system/OFDM.

Index Terms:
PLC, M-QAM, OFDM, Gaussiano and impulsive noise.   


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